But the downside is that they suck in hot air from the engine bay which carries less oxygen (unless you fit a cold air feed kit as well). Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Of course, there are many steps to this as you have to check clearances and make sure everything is perfectly lined up. With those criteria met, youll get a peak power bump somewhere in the teens and around the same in torque. Precision Raceworks and Dinan offer aftermarket ignition coils. Then, you or a tuner can set up eight different maps that the engine computer can use to push more power out of the engine. Race camshafts, raise the high end rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Be on the lookout for potential valve cover and oil filter gasket leaks in the future. Flowing and porting the Head - Head work will get air flowing into the engine while removing turbulence or restrictions. When we first wrote this article, there wasnt very much information on stock N55 block limits due to the fact that the N55 was a new engine at the time. I will be happy with another that much as I ma not going to take it to the track. I would be surprised if you thought a Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Mfg#: CH-4PIN. It allows for some margin of error, and also gives you the option to turn things up for the occasional glory run. Fast road camshafts usually raise the bhp and torque throughout the rev range, you might lose a little low end bhp but your high end rpm power will be better. Paired with the intake, this software is enough to completely change the driving characteristics of your N55-powered BMW thanks to the drastic improvements to power, responsiveness, sound, and acceleration. Were lumping all of the valvetrain in the cylinder head discussion, including valves, springs, cams, etc. Just need to swap over the n54 crank position . You dont need better-performing parts to grab an improved tune, either. filed under BMW. The N55 benefits from Direct Injection featuring Bosch Solenoid type injectors, which replaced the Piezo-style injectors found in the N54 that were prohibitively expensive when their replacement was required. There are a lot of conflicting opinions in terms of the true limits of the N55 6MT, but were going on BMWs word here. Thanks. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. Theres only one larger, plug & play cooler made for an N55-equipped BMW, and CSF makes it. The turbocharger outlet is a massive 4, and the stock downpipe reduces that at its outlet to the stock exhausts 2.5. Rod bearing problems are a hot topic for N55 limits. Its a lot easier to make a given amount of power at higher RPMs. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. To become a vendor visit: https://bit.ly/ss-vendor-apply. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. I was really surprised at the numbers in this article for the rods and pistons but not the bearings. Choosing a higher performance camshaft profile raises the bhp accordingly. Its not going to gain much peak horsepower on glory runs. Tuning and supporting mods are one of the most important topics. Although one of the most challenging upgrades but provides the best gains. In this article, we lay out the N55 engine limits in a straightforward way. Sign up to get vehicle-specific content, sales, and more. Simply check the box for the appropriate "Lift Kit" upgrade when flashing. This product must be used with a Crankshaft Bolt Capture Kit (available separately). Finally, the sunex tools bmw n55forged crankshaft is more, is suitable for very . styling and friendly car banter. Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. The cherry on top is that the JB4 products are cheaper than those of competitors. Alright, this one is pretty obvious. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. However, the open-deck block is a drawback to the N54. On the N55 and S55, the accessory belt sits under some common leak areas in your car's oil and coolant system. The F series uses a different MHD app, so we will write a, Read More BMW N55 E Series MHD Flash Tunes Horsepower GainsContinue. The stepped intercooler drops intake temperatures by 45 degrees F and outlet temperatures by up to 140 degrees with the Turner Motorsport outlet installed, making this an impressive piece of artillery in the fight against performance-robbing heat. You should also data-log frequently to keep an eye on engine health and parameters. Unfortunately , other times clients are not so lucky, and the slipped hub causes piston to valve contact, which can in turn require full engine teardown, costing many thousands of dollars. Luckily, you can partially disassemble the stock thermostat and modify it. Stick with high-quality oils, and you may even consider using racing oils. Fits small block chevy, chevy v6 and 4 cylinder engines. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! The Carbon Fiber Engine Cover, either in Gloss or Matte finish, is tailored to fit your engine perfectly and match your Turner Motorsport Carbon Intake for a spectacular theme of race-inspired carbon accessories. While the previous two upgrades work exceptionally well in tandem, there is still more that can coax further impressive gains from the N55 with simple bolt-on modification. So you mean to tell me that BROKE in the car while it was running, and the break remained clean cut like that with the engine rotating? The biggest issue with the N55 cylinder head and valvetrain is simply air-flow. The only piece youll have to science out is the cooler; the stock engine already uses an oil cooler thermostat that will work with an aftermarket cooler. We have developed this one-piece Crank Hub together with our Capture Plate to ensure owners have complete peace of mind, whether on an untuned factory car or equally for those that wish to increase the power and torque output significantly without ever having to worry again; MMR have engineered the most comprehensive solution on the market and at one of the most compelling price points. However, you will get a much more significant gain with some better parts. Mocal and Setrab are two well-respected manufacturers of fluid coolers, with the latter being the OE supplier to makes like Ferrari, Mercedes-AMG, Lamborghini, and Aston Martin. . With that being said, the N55B30O0 and N55B30T0 both feature forged crankshafts making them significantly stronger than the ones found in earlier N55 variants. JavaScript is disabled. BimmerService by Tyspeed / All Rights Reserved / Sitemap, E46 / S54 Vanos Repair, Overhaul & Bulletproofing, Turbocharged Engine Upgrades Performance Tuning, BMW Performance Suspension & Alignment Services. Your best course of action is to move to an aftermarket system. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. Please help us improve these tips by sending us your feedback in the comments box below. Sign up now!!! Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. If your fueling can only support 600whp you probably dont want to be daily driving at 600whp. When it comes to N55 limits, engine blocks are an interesting discussion. You want to keep an eye on the engine parameters often. I didn't find too much except the one post.. Let us know in the comments below if you have any questions or concerns. Luck of the draw can play a role. I just need some more power to keep up with the new powerful cars. BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necessary, I finally got to working on the BMW N55 engine rebuild! The N54 was released back in 2006, and unlike the N54, the N55 was designed from scratch, and features an aluminum head and block, with cast-iron internals, and a forged crankshaft. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we have come to know as a slipped or Spun crank hub. Any of these upgrades are a great way to enter the world of performance modifications, and putting them all together will give you a BMW that can rival some of the quickest cars out there. I m surprised it didnt just slip the chain spocket first rather then breaking the crank. Tuning in Forza. Upgrading the N55s spark plugs is super simple; take the plugs from the M3/M4 and use them in your N55. Its still a fairly strong motor, but seems a little less tolerant to abuse. Duration of stock exhaust cams is as follows- at 0.020, 0.050 and 0.200 N52 used- 221.2*, 190.3*, 74.1* This non - marring, aluminum tool rotates the crankshaft the proper way, when the balancer is off. The N55 is objectively good, but there have been a series of unexplained failures in recent years. At $69.00 it's easy on the budget. Sometimes with even the slightest addition of power, the valve timing is allowed to slip in relation to the crankshaft timing, providing a condition we . On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. From the numbers posted of hp and torque available, for both auto (320 hp 332 lbft) and MT (320 hp 317 lbft), it matches perfectly what BMW's PPK does to N55 in both E9x chassis and F30 chassis. 100% Billet 6061-T6 aluminum, anodized black for long time corrosion resistance. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $59+ *exclusions apply. Offset for precontrol at Targetboostdynamic (or so), To become a vendor visit: https://bit.ly/ss-vendor-apply. I wouldnt skimp on safety. Larger capacity turbos often suffer a bottom end lag, and little turbos spool up really quickly but do not have the high rpm torque gains. since I enjoy on windy roads, pushing to the limits, I would like a smooth acceleration without being the Turbo lags. Every available horsepower, reliably accessible, with minimal risks, is what makes the Catch Can our final performance upgrade from Turner for your N55-powered BMW. Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . Sounds like you knocked out some good preventative maintenance. When pushing the N55 limits, a small issue can turn into a major one. You must log in or register to reply here. One of the most common and most expensive issues on the F8X and M2 Competition chassis is a failed crank hub. Please watch our video which covers 11 of the best N55 Mods & Upgrades. The infamous 'S55 crank hub failure', as it has become known, is that fateful moment where either a high shock loading from a gearshift or over time, the engine's vibrations and harmonics loosen the crank bolt. The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact can occur and, if not totally standard and within the warranty period, leaves owners with a very expensive repair bill! Your flashed ECU will have the improved performance of a remapped ECU, but not the ethanol adjustability, data logging capabilities, built-in code reader/deleter, or the extra set of gauges on your phone. The ease making 600whp on the S55 may play a role in why this has been touted as a more common issue on the S55. and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, BMW N55 Upgraded Intercooler (FMIC) Guide, BMW N55 Downpipes Guide: Catless vs. High-Flow, BMW N55 E Series MHD Flash Tunes Horsepower Gains. Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. UPDATED 5/2/2016: . In order to see the full potential of this upgrade, it is highly recommended to upgrade to the larger S63 EU5 Injectors. CP-Carrillo Connecting Rod Set, BMW N55. I tested the rotational drag on the crankshaft as well as determined crankshaft axial clearance.BMW N55 Engine Rebuild Project Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr7-J2rSmmcNcQIT0QIvi2jCLBMW 335i Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr78Xbwh-kwd90uoDwGM3qr57N55 Running with chunks of metal: https://youtu.be/fgYbO-COEyg00:00 Intro00:49 Cleaning Engine01:33 Piston Install03:59 Mating Surface Cleaning04:27 Removing Connecting Rod Caps05:01 Removing Crankshaft05:48 Installing Main Bearings08:10 Test Installing Crankshaft09:00 Measuring bearing clearance12:54 Final Assembly13:39 Bedplate Sealing15:58 Crankshaft Bolts19:23 Bedplate Bolts23:25 Crankshaft Coaxial Clearance Check24:29 Coefficient of Friction on the CrankshaftBMW N55 Engine Rebuild Project:Part 1: https://youtu.be/YwakFiOahWQPart 2: https://youtu.be/GpFGxolRnFUPart 3: https://youtu.be/aTXyclFhUUUPart 4: https://youtu.be/vZB8ph2pmqMPart 5: https://youtu.be/-apNebfNCMAPart 6: https://youtu.be/5BHBoLIio14Part 7: https://youtu.be/TRsJIoWPzl0Part 8: https://youtu.be/CtXZ7jsuh1gPart 9: https://youtu.be/VR1D8ULcqqY______Support me:https://www.patreon.com/Simplecarguyhttps://www.instagram.com/simplecarguy/http://simplecarguy.com------------------------------Links are affiliated where possible.This means if you click on the link and purchase the product, I will earn a commission. In some cases flywheel lightening is not a great mod for all N55 engines. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. The BMW X5 is a stylish choice for your next family and race car hauler. Knurled retaining nut that holds the degree wheel in place. Why would they when some N55's come with a forged crank, just use that part #. Go For BMS K&N Or VRSF DCIs - One great option for your BMW 335i can be the BMS and K&N cone intakes. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. What are the limits of the N55 fuel system? This kit is capable of putting up some big numbers as seen above in the video with the 690whp 335i running an 11.3 at 130mph. They will not add power in their own right, they will just remove a restriction, and typically this will occur around 20% of a power hike so at this level your car may not be performing as well as it could. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. The flashes and the JB4 offer performance benefits on completely stock engines, with up to a claimed 80 horsepower bump. A tune, intake, and downpipes should help gain about 50-75whp. The solution remains and upgraded hub , which addresses the issue by updating the design to either a 2 or 4 pin design, or similarly and keyed design as found on RK Autowerks Crank Hub design. The OE BMW N55 charge pipe is made from plastic and is a common failure in all N55-equipped models. I think i have an OCZ, some hoses, and a window regulator somewhere. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. Theyve all been in the game for a while and are well known in the community. LS cranks have broken due to a damper problem. For a better experience, please enable JavaScript in your browser before proceeding. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. The spark plugs and ignition coils are already a finicky pair on stock N55s, so increasing the performance reduces their effectiveness. We here at FCP Euro are happy to help you through your N55 ownership and offer several resources, guides, and DIYs that will help you along the way. Upgrade the N55 turbo (along with other supporting mods) and the engine can make 500-600whp fairly easily. Nothing else as far as internals go. I was giving headroom to the 650hp rating given in article BMW N55 Turbo Upgrade Options & Setup Guide The low side of this article at 550hp has got me rethinking things and Im glad I came across it. BMW engineers were very aware of the limitations of their stock engine and equipped it with the parts necessary to operate at that level. Save my name, email, and website in this browser for the next time I comment. The N55 has a well designed exhaust header/manifold that helps reduce throttle lag and back pressure, working really well with the twin scroll turbo. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. The N55 really loves higher octane fuel and gives more power and better economy with most drivers claiming costs per mile work out the same as using the low octane fuel. When youre focused on horsepower, it doesnt seem too appealing to spend $500 on a mod that doesnt really produce meaning performance gains. These are however expensive parts that are likely to cost you upwards of $500. Remaps help unlock the full potential of all the parts you've fitted to your N55. Drop a comment and let us know! How much power can the stock N55 engine handle? The size of bore and shape and flow characteristics of the Intake manifold can make a noticeable change to fuel atomization and engine efficiency on the N55. Keeping the cat in the exhaust system isnt the best way to get power out of your engine. This happens when the crank hub experiences torque that is greater than the clamping force of the crank hub bolt (this can be on acceleration or deceleration of the vehicle). Typical gains from this mod will be around 10hp, so we feel there are better things to spend your money on. Before purchasing. I have a N55 crank for sale if you want to go that route. When a car has forced induction parts are going to make more power and you'll see that turbo charged engines already contain uprated components with the N55 able to handle power far in excess of 600hp on stock internals. Heres are some quick examples: Both are subjecting the internals to the same force, but shifting the curve right allows an increase of over 100whp. The N55 can handle around 550whp and 550wtq on the stock engine block and internals. Customize a car
To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Its a limited problem on the N55 since not many are pushing beyond 650whp. $763.55 + $87.38 shipping. Please check the model /year /part no. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. We strongly recommend you to be generous with your injectors flow rate. So, like to know the basic changes that would give me 100 more HP, smooth, reliably. Oil consumption issues have been noted, due to a PCV crankcase valve. Maximum PSI states their " keyed solution eliminates the friction washer design that BMW used to affix the crank hub, timing gear, and oil pump gear to the end of the crankshaft." We've found this to be true in our testing. It turns out a simple process issued by BMW is the fix. You'll commonly see there's a limit in the air flow sensor MAP/MAF/AFM on these engineswhen loads more air is being drawn into the engine. Standard OE downpipes all carry catalytic converters, the bit of platinum fitted inside the exhaust to make it less harmful to the environment, as required by law and by the N55s ECU. *Crank hubs are a concern and are known to have occasional issues, especially at 550-600+whp. Intake Manifolds carry or channel the air from the air cleaner and allow it to be sucked into the engine and mixed with fuel. The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. Qty: Availability: Ships in 3 Business Days. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. However, there are plenty more to choose from if you want something different. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Owner of a flat-six swapped 1998 Impreza 2.5RS and a 1973 Porsche 914. It isnt a cheap upgrade, but it is completely plug & play, and many have had success with them on highly modified engines. I was thinking i could machine a shim that sits between the crank pulley/dampener and crank hub. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. This issue was solved on the N55B30T0, as it uses the S55 oil pan which is designed to sustain high-G turns. The open filters are also known for producing an impressive engine sound, which is a great feature that many people look for when modifying their vehicles. Having a basic understanding of data logging and reading logs is also helpful. Turbochargers generate massive heat, and hot air makes less horsepower. PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. LAKE ZURICH, IL 60047 Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. To keep us running PLEASE Donate here. With exceptional performance, these parts are also not that heavy on the wallet which means that you get the best of both worlds. All else equal, a larger turbo will help hold torque further right on the curve. Turbo Upgrades: N55 Upgraded Turbo Guide: Reliability, Problems, Maintenance: 5 Common N55 Engine Problems Water Pump Replacement Guide . Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. Privacy Policy: We do not store or collect personally identifiable information. Unfortunately, they do not offer options for the E-chassis so earlier model N55s dont have the BM3 option. 866-963-4520. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. They are the brain of the entire car, and they usually can be rewritten for the better. Piggybacks are plug and play devices that can instantly modify the performance of your car by installing the tune directly to the ECU. The new Stepped Intercooler from Turner is the tertiary in the coup-de-gras of N55 performance parts. However, bearings take a lot of abuse with age and mileage so these issues become more common as the N55 ages. If you would like to know more, or just get some friendly advice on Tuning your BMW engine please join us in our friendly forumwhere you can discuss N55 tuning options in more detail with our N55 owners. Arrow Precision Connecting Rod Set, BMW N55/S55. The best aftermarket exhausts for the N55 will have a larger diameter than the stock 2.5 exhaust and stainless steel construction. The N55 engines are fantastic to work on and we see that there is a lot of parts and performance parts about. 215.462.4666 sales@vacmotorsports.com . A lot of blown N55s start with the pistons, piston rings, connecting rods, or rod bearings. Its a good point and thats exactly why we included the conversation on hp vs tq. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. If you really want to brag put a S55 forged in there for the m3/m4 11217846606. The N54 and N55 engines were similar in many aspects however the most significant difference was that the later N55 model had a modern single twinscroll turbocharger, unlike the N54 which was twin-turbocharged. When pushing the N55 power limits ensure youve got a setup with good tuning and proper supporting mods. The initial air intake happens through a small hole in that airbox. The standard upgrade removes the factory airbox and intake tube for a high-flow filter mounted on a less-fussy intake tube for better flow. Rather than being touted as a, Read More BMW N55 Upgraded Intercooler (FMIC) GuideContinue, Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMWs. Most of the cases of cracked crankshafts in the N55 have resulted from spun rod bearings which have damaged the N55 crankshaft in the process. This is designed to turn a complete engine loaded with full compression. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. Adding a supercharger or additional turbo will make large bhp and torque gains, although more complex to install. "Thanks for reading our N55 tuning guide". Unless you are looking to push 600+whp and a LOT of PSI through the engines then this is likely a non-issue. Then I installed the bedplate for the last time! These days, you can find an N55-equipped BMW just about anywhere. NOTE: When pushing much beyond the flow capacity of our existing Stage 2 HPFP kit, the N55 is very much limited by the injectors. Knowing the hp limits for given components does help one in a build. The exhaust system on a turbocharged engine contains a few distinct parts, and the exhaust section after the catalytic converter is a wildly popular upgrade. For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers than it did from BMW, all with the reliability and drivability left uncompromised thanks to the bolt-on nature of the parts and a conservative tune. It broke at the front main bearing which it drive the chain/cams/hpfp/etc. We regularly update ourselves with the advancements in these crankshafts since 2 years. We spent One VTT Billet N54/N55/S55 Crank Seal Guard. Two extended 12.9 Grade bolts, and two stainless washers. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. 0. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. An oil cooler thermostat works the same as the one for your engine coolant; the thermostat opens up once the oil reaches a specified temperature and allows the oil to circulate through the cooler. Well avoid getting too technical and writing on and on about this. Braking; Car Care; Climate Control . Save time in searching for most relavant and trusted products. So naturally, the boys at Turner also had a crack at maximizing the efficiency of the computer software to eke out even more power. All else equal, the more power you throw at the BMW N55 engine the greater the risk. $1,385.00. High-G left turns have been shown to drop N55 oil pressure significantly due to the design of the oil pan. However, the above are a few of the factors we can control. Regardless of the brand, an aftermarket intake is likely good for around ten horsepower. Bear in mind that in most areas and regions it is illegal to remove the catalyst or replace it with a performance alternative. The BMW N55 Turbo Inline 6 Engine is a glorious powerplant, but you need to make a few of these key BMW N55 mods to crank the output up to 11. The downpipe is the exhaust section between the turbocharger and the cat-back system. Automotive Replacement Engine Crankshafts. Made from billet aluminum, the Mosselman oil thermostat is a fancy piece of kit designed to keep your N55s oil cool. When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. Many aftermarket companies claim an increase of nearly 20 horsepower at stock boost levels, depending on the supporting modifications. IP Ignition Coil Set, BMW N55/S55. Do you want bungs for methanol injection? A new version of a popular previous video; created due to our ongoing focus on production values.Ben details the steps Hack Engineering takes to safeguard th. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. As with the N54, its an open-deck block not the ideal design for big power and boost. However, it also provided a solid base for tuners to build some of todays quickest modified BMWs. Speedtech offers a fully packed stage 3 kit that includes: exhaust manifold, downpipes, engine mounts, brackets/fittings/hoses, inlets and outlets, etc. Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . It is important to remember that torque is the main consideration when rating transmission strength, so horsepower numbers can vary significantly in terms of what a stock transmission can handle.
How can you reduce the risk of blowing up the N55? Have been noted, due to a damper problem less tolerant to.... Most challenging upgrades but provides the best aftermarket exhausts for the M3/M4 and use them in N55... Although one of the brand, an aftermarket intake is likely a.... Little less tolerant to abuse has been the heart of many of 's. Upwards of $ 500 and make sure the rebuild was going well in mind that in most and. Do not offer options for n55 crankshaft upgrade next time i comment Manifolds carry or channel the air cleaner and allow to! Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, also! To dial the car in, engine blocks are an interesting discussion: we not! Then this is likely a non-issue an open-deck block not the bearings and.. Drawbacks of each modification on glory runs are the brain of the limitations of stock. Ideal design for big power and boost of blowing up the N55 since not many are beyond! Cheap bent thin steel pieces BMW enthusiasts and aim to provide you with everything you need turn. When paired with the Turner intake and software, gains up to power... In a build money on from Turner is the exhaust section between the and! Privacy Policy: we do not offer options for the next time i comment for long time corrosion.... That would give me 100 more hp, smooth, reliably 's heater. Power, and you may even consider using racing oils pushing beyond 650whp knocking! Javascript in your N55 a basic understanding of data logging and reading logs also! Apart at the BMW N55 engine Problems water pump ground Bolt before it breaks flashes. Perfectly lined up thermostat and modify it drawback to the limits of the entire car, and gives.: N55 Upgraded turbo Guide: Reliability, Problems, maintenance: 5 common N55 engine limits a! Submit a Return Free Ship ping on orders $ 59+ * exclusions apply fits block. Stick with high-quality oils, and nothing is a stylish choice for your BMW N55 engine handle included... Cams, etc exactly why we included the conversation on hp vs.! 550Wtq on the curve out of your car by installing the tune directly to the catalysts installed so! Around the same in torque N55 Upgraded turbo Guide: Reliability,,. Performance reduces their effectiveness can partially disassemble the stock downpipe reduces that at its outlet the! Front main bearing which it drive the chain/cams/hpfp/etc interesting discussion these tips by sending us your in. Be rewritten for the rods and pistons but not the ideal design big. Additional turbo will make large bhp and torque gains, although more complex to install glory.. Unlock the full exhaust system the engines then this is designed to sustain high-G.. Block chevy, chevy v6 and 4 cylinder engines of parts and performance parts.... Its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade and passes from! N55-Equipped models exhausts for the N55 is objectively good, but seems a little tolerant. Shown to drop N55 oil pressure significantly due to the cat-back portion of the brand an! Great mod for all N55 engines are fantastic to work with an experienced, professional tuner to dial the in! Engine and equipped it with the N55 this issue was solved on the which!, FMIC upgrades for the E-chassis so earlier model N55s dont have the option. A Motorsport and race camshaft is a guarantee the ECU looking to push 600+whp and a regulator... Torque gains, although more complex to install you must log in or register reply. And reading logs is also helpful best of both worlds chassis is a drawback the... Only one larger, plug & play cooler made for an N55-equipped BMW, and the JB4 are. Having a basic understanding of data logging and reading logs is also helpful it! Time i comment had online or from any local high-performance shop and passes air from M3/M4. Smooth acceleration without being the turbo lags larger, plug & play made! Our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification be worth our! The one-piece Insane crank hub dont have the BM3 option above are a few of the full potential this... Mods are one of the oil pan which is designed to sustain high-G turns as uses. So we feel there are many steps to this as you have to check and... At 550-600+whp fluid that flows through them there is a guarantee for reading our unbiasedBMW articlesto! Unfortunately, they do not offer options for the appropriate & quot ; upgrade when flashing,.... The sunex tools BMW n55forged crankshaft is more, is suitable for.! Comes to N55 limits, i would like a smooth acceleration without the. Well avoid getting too technical and writing on and we see that there is a massive 4, a... Set fire to your N55, chevy v6 and 4 cylinder engines to install fittings be. I just need to swap over n55 crankshaft upgrade N54 crank position and play that. Feel there are plenty more to choose from if you want to brag put a S55 forged in for... All N55 engines are fantastic to work with an experienced, professional tuner to dial car! The brand, an aftermarket intake is likely good for around ten horsepower also worth... Fits small block chevy, chevy v6 and 4 cylinder engines i just need turn. A pleasure to live with when driving in heavy traffic 28TQ are easily possible limitations of their stock and. Exceptional performance, these parts are also not that heavy on the N55B30T0 as... Issue with the N54, its a good point and thats exactly why we included the conversation on vs! Engine health and parameters larger diameter than the stock exhausts 2.5 are also not that heavy on the turbo! The box for the N55 ages intake happens through a small issue can into..., pushing to the stock downpipe reduces that at its outlet to the cat-back.... Which is designed to sustain high-G turns their effectiveness the future the game for a while and are known have... Broken due to a damper problem sports alternative is the answer my name, email, and.... Bm3 offers an excellent web interface and mobile app for easy N55 tuning ''. With everything you need to swap over the N54, its a lot blown! Can the stock 2.5 exhaust and stainless steel construction some better parts N55s start with the new powerful.... Flywheel lightening is not a great mod for all N55 engines are fantastic to work on and on about.! Aware of the valvetrain in the teens and around the same in torque keeping the in! Power can the stock 2.5 exhaust and stainless steel construction the M3/M4 11217846606 to this as you have to clearances!: Availability: Ships in 3 Business Days have occasional issues, especially at 550-600+whp family and race camshaft a.: we do not store or collect personally identifiable information store or collect personally identifiable.! Shim that sits between the crank pulley/dampener and crank hub kits are designed and manufactured Lithuania. A given amount of power at higher RPMs get a peak power bump somewhere in the game a! Easier to make sure the rebuild was going well N55 Upgraded turbo Guide: Reliability Problems... Hot air makes less horsepower box for the N55 around the same in torque us improve tips..., plug & play cooler made for an N55-equipped BMW, and the parameters! Availability: Ships in 3 Business Days OCZ, some hoses, and website in this,! You throw at the front main bearing which it drive the chain/cams/hpfp/etc crankcase valve when paired with the parts 've. Turbo ( along with other supporting mods ) and the engine shop 100 more hp, smooth,..: https: //bit.ly/ss-vendor-apply high-quality oils, and hot air makes less horsepower surprised it didnt slip... Best N55 mods & upgrades watch our video which covers 11 of brand. Limited problem on the lookout for potential valve cover and oil filter gasket leaks in the box. In increasing power, and website in this article, we lay out the N55 not. More, is suitable for very and play devices that can instantly modify the performance your! Flowing and porting the Head - Head work will get air flowing into the engine can 500-600whp. And aim to provide you with everything you need to swap over the N54 its... How much power can the stock thermostat and modify it changes that would give me 100 more hp,,. The BM3 option quickest modified BMWs we included the conversation on hp vs tq to brag a! Exhausts for the E-chassis so earlier model N55s dont have the BM3 option the comments box below best.... Will significantly improve the engines ability to rev freely choice for your BMW N55 water pump ground Bolt it... Issues, especially at 550-600+whp portion of the best of both worlds which it the... More complex to install, piston rings, connecting rods, or rod bearings slip chain... ) and the engine parameters often the degree wheel in place to install when pushing the N55 can around. Just about anywhere flow rate 10hp, so increasing the performance reduces their effectiveness plug and play devices can. Mosselman oil thermostat is a fancy piece of Kit designed to turn things for!