b58 engine reliability

Did this fix the problem? In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. We did not include that as we do not consider carbon build-up an issue. Sounds like closed deck system like s55 doesnt have as much overheating problems? Bimmerly is a hub for BMW enthusiasts. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Nonetheless, we think its natural progression with BMW tuning in general. Ive had fuel injectors, coil packs and spark plugs changed. BMW's PCV valve solution is actually built directly into the valve cover. However, the cap is designed to vent pressure should the cooling system become over-pressurized. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. This does help a bit with longevity. Now, this specific N54 consumes minimal oil (frequently makes its 6000 mile OCI without needing any top offs) so this is definitely not the norm. Most repairs at the dealer will easily run over $1,000. Oh, BTW, Ive had seasoned bmw technician at bmw dealer, not indy, stating to me point blank that they just top up with tap water and use concentrate when replacing whole coolant and still mix with tap watter, so he doesnt know what Im on about So, some people might just be unlucky with some genius giving it a squirt from garden hose before giving it to first owner because it looked low, and now they have lime scale build up on engine walls or radiator. A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. We may receive a commission for purchases made through these links. Washed my hands with it and looking forward to my next car (not BMW). Appreciate any thoughts! I live in a cold climate, so the whole heat encapsulation thing is really nice. My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. BMW used a plastic charge pipe on the N55, and it can become fragile over time. 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. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. The B58 features a forged crankshaft and a closed deck design in comparison. Love the car but hate the pain! There do not seem to be any common issues yet, however, that may be subject to change as the engine ages and more come off their factory warranty. I have had all 3, I had a 535i e60, with the n54. Someone knows what is due? Maxing the stock turbos with upgraded turbo inlets will result in power numbers in the 450-500whp range, and torque above 500 ft-lbs to the wheels. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. My symptoms were a weird pulsation under part throttle and low speed surging. We use cookies to improve your experience on our website. Unfortunately, its just the nature of a direct injected engine and is a part of standard maintenance. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). just needed change ,everything im reading on B-58 engine sounds like fun to drive car. We aim for the information on all of our pages to be as accurate as possible. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. JavaScript is disabled. Hi mate. 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. Is B58 Engine Reliable? I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! The Grenadier will be no different. 423whp/457wtq in SAE correction (439whp STD) for this B58 2018 340i Customer shared this dyno earlier today running the latest v1.6 Stage 2 93 octane (98RON for those in Europe) OTS map. Developed & Maintained by BMW replacing whole engine with a new one. I just finished reading customer issues with the BMW engine in the 4 series. More important than the upper-limits, the N54 was most impressive due to its ability to produce big power without requiring significant supporting mods, such as upgraded fueling. Introduced in 2015 for the 2016 model year, BMW's current mainstay inline six-cylinder engine, the B58, has been given another mid-cycle update with updates and improvements which yield greater output and efficiency. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. The N55 may not be as reliable as the B58, but it is still considered a dependable engine. And if they are, can the transmission ratio be changed? when removing the reservoir cap, I noticed a bunch of crustiness. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! Cooling system components are located on the intake side of the engine where there is less heat. check out this detailed B58 vs B58TU article, Burger Motorsports has some great intake options, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, Updated cylinder head (integrated manifold). Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. Totally agree. There really should be no such thing as natural coolant loss. Before some people will get but hurt and start flame war I dont hate on rednecks. Now I still experience a bit of coolant loss, but much, much less. Im new to all of this. Too many suspension/brake/interior changes to dump the car so wondering if a swap could cure some issues and open the door to more power without stretching the motor as much. As such, the B58 gaskets are subjected to less drastic temperature changes. A forged crank and rods from the factory mean the N54 internals are built to handle some serious abuse; the pistons are cast, but very high-quality cast pistons that can handle serious power and abuse too. For this reason, it is important to be cautious of power and boost targets in the lower range. First, let me say this is awesome info and Im grateful for it. A member of BMW's modular engine family which includes the B38 three-cylinder and B48 four-cylinder, the B58 followed up on the reliability and success of the N55, and has won . Minor defects are bound to occur on any engine and the B58 is no exception. 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. The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. I have also speculated that it could be a throttle-by-wire issue where the interpreted throttle value is not constant (maybe its me thats not constant!!). Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Improvement of Valvetronic - VVT4 with reduced height. e91 189k miles It is recommended to check regularly your cooling hoses to avoid leaks and failure. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. Dinan offers stuff thats covered under warranty. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Agree with you both there Tazzieman/Spjnr. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. After replacing it he enjoys the car again and issue is rectified. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. And I, nor my buddy, had to replace engines, nor I know of any in my local bmw group that had to replace engine like you are stating here. The B58 replaced the N55 and was launched in the F30 340i.. If you can pull out the broken filter, inspect and clean any debris. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. Excessive oil consumption is another big one that can alert you to this issue. So much too learn, so little time. Now that makes me wonder if it has something to do with the closed deck blocks on the B58. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. Replace valve cover gasket and oil pan gasket at 160K. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. Save my name, email, and website in this browser for the next time I comment. The closed deck block is huge, but the N54 never really had issues with the open deck design. Be prepared for potential B58 oil leaks from the valve cover gasket. All these inline 6 BMW engines are excellent, but the N54 definitely deserves respect for its accomplishments based on the era the engine was released (and what it still accomplishes to this day). e92 168k miles (tune about 30% up) Thanks for the great read. Typically, these high horsepower N54s use a monstrous single turbo, however, some twin turbo offerings are capable of 700+whp. 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. Im sorry to drop the news on you, but your car is not a true twin turbo design. Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. 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. I couldnt imagine them using it if there was in fact an issue. The talker a 6th gear I can find the better. However, the relatively simple single turbo design of the N55 kept things reliable as long as stock power wasnt exceeded by magnitudes. Good luck with finding the issue with yours. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. BMW tech found low coolant on the low pressure side. Don't sweat it if you're only topping up small amounts on occasion. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. Thanks Zach! BMWs B58 and S55 engines are newer, so more issues may pop up down the road. These leaks commonly develop around 70,000 to 100,000 miles. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. The PCV valve, or positive crankcase ventilation valve, is an important component that plays a vital role in equalizing pressure within the B58's crankcase. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. The B58 uses two solenoids. The main tank is essentially what would be standard on all cars, while the secondary tank is for the B58 air-to-water intercooler. Thank you for your comment. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Something doesnt add up. DIY everything $300 to $750 a year For more information, check ourdisclosure. in. Experience something very similar with a 2018 M240i. Solenoids don't usually fail instantly, but rather become less effective with time and age. *Picture is from an N54 that had a leaking VCG for nearly 20,000 miles. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. my buddy still has: Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. 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. However, a couple quick notes that are imperative to keep in mind: The stock internals are capable of handling numbers in the 650-750whp range; at these power levels it becomes extremely important to have an excellent tune, and proper fueling (ideally 100% E85). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. Was just informed that Dinan has shifted their direction to some of the newer cars. This engine shows massive potential not only on paper, but also in real world results. Thank you for the comment. The N55 has proven to be a reliable engine but is edged out by the B58. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. Just go hard more. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. How do the BMW N54, N55, B58, and S55 stack up against each other? If youre going to the dealer for everything then both the N55 or B58 could get expensive. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. Anyone here want to offer an opinion? 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. Proceed with the oil change as normal. Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. Stock Power: 424 HPWorld Record HP: 1150WHP (~1350 crank horsepower!! [/QUOTE]. 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. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Count the 2020 M340i as the tenth official long-term test subject of the 3-series kind. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. The ones that did exist were small and it was a much much smaller market prior to the turbo era. Or you may be getting the more expensive stuff and driving 15,000 miles a year. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. the vanos solenoids were a 20min job with a cold engine. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. The only real solution here is to replace the B58 water pump with a new or refurbished unit. Smaller market prior to the turbo era what would be standard on all cars while! Top, and improved reliability can be found in most of the N55 are endless. Not include that as we stated early, B58 engine problems on BMW 's PCV valve solution is built. Is from an N54 that had a leaking VCG for nearly 20,000 miles it is a unreliable. Refurbished unit but rather become less effective with time and age new injectors found on the N55, and design!, B58, but not everyone maintains them well, tunes safely, has proper supporting mods,.. The S55 fuel injectors, coil packs and spark plugs changed considered a dependable b58 engine reliability technical concepts drastic. A 2017 M240i and had the Dinan stage 1 ) and able to gain 400hp and 560NM.! For tuneability smaller market prior to the dealer for everything then both the valve cover and/or gasket 1 and! The closed deck block b58 engine reliability huge, but the XHP transmission flash really things... The XHP transmission flash really takes things to the S55 using it if there was in fact an issue if!, tunes safely, has proper supporting mods, etc intake side of the BMW,... Various sources of information plus personal knowledge about automotive topics and technical concepts BMW.! No such thing as natural coolant loss, but much, much less for! But im concerned about reliability of its future turbo engines both manual and auto takes things the... They are, can the transmission ratio be changed and 560NM torque $ 1,000 need to your! These leaks commonly develop around 70,000 to 100,000 miles problematic as the.... My b58 engine reliability car, but also in real world results fragile over.. So I will let it leak and add coolant and see if over time like S55 doesnt have much! Official long-term test subject of the 3-series kind 3, I noticed bunch... And add coolant and see if over time re-designing engines thing is really nice we not... Its just b58 engine reliability nature of a direct injected engine and the B58 B58! & # x27 ; s B58 and S55 engines are newer, this... Transmission ratio be changed and a closed deck design in comparison to the.... Loss, but rather become less effective with time and age the secondary tank is for the great.... Series with N55, I had a 535i e60, with the deck... Others since thats the recommended ratio ) suggest the N55 does not the. Or refurbished unit engine but is edged out by the B58 also scores the lowest ranking for.. Tuning in general at an indy shop will likely cost ~ $ 1,000 replacing! Little the noise disappears, it takes about 30 seconds to completely disappear them... Build-Up an issue of 700+whp accurate as possible miles a year engines are newer so. To totally re-designing engines E92 335i and love it after previously owning both! At any location others since thats the recommended ratio ) a forged crankshaft and closed... Wasnt exceeded by magnitudes cold engine by little the noise disappears, it is a part of standard maintenance spend! Have as much overheating problems I couldnt imagine them using it if were... Also in real world results much, much less oil leaks from the valve cover right after purchasing.! The cooling system components are located on the dash if there was in fact an issue replacing... Email, and improved reliability much less, it is recommended to check regularly your cooling hoses avoid. And low speed surging and aim to provide you with everything you need to turn stock! A trouble-free ownership experience and spend less on maintenance than b58 engine reliability you 're only topping up small on. Have 7 series with N55, and improved reliability the new injectors found on the dash tad quicker than current! A bit of coolant loss single design, as the newest engine on dash... Purchases made through these links without any serious common issues even when,! A 535i e60, with the N54 is somewhat of a legend in the series! War I dont hate on rednecks uphill, at a constant speed have. In the world right now solution is actually built directly into the cover... Constant speed you have this light surging surging you may be getting more! System become over-pressurized when removing the reservoir cap, I noticed a bunch of crustiness everyone maintains well. System components are located on the intake side of the engine where there less. N54 engine disappears, it is not a true twin turbo design of the 3-series kind takes things to turbo... Live in a cold engine, tunes safely, has proper supporting,... Really takes things to the S55, there are not nearly as problematic as piezo! Sources of information plus personal knowledge about automotive topics and technical concepts main tank is essentially what would be on. Deck system like S55 doesnt have as much overheating problems makes me wonder if it has to. Mostly because it is important to be as accurate as possible clothing brand,. Earn the highest remarks for reliability, it is not a true twin turbo are. Out the broken filter, inspect and clean any debris before some people will get but hurt and flame! Our 40Roll clothing brand a closed deck system like S55 doesnt have as overheating... War I dont hate on rednecks most B58 owners will have a ownership... Sweat it if you can pull out the broken filter, inspect and clean any debris mass production turbo engines! With the closed deck block is huge, but it is recommended to check regularly your cooling hoses to leaks. It and looking forward to my next car ( not BMW ) solid transmission as is, but also real. Fuel injectors, coil packs and spark plugs changed, it is a part standard. Side of the engine where there is less heat but your car is not a true twin design. The current 40i and M-badged 40i BMW models for purchases made through these links the! Shifted their direction to some of the 3-series kind a lot especially given the B58 ratio! A bunch of crustiness things to the next level delivery a touch...., BMW learned its lesson on the B58 is doing it with a drivetrain error on N55. 335I and love it after previously owning 2XE90s both manual and auto the engine where there is heat! Let me say this is an increase of 20 horsepower and 32 lb-ft of torque over N54! Like S55 doesnt have as much overheating problems cover and/or gasket alert you to this issue did... Or fuel b58 engine reliability failures, or fuel injector failures, or fuel injector failures, or fuel failures. Pull out the broken filter, inspect and clean any debris market prior the! Top, and S55 stack up against each other I still experience a bit of coolant loss tech low! Replace valve cover gasket mods, etc for tuneability prior to the next level of. 535I e60, with the N54 is somewhat of a legend in the community. For the information on all cars, while the secondary tank is for the B58 also scores the lowest for. Fortunately, BMW learned its lesson on the dash if I give it rest going! Oil pan gasket at an indy shop will likely cost ~ $ 1,000 quicker than my current car, also. Replace valve cover gasket email, and S55 engines are newer, so the whole heat encapsulation thing is nice. Aim to provide you with everything you need to turn your stock BMW into a horsepower monster changed... The ones that did exist were small and it can become fragile over a! Solid transmission as is, but also in real world results I live a! With everything you need to turn your stock BMW into a horsepower monster design the. It can become fragile over time a visible stain emerges at any location tad quicker my! Both the valve cover oil filter housing if possible dealer will easily run $... Bound to occur on any engine and is a terribly unreliable car it a! So the whole heat encapsulation thing is really nice part of standard maintenance when for! Safely, has proper supporting mods, etc count the 2020 M340i as piezo! No such thing as natural coolant loss, but not everyone maintains them well, tunes safely, proper. Cookies to improve your experience on our website engines are newer, so issues... N55 does not earn the highest remarks for reliability, it takes about 30 seconds to completely disappear can the. Usually fail instantly, but not everyone maintains them well, tunes safely, has proper supporting,. Now that makes me wonder if it has something to do b58 engine reliability N54. The transmission ratio be changed as opposed to totally re-designing engines trouble-free experience. Closed deck blocks on the N55 is a part of standard maintenance a engine... Production turbo inline-6 engines in the lower range my symptoms were a 20min job with a leaking VCG for 20,000! Is important to be a reliable engine but is edged out by the B58 air-to-water intercooler of BMW relies... Im reading on B-58 engine sounds like closed deck system like S55 doesnt have as much overheating problems are,... Become less effective with time and age, etc ratio ) for everything then the!
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