_____ See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. In this section were considering all charge pipes, FMIC, boost solenoids, boost leaks, turbos themselves, etc. The entire cooling system can be problematic. If you install the ICA straight-up, the LSA will be equal to the ICA. If you're working with an engine that won't start and you can't get it up to operating temperature, you can add a drop of oil into each cylinder before performing a compression test. The 30FF BMW fault code is one you do not want to see on your BMW. My 135i is a 2008, and ever since I bought it I had noticed the pixel display on the BMW head unit and radio would fade in and out sometimes. The difference on your compression test reading can vary by the schrader valves pressure rating. Who would have thought it would be off by that much Super post. You are using an out of date browser. This website uses cookies to improve your experience while you navigate through the website. Most of the fastest N54s feature fully built motors and a modification list that will run you well over $50,000. What are the limits on the N54 block, pistons, rods, etc? 847WHP + 726TQ - Vargas Twin-Turbo N54 on 25.4psi. Item model number 4332 : Manufacturer Part Number LAS4332 : Additional Information. Consider turbo upgrades if you find yourself in this position. The N54 can also hang with owners wanting even more power. An aluminum open-deck block is far from ideal for high power and boost. 1: 175 2: 170 3: 170 4: 170 5: 170 6: 157 These cookies track visitors across websites and collect information to provide customized ads. The 2011 1M, 2011-2013 335is, and 2009-2016 Z4 continued using the older N54. It does not store any personal data. Truly severe problems like internals or timing chains are rare. Drives: Car. N54 might never reach the status the 2JZ has gained over the years, but with the single turbo N54s being built, we shall see! Be sure to use a torque wrench to install the new one. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '95a320c9-3296-4e09-83b0-65ae33cb818e', {"useNewLoader":"true","region":"na1"}); Gareth Foley is ourBMWCatalog Manager here at FCP Euro. What is a good compression ratio for Turbo? Poor compression can also have an effect on engine performance inregards to the balance of poweracross each cylinder. No upgrades exist as far as were aware, and none have ever failed on their own (rod bearings can ruin the crank if they go bad, though). sensors sometimes fail with that kind of age. If you have read our 500hp N54 guide, you know that you can achieve a 500hp N54 for a mere $1,500well at that price tag you will be landing 500hp at the crankand more like 450hp to the wheels. It should be noted that other NG6 engines use an aluminum-magnesium construction, while the N54 uses a standard aluminum block. You must log in or register to reply here. As a rule, most engines should have 140 to 160 lbs. A tune is the foundation to making more power with the 3.0 inline-6 twin turbo engine. Let us know in the comments below. Assuming the engine does not have serious underlying issues, 500WHP is practically nothing to the N54, especially with E85 mixtures. So I understood ( for daily driving ) 10.2:1. If you're working with an engine that won't start and you can't get it up to operating temperature, you can add a drop of oil into each cylinder before performing a compression test. The fuel injectors are also known for being veryproblematic. We are hoping to soon add an F80 M3 and F82 M4 GTS. interesting to see how long the stock turbos, engine and gearbox will last with 500whp. The n54 is awesome but problematic. They still fail sometimes, but its far far less an issue then in the early days. BMW Make Level Marketer for FCP Euro and has been with the company since 2012. You can say we are somewhat N54 fanatics. Fits every turbo and intercooler that are compatible with the OEM outlet. Thanks. However, the original 3.0L inline-6 remains in some premium performance cars. On top of this,this makes itextremely simple to move the compression tester from cylinder to cylinder. Those awards were issued back when the engine was new and the problems we justmentioned were so common, but it still goes to show how good the N54 really is. Dont miss our detailed guide on the 8 most common N54 problems. Its an impressive accomplishment for what it is on paper. Both the compression test and the leak-down test are complementary to one another and should becompleted togethergive you the complete picture. Usually we see 170-180psi after 5-7 cranks @ sea level. Its also time to consider extensive and expensive upgrades like a built motor. Mine was at 25 psi which makes me question the results. For example, a $50 oil pan gasket can run about $600-1,000 in labor. I am sure he has run compression tests on more than few motors. Buy Laser 4332 Compression Test Adaptor: Windshield Wipers & Washers . The Fora platform includes forum software by XenForo. Most new engines in good condition compress at around 175 psi. Then theres the basic maintenance stuff on high mileage models. Pistons are cast yet remain pretty strong. The N54 can and often does last 200,000+ miles if youre willing to spend enough money. Its especially true at 120,000+ miles. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. His experience as an enthusiast, combined with his technical knowledge, makes him an essential resource for anyone looking to improve the performance of their BMW. BMW initially launched the N54 in the E9x platform, but it quickly spread throughout the BMW lineup. The valvetrain doesnt run into problems. Once you ditch the stock turbos for a big single turbocharger and upgrade the fuel system, you can reliably push the N54 to 700whp. You want to ensure that the air supply gauge remains steady as any drop in air supply pressure can skew the results. We are not trying to claim the N54 is better than the 2JZ, but we are attempting to point out the 2JZ is not as good as they have made it out to be on the internet. Dont let the cheap price to purchase up-front fool you. Then you have an easy reference that you can go back to later. It varies on a case-by-case basis, but well do our best to give a general ballpark. If all cylinders show low pressure (less than 100 psi) and the wet test does not make a difference engine timing may be off check belt/chain and other timing system components. Not good. Going to a repair shop can make the N54 expensive to own. BMW's marketed the twin-turbo as "TwinPower Turbo",[10]although the term has since been used for engines which have a single twin-scroll turbocharger. If you ever want to know where you stand in terms ofthe overall health of your engine, a compression check is the first place to start. Head gasket failure in the N54 is kinda rare. Let alone on a stock or basic bolt-on upgrades only N54. A tune is the foundation. However, 600whp on quick spooling twin turbos is a different story. BMW used an electronic water pump on the N54 and while electronic water pumps have plenty of benefits, they also fail more often than traditional water pumps. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Not a huge deal if you plan to upgrade anyways. Check these out to see just how in-depth we go to make them. The lower reading from the "China" tester doesn't mean it wasn't accurate. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Zach is a BMW enthusiast with a passion for performance. I have some data to add to this thread, regarding different compression testers. It can be reliable with the right maintenance, mods, and upgrades. We specify torque as its much tougher on the transmission than power alone. It blows white smoke and misfires of multiple cylinders. This is the only automatic transmission featured on this listwhile the manual transmissions can handle much more HP, 500whp wont break your automatic transmission. Made from aircraft grade aluminum to ensure reliability. You need to remember BMW wasnt aiming to produce a crazy high horsepower legendary engine when they developed the N54, they were just developing a solid turbocharged engine for their luxury cars. My case is likely an anomoly, however, this is an example that the stock turbos can let go at any time in the 20+PSI range. Its received numerous International Engine of the Year awards and had thrice won the Wards 10 Best Engine Award. The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. Low compression in one cylinder usually indicates a bad exhaust valve. A lot of the stuff around the engine is problematic, but the actual engine itself isnt a major concern. A lot of this is either basic maintenance at high mileage or less common failures. All in all, this is a very fun, useable build for daily driving or weekend cruises. - You are limited in achieving engine tuning power gains ( max 400hp @ crank, my estimation and my goal ) 9.4:1. The N54 is part of the NG6 BMW engine family. Bringing the BMW community together. However, that didnt stop the N54 from becoming a legendary performance and tuning engine. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. An N54 that already has index 11 or 12 (12 in a perfect world) is a HUGE find. No such issues after flashing. Jake has 10 years of experience maintaining, repairing, and upgrading his BMWs. The BMW X5 is a stylish choice for your next family and race car hauler. Counting how many spark plugs you see on your engine will , The coupe has a better center of gravity and is slightly lower so with completely equal drivers it will slightly and I mean slightly out handle the sedan but with everyday drivers you will never , The main difference between tail lights and brake lights is that the former lights up as soon as the headlights are turned on, while the latter only engages upon stepping on the brake pedal. However, for tuning purposes,, Read More Diagnosing a Failing BMW VANOS System When to Repair Your BMW VANOSContinue, Why Upgrade my N54 Downpipes? Data to add to this thread, regarding different compression testers 10 years experience... N54 problems compression test reading can vary by the schrader valves pressure rating have to. Can also hang with owners wanting even more power China '' tester does n't mean it was accurate! Going to a repair shop can make the N54 block, pistons, rods,.. Choice for your next family and race car hauler detailed guide on the transmission than power alone while you through. Driving ) 10.2:1 failure in the early days pan gasket can run about $ 600-1,000 in labor Winter Kit is. F80 M3 and F82 M4 GTS spend enough money with owners wanting even more power with the company since.. All of our kits these out to see how long the stock turbos, engine gearbox... The wealthiest enthusiasts spent their money on to get the car of their dreams back in the E9x,. In the 80s Part of the Year awards and had thrice won the Wards best... The compression tester from cylinder to cylinder the N54 n54 compression numbers, pistons, rods, etc are complementary one! 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada, 2011-2013,... With a passion for performance - Vargas Twin-Turbo N54 on 25.4psi with a fantastic offer on all of our.... 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