Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! Leaking B58 oil filter housing gaskets can cause significant oil leaks and other related issues, so it really is better to stick with OEM BMW hardware. Count the 2020 M340i as the tenth official long-term test subject of the 3-series kind. Just a question of how the other internals fare. I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. This post is a little outdated as the B58 has come a long way since we wrote this post. Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. Hi mate,thanks for your reply. However, this may not be necessary in most cases. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. *Valve cover gasket should be replaced any time the valve cover is removed. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Be on the look-out for more of these issues to pop up in the coming years. [/QUOTE]. Happy I stumbled on this website and will definitely be reading more. Additionally, it receives the forged crank and rods as with the N54. It basically has a more aggressive tune from the factory. BMW replaced it under warranty as one would expect. B58 to N55 Comparison. It does not have signs of issues with any of its internal components. When compared head-to-head, the B58 has shown to have less issues than the N55. B58 engine reliability BMW engineers were able to resolve the main issues with the engines that preceded the B58, including: Updating the fuel system Modernizing the cylinder head They fixed issues with the particulate filters A fresh design for the timing chain The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. Maybe FORD forums are for you? Certain G series models began receiving the updated B58TU1 in 2019. With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. Heat capacity for water / glycol is TREMENDOUS, yet metal to water heat exchange is pretty crap and you cant put fins in engine block cooling channel. Due to the complexity of turbocharged engines, which introduce additional pressure into the equation, modern PCV systems are more advanced than a simple pressure relief bore through the block. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. Still a sound improvement for the B58. Automotive Performance, Tuning, & Modification. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. BMW tech found low coolant on the low pressure side. Injectors are getting loud again at 200k so its time to replace them. Also there is a good argument to buying into issues that you know rather than fooling your self that everything is perfectly OK with the car when you buy it. I liked the n55, but the f10 wasnt the right platform for it, too heavy too wallowy. Its combination of attributes has no equal among six-cylinder engines on the market. I add small amount of coolant from time to time, but nothing crazy. Merry Xmas all from Chris in Canberra, Australia! Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. Injector failures and leaks can cause rough idle and performance issues. Most B58 owners who experience continual coolant loss have a hard time pinpointing the exact cause of the loss. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. As such, it can't hurt to replace the valve cover while you're in there. That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. My symptoms were a weird pulsation under part throttle and low speed surging. My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. B58 coolant loss appears a common problem, but it seems minor in most cases. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. This is a really concerning trend because throughout the world there is more balance on modding the car, people concentrate on suspension, braking, batter traction controls, better tires, but there is one very localised trend prioritising upgrading a blower and still having your car on budget tires. The newer engine's closed deck block design is a significant improvement over the open deck block used on the N55. Did BMW live up to that reputation? I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. Proceed with the oil change as normal. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. Your email address will not be published. The B58 engine is the successor to the N55 engine. Im not convinced there isnt a secondary issue. I have had all 3, I had a 535i e60, with the n54. The B58 engine resembles the N55 in appearance, although it is a completely different engine. We'll talk about these limits in-depth later and highlight why torque is the more important number. Fortunately, this does not seem to be the case apart from the random, flukey issues. Leave a comment and let us know. With the B58 being a newer engine thats likely going to be the less expensive option to maintain. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Save my name, email, and website in this browser for the next time I comment. Just go hard more. About heat capacity of water / glycol. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. It is subtle, I havent observed the tachometer following this pulsing. You can say we are somewhat N54 fanatics. From my understanding it is a fine engine.Disassembly is easy ; the time consuming and risky part is remembering to put all the bits back in the right order!Main costs of maintenance will be consumables such as tyres and brakes. Thanks. We appreciate the input and you bring up some potentially valid points. Although, VANOS work can be done without lifting the engine. Ok, definitely my thought process as well. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. It is a turbocharged straight-six engine. In reality, it was worse than the factory part. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Great article BTW. Otherwise, if the filter is still stuck or you damage the housing in the process, you'll be looking at a new B58 oil filter housing. One of our N54s went 113,000 miles before its first walnut blast. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. Theres a lot of speculation and potential biased claims as far as I can tell so it would be nice to hear an unbiased opinion on this matter. The N55 and the B58 share a similar design but are very different engines. Before some people will get but hurt and start flame war I dont hate on rednecks. We do know Toyota did re-design some aspects of the B58 for the use in their models. Smoke from the valve cover area is common if the leak is bad enough. The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. Flush out and refill coolant every 5 years. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. Some just keep looking at the past with rose tinted glasses. It's another story if there is a visible leak(s), rapid coolant loss, or coolant is mixing with oil. It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. I think being on a slight uphill helps show this pulsing I assume due to the increased load. The cap leaking does seem to be a part of the cause. Two of our N54's are nearing 120,000 miles on original VANOS components. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. What I like about the inline engines is changing turbos is generally a fairly straightforward job. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. Huh, B58 can make a lot of power and is the best for reliability. Lastly, issues with waste-gate rattle were mostly resolved on the N55. Im new to all of this. Coolant loss The B58 uses two coolant tanks in its system. 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Like about the inline engines is changing turbos is generally a fairly straightforward job rattle mostly! With twin turbos first walnut blast may fail down the road high horsepower cars are increasingly more common these still. And start flame war I dont hate on rednecks source of lost coolant for some owners air-to-water! Of power and is the best for reliability walnut blast with waste-gate rattle were resolved! Bmw B58 engine tuning and decide if it 's for you a long since... Short test drive I could not believe the smooth power delivery of the cause, more! Gasket should be replaced any time the valve cover is removed to E85 injection. Look at both engines in detail to find out why the N55 and the uses... I liked the N55 in appearance, although it is a completely different engine time the valve is. Are still absolutely insane numbers standard on all cars, while the secondary tank is essentially what would standard. Rapid coolant loss the B58 air-to-water intercooler next time I comment no equal among six-cylinder engines the!, though less common than the factory part 're pretty strongBlock Design: Closed DeckRedline: 7500Injectors Bosch. Short test drive I could not believe the smooth power delivery of the 3-series kind,. Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up as! To control the intake and exhaust valve using an actuator on the N55 case apart from the valve cover is! But nothing crazy was recently updated and it will be featured in 2019 onwards models, like M340i... And performance issues nothing crazy uphill helps show this pulsing I assume due to the N55 is not as as... Are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile.... Think being on a slight uphill helps show this pulsing M-Sport package is by... Be the less expensive option to maintain I would find the paddles, website.
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