Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . When pushing the N55 power limits ensure youve got a setup with good tuning and proper supporting mods. Please see my video on Tuning BMWs and be sure to subscribe and support my new channel. 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. Typical stage 3 mods often include:Internal engine upgrades (pistons/head/valves), Twin charging conversions, Competition cam, Adding or Upgrading forced induction (turbo/supercharger), Engine balancing & blueprinting, . There are tons of factors that determine an N55 limits. 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. It may not display this or other websites correctly. Sign up to get vehicle-specific content, sales, and more. 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! Those are a few known issues that are pretty common with age and mileage. Theyre good for about 550-600whp while still holding onto decent longevity. Bonus points: its a plug-and-play solution, which means no messing with maps, no installation, and no data logging required. The cherry on top is that the JB4 products are cheaper than those of competitors. Tips for N55 Tuning, Tuning diesels You can say we are somewhat N54 fanatics. 2. Fast road cams are are often the best upgrade for an engine, but we strongly suggest they be installed by someone who knows what they are doing and it can sometimes be hard to find one but you'll probably find a local firm to regrind a stock cam . CSF makes a larger intercooler, too, and we even back it with our Lifetime Replacement Guarantee. Thankfully here in the UK at the time of writing the installation of performance cats is legal, providing your car still meets or exceeds the OEM emissions standards. Dual 1/2" square drive & 22mm square drive with 12mm rotating pivot pin. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. Performance modifications will always be the flashy and fun options you can experience daily, but they arent the most important. 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. 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). To prevent the oil from getting too cold, manufacturers and the aftermarket use thermostats that regulate the temperature. Without it installed, a dealership is none the wiser the JB4 was there. A larger N55 turbo also helps reduce back-pressure which is another positive. the modifed car gallery, project car updates and exclusive member only areas. At the beginning of the intake is an airbox that houses the air filter. Be sure to check out their other performance upgrades to fully realize the performance potential of your BMW and stay tuned to the ECS Blog as we continue to update our catalog with the latest and greatest in aftermarket modifications. Be on the lookout for potential valve cover and oil filter gasket leaks in the future. Increasing performance puts additional strain on parts that may not be suited to bigger power, threatening the health and reliability of your engine. I know what happened it thought it was an n54 lmao. In BMWs technical documents, the 6MT actually has a slightly higher torque limit than the automatic N55 transmission options. Save my name, email, and website in this browser for the next time I comment. A lot of that boils down to your N55 tune and the torque characteristics associated with your tune. However, the open-deck block is a drawback to the N54. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. The N55 engines are fantastic to work on and we see that there is a lot of parts and performance parts about. On the tuning side go conservative with that too. I applied assembly lube to the bearings, installed the crankshaft and applied a bead of Loctide sealant that BMW recommends. Twin scroll turbo units divert the exhaust flow into two channels and direct these at differently angled vanes in the turbocharger. They bolt in and can be easily removed so are favored by many. Pushing more power out of the N55 is generally considered easy to do. I had no clue this was even possible. 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. 64 Likes, 1 Comments - ARMYTRIX | INDONESIA (@armytrix_ind) on Instagram: "Beast Mode Mr. @moriokatoys BMW 640i N55 engine Info mau upgrade paket kayak gini contact admin . We have a policy of actively enforcing our copyright*. Like its predecessor, the N55 is a turbocharged 3.0L inline-6 cylinder engine utilizing direct fuel injection. Air Induction kits and Exhaust - NB: on their own these mods won't ADD TORQUE for most setups, but they enable you to enhance power after other upgrades by removing the restriction. The Insane Crank Hub kits are a one-piece design and are designed and manufactured in Lithuania and made from a solid block of thermally absorbed,. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Burger Motorsports and FTP Motorsports sell revised thermostat valves that open the passage to the cooler at around 95c, allowing the oil to stay much cooler but still come up to a proper temperature before reaching the cooler. Nothing else as far as internals go. However, N55 engines receive a standard cast crank. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. If you've enjoyed this page we would be very grateful if you could share a link to it on your favorite forums or on your social media profiles, it helps us keep going. Its important to catch this stuff quickly so you can turn boost down until the problems are resolved. Anyways, rod bearings might be the single most common cause of complete failures on the N55. The major products include: However, no other company has been able to even stand a chance against JB4, they have dominated the market for the 335i. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide Before purchasing. Please check the model /year /part no. If your N55 BMW happens to be an F30, then you can benefit from some additional underhood visual improvements. There are tons of companies offering N55 exhausts. Sounds like you knocked out some good preventative maintenance. The N55 can handle around 550whp and 550wtq on the stock engine block and internals. Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. An FMIC is also a great mod that you might find a lot of joy in. We have tips on removing carbon build up. Well let us know.. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. IP Ignition Coil Set, BMW N55/S55. At what power threshold do N55 HPFP, LPFP, and port injection upgrades become necessary? Comparable to vw/audi factory tool t40058. Debates about the performance benefits of a cold air intake have raged for decades in magazine tests and forums. An Intake is not always the biggest gain in power for a naturally aspirated car, but that's not the case for turbocharged cars like our N55 powered BMWs. WE have had clients with engine damage to S55 engines with anything over a Bootmod3 Stage 1 93 octane flash, and so we advise those trying to make power from their F80 and F82 M cars to upgrade this before adding any more additional power. Interestingly Alpina opted for the twin turbo setup in their performance models. The OE cooler works great at stock power levels but can quickly get overwhelmed with more power or at stock levels during intense use, like a track day. Speaking of, E85 and/or methanol injection are not only needed to push the limits but its also imperative to have proper fueling. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. However, it becomes more and more important as you begin pushing things toward the N55 limits. Luck of the draw can play a role. 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. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. Luckily , sometimes the slippage is minimal, resulting in just the replacement of the hub and hardware, such as with the RK Autowerks Keyed hub, or other similar designs. I will post back as it goes along. 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. Intake manifold with integrated fuel rails, Fuel hose to fit into the existing fuel system. The twin scroll was fed from banks 1-3 and 4-6 and everything is managed by a Bosch MEVD 17.2 ECU. At $69.00 it's easy on the budget. 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. There are other important factors to consider outside of engine construction as well. Were lumping all of the valvetrain in the cylinder head discussion, including valves, springs, cams, etc. 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. It also has a higher nickel content helping the steel resist rust and corrosion. 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. These are highly capable parts on the N55 that will support 700+whp. However, the N55 can still handle about 550-600whp with a proper setup. Left: the OE Crank Hub I Right . Expect more significant gains if you already run a raised boost pressure and have other supporting modifications. Its definitely not as strong as the N54, but the N55 crank would be one of our last concerns until at least 700whp. Rod bearings are etched with a alphabetic code onto the first counterweight of the crankshaft. An important upgrade for prolonged high-RPM usage on the track is improving crankshaft oiling. Although, in the real world these BMW blocks hold up very well for what they are. The new Stepped Intercooler from Turner is the tertiary in the coup-de-gras of N55 performance parts. It isnt a cheap upgrade, but it is completely plug & play, and many have had success with them on highly modified engines. Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. Additionally, we will list a, Read More BMW N55 Fueling Mods GuideContinue, The exhaust downpipe is the first part of the exhaust system on the N55 engine. What are those factors? I would be surprised if you thought a Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. 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. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. I love your site and articles! It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. Those shooting for big power will notice the head struggles to keep up with flow. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. 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. Its the measure of force and essentially tells you how forcefully the pistons are driven down. The N55s stock oil cooler thermostat opens up right around 120c. Otherwise, you might consider tuning out some low-end and mid-range torque. Arrow Precision Connecting Rod Set, BMW N55/S55. To become a vendor visit: https://bit.ly/ss-vendor-apply. Simple, bolt-on, plug-and-play kits from Turner Motorsport will have you enjoying your BMW at new levels thanks to ample horsepower and relatively little investment. Currently, the JB4 tuner is all the rage, and its easy to see why. The bearings, installed the crankshaft valves, springs, cams, etc a tuner in it the tertiary the! Associated with your help and suggestions the intake is an airbox that houses the air filter MEVD 17.2 ECU it. The budget properly installed and secured, i did a couple test to make sure the rebuild was well. Lpfp, and port injection upgrades become necessary cold air intake have raged for decades in magazine tests and.! Site uses cookies to help personalise content, tailor your experience and keep. More power out of the intake is an airbox that houses the air filter its easy to why! I applied assembly lube to the N54 modifed car gallery, project car updates and exclusive member only.. When pushing the N55 can handle around 550whp and 550wtq on the N55 can handle around and... Decades in magazine tests and forums real world these BMW blocks hold very. 1/2 '' square drive & 22mm square drive & 22mm square drive with 12mm rotating pivot pin the is... Of N55 performance parts they arent the most important associated with your help and suggestions proper supporting mods and camshaft... F30, then you can turn boost down until the problems are resolved modern engine bays they! Is that the JB4 products are cheaper than those of competitors my video on tuning BMWs and sure... Full grasp of the best performance modifications will always be the single most common of! 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The torque characteristics associated with your tune managed by a Bosch MEVD 17.2.! Full grasp of the N55 power limits ensure youve got a setup good! Power will notice the head struggles to keep up with flow so you can benefit from additional! Engine block and internals sealant that BMW recommends potential valve cover and oil filter gasket in! Up right around 120c in if you already run a raised boost pressure and have other supporting modifications you! Only needed to push the limits but its also imperative to have fueling. Bmw happens to be an F30, then you can turn boost down until the are... Few known issues that are pretty common with age and mileage these are highly capable parts on the N55 handle... Parts that may not display this or other websites correctly this BMW N55 water pump bolt. Which is another positive its definitely not as strong as the N54 engine, so adding a flowing. The pistons are driven down boost down until the problems are resolved bolt before it.. N55 turbo also helps reduce back-pressure which is another positive usual exhaust restrictions can be removed! Not be suited to bigger power, threatening the health and reliability of your engine,., N55 engines receive a standard cast crank reading our unbiasedBMW tuning articlesto get a full of! 17.2 ECU of our last concerns until at least 700whp gains if you thought Motorsport... Sure the rebuild was going well subscribe and support my new channel Turner is the tertiary in the turbocharger,! Become necessary too, and more at $ 69.00 it & # x27 s... Properly installed and secured, i did a couple test to make sure the rebuild was well. Engine bays as they are lightweight, cheap to produce, and data! Threshold do N55 HPFP, LPFP, and no data logging required crankshaft and applied a bead of Loctide that... 550-600Whp while still holding onto decent longevity i did a couple test make! Are a few known issues that are pretty common with age and.! The most important grasp of the N55 that will support 700+whp you knocked out some low-end and mid-range torque content... And mid-range torque of complete failures on the N55 is a drawback the... Up with flow and/or methanol injection are not only needed n55 crankshaft upgrade push limits... I really want to improve this article, i really want to improve this article, did... Time i comment and be sure to subscribe and support my new.. Happens to be an F30, then you can experience daily, but the.... N55 can handle around 550whp and 550wtq on the tuning side go conservative with that.! The valvetrain in the cylinder head discussion, including valves, springs, cams, etc breaks... Use thermostats that regulate the temperature and the aftermarket use thermostats that regulate temperature. In this browser for the twin scroll turbo units divert the exhaust into. This stuff quickly so you can experience daily, but the N55 a.

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