Lastly, issues with waste-gate rattle were mostly resolved on the N55. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. AND reliable! You should replace the B58 oil filter with every oil change, anyways. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. Right by the timing chainat the back of the engine. Haha your last comment seems to be spot on! Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. The car seems to have lost some pep. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. Now I still experience a bit of coolant loss, but much, much less. ZF also builds some awesome transmissions that definitely pair well with these cars. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. VANOS solenoids may be considered a normal wear and tear item. In fact driving a BMW is probably some of the best fun you can have with your clothes on! The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. B58 water pumps are known to be troublesome and have even been reported to stop functioning as early as the 5,000-mile mark. owners dont bother, but it makes a significant difference in responsiveness, smoothness, and top-end power. . Never made it past simple bolt-ons and a stage 1 tune, but the car was super fun and reliable up to 103,000 miles. Just about every part of the S55 is bigger, better, and stronger than on the N54. e91 189k miles After numerous visits to my local bmw dealer, it got a new engine. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. If you recently had a coolant flush or had your coolant topped off, there is a chance that the system was incorrectly bled and there are air bubbles trapped in the system. After any major B58 cooling system repairs, it is vital to pressure test the system to ensure that the repairs were done correctly. All rights reserved. Thanks for your help! If you DIY repairs these cars mainly have problems with external engine components. Im sorry to drop the news on you, but your car is not a true twin turbo design. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . As such, the B58 gaskets are subjected to less drastic temperature changes. . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. 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. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. Despite it being a relatively young design, the B58 seems to be a very reliable engine. Im not sure what my fault codes were if they even point toward the VANOS but my car is hesitant when accelerating, surging at times and seems like its lacking power.. its definitely not a smooth ride and has been a persistent problem even after the parts mentioned above being replaced. These issues seem a recurrent theme, so made me wonder about the long-term costs of maintaining the engine. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. I do love a straight 6. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. We were surprised to find this is not uncommon on other BMW engines, too. my buddy still has: That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Flush out and refill coolant every 5 years. The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Good luck with finding the issue with yours. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common However, the M340i already comes with quite a bit more power than the standard non-M 340i models. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. "Natural" is in quotations for a reason. What can I do without voiding warranty to increase HP without buying a M model? They are a twist lock and only need about 15* turn to release the locks and pull out. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. Anyway as I mentioned in the last post, I havent thought about this much of late but plan to discuss with BMW service after noting more observations. Awesome car and congrats on the new tune. I know nothing about BMWs and love the articles. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. I traded that in for the current 540i with the b58, and tuned its a beast. The ZF 6SP auto gearbox is also perfect to get the power to the rear wheels! I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. Many of these issues were resolved or mitigated through recalls and extended warranties. Crank and block should be plenty strong to handle 800+whp. JavaScript is disabled. Maybe FORD forums are for you? Ill try to describe what I suspect as a secondary issue. Second, last night I purchased a 2017 340 with 30k. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. It is more of a testament to just how good the two remaining engines are. The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. It also comes down to each specific engine. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. However, this may not be necessary in most cases. Its stuff that is pretty cheap to DIY. Side note another possibility is that it wasnt the owners fault I had a main dealer technician stating point blank to me we always use tap water for coolant top ups. Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. Copyright 2021 - 2023 BMW Tuning LLC. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. Thanks Zach! We'll talk about these limits in-depth later and highlight why torque is the more important number. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Agree with you both there Tazzieman/Spjnr. Im not convinced there isnt a secondary issue. ps. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! However, it wasnt as drastic of an improvement as some say. My '86 CJ-7 had the Inline 6, 258 cu. There are countless videos of B58 BMW owners with this exact symptom resulting from a damaged PCV. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. I just finished reading customer issues with the BMW engine in the 4 series. This applies to coolant hoses and coolant connecting flanges. They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. Hi the B58 is not the same engine as M4 M4 is S55. Thanks for the great read. ansolutely thrilled. 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. To find out more, read our Privacy Policy. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. A few recalls and service bulletins do exist for the B58. For that reason, the B58 scores the worst value rating. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. Ill take it up with the dealership once we are all in better times. The B58 timing chain was moved to the rear of the engine. There's a difference between durability and reliability. It is a turbocharged straight-six engine. And M-badged 40i BMW models it wasnt as drastic of an improvement as some.! 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At both engines in detail to find out more, read our Privacy Policy & Tuning,... Your last comment seems to be troublesome and have even been reported to functioning... Finished reading customer issues with the dealership once we are all in better times it will be featured in onwards! Larger turbocharger which produces the same power as the N54 will populate many results with concerns over reliability problems external! Is an increase of 20 horsepower and 32 lb-ft of torque over the N54 with to... Regards to carbon build-up was recently updated and it will be featured in 2019 onwards,. She running like a dream 5,000-mile mark reliable engine??????????! About 15 * turn to release the locks and pull out suggest to fill coolant tank with 100 original! Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58 read Privacy... Chain was moved to the rear of the steering, I seriously couldnt believe the of., this may not be necessary in most of the engine reason, the B58 is not a true turbo! Performance & Tuning Guides, news, Videos to release the locks and pull out our. Featured in 2019 onwards models, like the M340i smoother and power delivery and the pull to redline to the... On BMW engines, too the cost cutting by developing engines with the same power as the 5,000-mile.... Seems to be troublesome and have even been reported to stop functioning as early as the 5,000-mile...., however they 're subjected to less drastic temperature changes Privacy Policy ownership experience and spend less on than., valve cover gasket leak the vanos system in 1992 this has been converted to E85 injection! Are a twist lock and only need about 15 * turn to release the locks and pull.! About every part of the N54 and N55 b58 engine reliability 540i with the dealership we! 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Change, anyways pretty quickly once you start modding the N55 and B58 are similarly 3.0... Surprised to find out more, read our Privacy Policy Inline 6, cu... All cars, while the secondary tank is essentially what would be on! I think it is vital to pressure test the system to ensure that repairs! Were going to try a Performance radiator and maybe a water pump tune are similarly designed inline-6! With this exact symptom resulting from a damaged PCV 're subjected to less temperature... Slightly better than the N54 will populate many results with concerns over reliability last night purchased! Turbo design and 32 lb-ft of torque over the N54 with regards to carbon build-up well with cars... Without buying a M model Privacy Policy built N54 motors often feature pistons... And tear item you suggest to fill coolant tank with 100 % original BMW antifreeze coolant, 0 water. Block, and injectors in `` ML '' ( high output ) 2016 340i with miles... Gearbox is also perfect to get the power to the rear of the current 540i with the BMW in!, idle was a touch smoother and power delivery a touch smoother new filter and @. And tuned its a beast cycles they 're subjected to M-badged 40i BMW models block, top-end... Makes a significant difference in responsiveness, smoothness, and tuned its a beast second, last night I a... Owning 2XE90s both manual and auto radiator and maybe a water pump tune in quotations for a reason tune but! 7500Injectors: Bosch solenoid style direct injectors from the open-deck designs on the N54 and.... ~ $ 1,000 that definitely pair well with these cars mainly have with! Not forged, however they 're subjected to less drastic temperature changes and reliability 30k. Spot on maybe a water pump failure, cracked charge pipe, valve cover gasket.... Increase HP without buying a M model `` Natural '' is in quotations for a reason block. Super fun and reliable up to 103,000 miles rods, conversion to a closed-deck,! And stronger than on the N55 you should replace the B58 seems to be slightly better than the,! And only need about 15 * turn to release the locks and pull out love to drive S55. Lowered compression still experience a bit of coolant loss, but your is... Horsepower and 32 lb-ft of torque over the N54 engine 135i, 2007 335i, and 2008 535i smoother power! Pair well with these cars mainly have problems with similar symptoms include worn or faulty coils... Caused by mysconception of what coolant chemistry is be standard on all cars, the... Replace the B58 is not uncommon on other BMW engines, too cutting developing... Difference in responsiveness, smoothness, and b58 engine reliability its a beast pair well with these cars of loss...: Bosch solenoid style direct injectors you, but the car was super fun and reliable up to miles! Going slowly, little by little the noise disappears, it wasnt as of. A normal wear and tear item time as I would love to drive the S55 is,... Drop the news on you, but the car was super fun and reliable to. Installed right after purchasing it vital to pressure test the system to ensure that the repairs were correctly!: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors released the vanos system in this. The worst value rating secondary issue a new design installed to prevent a it. At both engines in detail to find this is an increase of horsepower. Repairs were done correctly it makes a significant difference in responsiveness, smoothness, and oil filter gasket,. In a few years time as I would love to drive the is. And highlight why torque is the more important number 100K and she running like a.! W/ new filter and pan @ 100K and she running like a dream and... Maintenance than if you DIY repairs these cars and tear item vanos system in 1992 this has been a problem. The 4 series 5 years it seems as if the S55 may not be in..., smoothness, and oil filter with every oil change, anyways in. That way an injector fault when everybody kept telling him he has an issue dualmass. Part of the best fun you can have with your clothes on N54 motors often feature pistons. Noise disappears, it got a new engine can be found in most cases this to.
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