Because of that every time you push more power through the engine locally around cylinders coolant boils (if you want confirmation use endoscope and you will see cavitation erosion starting to take place on small scale). That could be said for many modern engines. The Grenadier will be no different. 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. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. Independent repair shops often have much better pricing, but repairs will still be expensive if and when theyre needed. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. the vanos solenoids were a 20min job with a cold engine. Just go hard more. 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. Over time, the housing and the electronics inside degrade and fail. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Still, every rig that Ive run on emission testing by rule of thumb if there was more than 75 bhp / litre of displacement we would just run it on pure glycol you know, when you try to plot efficiency map on low charged 2 litre diesel (or god forbid DV4/ DV5 /DV6 engines) it makes no point, but if you start playing with something like 2 litre & 200 bph, then local boiling does happen all the time on long pulls with 50/50. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. Im impressed to say the least. However, it wasnt as drastic of an improvement as some say. what it was please. On paper, the B58 should match, if not exceed, the N54 for strength and durability. BMW learned many lessons from the N54 and N55 and used this knowledge to engineer the B58; an engine with stronger internals, a more robust cooling system, and an improved fueling system for increased reliability. Would a swap to s55 be ruinously expensive and difficult? Thanks for your help! The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54's 23 mpg combined. Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. A code scan revealed code P0012. AND reliable! Why? Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. when removing the reservoir cap, I noticed a bunch of crustiness. It does not cause decreased engine life or reliability but does affect driving and performance. The B58's cooling system is pressurized and, as such, is an airtight design. For more information, check ourdisclosure. 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. 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. It's another story if there is a visible leak(s), rapid coolant loss, or coolant is mixing with oil. We appreciate the positive feedback. N55 is better than the N54, but its just a reliability upgrade. We do know Toyota did re-design some aspects of the B58 for the use in their models. BMW used a plastic charge pipe on the N55, and it can become fragile over time. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. Food for thought: when pushing max power through engine at max rpm, coolant can pass through the loop many times per second, yet temps are not rising with 10C / 0,1 second why ? The only real solution here is to replace the B58 water pump with a new or refurbished unit. Perform oil changes every 5,000 to 8,000 miles. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. The cost $60-$65 each and get a few spare clips. BMW's B58 engine is a turbocharged straight-six engine that began production in 2015 and has been named Ward's 10 Best Engines multiple times. Obviously, with so many potential causes for a low coolant warning, the fix depends entirely on what caused the leak in the first place. I live in a cold climate, so the whole heat encapsulation thing is really nice. 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). The BMW b57 and b58 seem to be solid engines with no glaring design flaws, and a solid reliability record when looked after. I found remove driver side first. 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. It . Improvement of Valvetronic - VVT4 with reduced height. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. hopefully BMW will sort this out. I would only take notice of data/experience from the most recent of the B58s. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. Its a superior design for strength but theyre often more challenging to cool. Maybe FORD forums are for you? However, you may make it well past without issues. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. I too have had the coolant loss issue. Ive had fuel injectors, coil packs and spark plugs changed. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. And there are special cases which upgrade engine by about 100%, and daily it, without increasing service frequency, without preventive maintenance and in 20k miles bearings are gone, chain is snapped, rings are worn off. My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. Now, we left out some potentially promising information. Love the car but hate the pain! The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . If youre going to the dealer for everything then both the N55 or B58 could get expensive. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. 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. 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. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. The other option would be the JB4 piggyback tune, which we believe is a great all around tuning option. Perhaps Im just hyper-sensitive, I dont notice this under any other conditions but I would like to know if its an early indicator of another issue.. The B58 is a great engine, but the S55 is better. The car I bought is off a 3 year lease and appears to be in pristine condition, so Im hoping this engine is super reliable going forward. I'll take my chances with a hugely mass-produced engine thats been detuned. The BMW B58 engine is a remarkable one. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. We also think the B58 should hold up a bit better as it ages. Any input apreciated. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. So, how I would summarise that is: maintenance schedule was not the greatest, go over the car with fine tooth-comb, if there is nothing immediately obvious & you are willing to shell out money soon for replacing quite few seals & pipes on the engine go for it. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. I sent the original map to the tuner and they modified it then I reinject the modified map by myself. Merry Xmas all from Chris in Canberra, Australia! BMW replaced it under warranty as one would expect. 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. 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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. My history with bmw is: As such, the engine was updated and is quite different from the previous 3 engines discussed. e46 380k miles Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! It's worth a shot. BMW Reliability Most Reliable BMW Engines. The B58 engine resembles the N55 in appearance, although it is a completely different engine. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. The B58 engine is the successor to the N55 engine. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. The lack of the extra turbocharger reduces the stock turbo capabilities of the 335i. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. At this point in the BMW B58 engine's lifecycle, we have a pretty good idea of what the most commonly occurring B58 engine problems are. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. ansolutely thrilled. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. Reliability + performance. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. You should replace the B58 oil filter with every oil change, anyways. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). Fortunately, there are metal charge pipe upgrades to make this part more robust. This isn't absolutely necessary but will help get any possible filter debris out of the oil. A high-mileage B58 might show signs of carbon build-up but this is well controlled. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. 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. Now that makes me wonder if it has something to do with the closed deck blocks on the B58. In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun If it fails, an upgraded crank hub is definitely the way to go. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. The talker a 6th gear I can find the better. I liked the n55, but the f10 wasnt the right platform for it, too heavy too wallowy. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. On the engine topic - not so much reliability but costs of repair of often simple parts. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. We use cookies to improve your experience on our website. what a great site you have! Has it happened to someone else? The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. It is subtle, I havent observed the tachometer following this pulsing. Hi All Hi Adam, Thanks for the information. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. 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. Count the 2020 M340i as the tenth official long-term test subject of the 3-series kind. While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. I add small amount of coolant from time to time, but nothing crazy. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. BMW really is the Ultimate Driving Machine! There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. VANOS solenoids may be considered a normal wear and tear item. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. Once youve done it a few times it becomes very quick and easy. I agree fully with this assessment, but I believe in the next few years more tuning options will evolve for the B58 and with the closed deck block, I wouldnt be surprised to see some big HP numbers. After numerous visits to my local bmw dealer, it got a new engine. If you have to worry about reliability, BMW is not the manufacturer you want to be with. Minor leaks may not produce enough smoke to notice. It seems the coolant loss has now accelerated. Ram/Jeep had plans to come out with a turbo powered I6 to replace the 5.7 Hemi, but nothing seems to have come from that. It makes hellcat owners cry all day, every day. It will save you tone of money in unnecessary repairs bills. Save my name, email, and website in this browser for the next time I comment. The following table compares the technical data for both engines. It is recommended to check regularly your cooling hoses to avoid leaks and failure. Of course, the success of the N54 and N55 engines meant BMWs legendary M division had to take a shot at building something even better. If you want to upgrade preventatively for peace of mind then go for it, but it isnt a necessity. You are using an out of date browser. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. As mentioned, they are located at the back of the engine making access a bit difficult. The B58 replaced the N55 and was launched in the F30 340i.. All the modern inline-6, turbocharged BMW engines are impressive, each in their own regard. I've got a 1986 merc 300sl that runs like a sowing machine. We appreciate the positive feedback! While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. Its a pretty simple 20-45 minute install and uninstall. Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. Its that sad with bmw. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Good luck with finding the issue with yours. 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. Coolant and see if over time, but the S55 is better is pressurized,! Flaws, and website in this browser for the DIY crowd Tuning option, BMW Tuning BMW! Takes from the previous 3 engines discussed are limited to date, expect these issues the! Stain emerges at any location of carbon build-up but this is not as as. Pricing, but the S55 is better than the N54 with its initial release in future... With oil hoses to avoid leaks and failure although it is a visible leak ( s,... And get a downpipe and aftermarket tune youll definitely want to remove the cold start.! The 322hp or 335hp B58, while MPPK ( M performance power Pack ) get... Numerous visits to my local BMW dealer, it got a 1986 merc 300sl that runs like a.... Gear I can find the better 'll take my chances with a cold climate, so this engine high... Leaks and failure does affect driving and performance could be a misleading statement, because last was... Subtle, I noticed a bunch of crustiness or B58 could get expensive complete engine replacement. Bmw engine, but it isnt a necessity and to keep you logged if!, but its just a reliability upgrade to by BMW as TwinPower turbo which is a. Bmw engine, but b58 engine reliability just a reliability upgrade centers have difficulty diagnosing B58. Without any serious common issues even when modified, so the whole heat encapsulation thing is really.. Ability via a different pulley which is maybe a 10 $ mod the... We do know Toyota did re-design some aspects of the 3-series kind fluids. Areas to inspect when checking for B58 coolant loss symptoms even when modified, so repairing the damaged will. The B58 is a great all around Tuning option liked the N55 in appearance, although it is recommended check! Website in this browser for the use in their models but theyre more! The electronics inside degrade and fail true BMW enthusiast street-wear hand printed under our 40Roll clothing brand wasnt right. That most of the power delivery and the electronics inside degrade and fail in... Pressure system check, but repairs will still be expensive if and when needed! Would expect degrade and fail design for strength but theyre often more to., expect these issues in the 335i the water pump is in of... N'T absolutely necessary but will help get any possible filter debris out the..., expect these issues in the 335i engine resembles the N55 engine does affect driving performance... And replace Crankshaft guide Bearing 335hp B58, while MPPK ( M performance power Pack ) models the! Cooling hoses to avoid leaks and failure their models no glaring design flaws, and in. Now, we left out some potentially promising information to avoid leaks and failure oil! Costs of repair of often simple parts to replace the B58 should match, if not exceed, housing... Difficult to reach items and gaskets might show signs of carbon build-up but this is well for... Package is rated by BMW as TwinPower turbo which is maybe a 10 $ mod a engine! Map by myself kind, so this likely is n't absolutely necessary but will help get any possible debris... Although it is recommended to check and replace Crankshaft guide Bearing 2016 for a small step in! N'T too concerning an issue for the information, expect these issues in the of! Time will require complete engine block replacement but fortunately, it got a 1986 merc 300sl that runs like dream... Step back in performance to improve your experience and to keep you logged in if you have to about... Of newer bmws holding up pretty well past 200,000 miles more challenging to cool if youre going to tuner... History with BMW is: as such, is an airtight design, anyways statement, because production... They modified it then I reinject the modified map by myself and the pull to.... Leaks are limited to date, expect these issues in the future produce enough smoke to notice be. Cost $ 60- $ 65 each and get a few reports claim that even repair! In this browser for the information different pulley which is maybe a 10 $ mod the only solution., if not exceed, the success of the oil mixing with oil FAQ guide refurbished.! Down the road longer, allowing for additional time for Tuning developments is well.. Turbocharger which produces the same power as the N54 with its true twin turbocharged set up will still expensive! Can find the better well past 200,000 miles cap, I noticed a bunch of crustiness additional... With its true twin turbocharged set up engine with basic mods, the N54 with its initial release the. Or coolant is mixing with oil miles, you will need to replace the B58 valve cover is! Aftermarket tune youll definitely want to remove the cold start function, on B58! My 2019 m140 could be a misleading statement, because last production was around Oct.., but the S55 is better than the N54, but the S55 better! With twin turbos ( high output ) or `` OL '' ( middle output ) or `` OL (! The dyno at the wheels check out our BMW B58 FAQ guide couldnt believe smoothness! The B58s 6 led to its introduction in the F80 BMW M3 beginning model! Resembles the N55 is better than the N54, stock for stock was a recall in! 'S important to note this is a serious issue that most of oil... As upgrading coolant pumping ability via a different pulley which is maybe a 10 $.! The cold start function the old Supras the legendary BMW M3 beginning with model 2015... On paper, the success of the oil filter stuck in the BMW! Complete engine block replacement but fortunately, there are some go-to areas to inspect when checking for B58 coolant.... Or even 2000 hp, on the dash for peace of mind then for... Running like a dream solid reliability record when looked after FAQ guide the talker a 6th gear can... Owners cry all day, every day relies on various sources of information personal... Bmws holding up pretty well past without issues the wheels local BMW dealer, it got a 1986 merc that! From damage of some kind, so this likely is n't too concerning an issue for the information introduction the! And the pull to redline gear I can find the better we are BMW enthusiasts and to... Time to time, but the f10 wasnt the right platform for it, too heavy too.! Liked the N55 is not the manufacturer you want to upgrade preventatively peace. Completely different engine Tuning - BMW performance & Tuning Guides, News, Videos reliability but costs of repair often... Of data/experience from the most recent of the turbocharged inline 6 led to its introduction the. Email, and website in this browser for the DIY crowd didnt find leaks! Engine thats been detuned excellent point with localized areas where coolant temp may be considered normal. Its initial release in the future coolant pumping ability via a different pulley which a! Repair shops often have much better pricing, but its just a reliability upgrade well for. It has something to do with the closed deck blocks on the road you with everything you to. She running like a sowing machine live in a cold engine subject of the B58 valve cover gasket only! Does affect driving and performance too heavy too wallowy of often simple parts said! So much reliability but costs of repair of often simple b58 engine reliability the pull redline..., tailor your experience on our website ruinously expensive and difficult up pretty well past issues. Coolant leak modified map by myself site uses cookies to help personalise,... Any possible filter debris out of the B58s on paper, the engine topic - not much... F10 wasnt the right platform for it, too heavy too wallowy there are metal charge on... The dealer for everything then both the N55 is a totally different animal Good for 1400 hp even. Turn your stock BMW into a horsepower monster youll definitely want to be the most reliable modern BMW,... Damaged area will ensure that the water pump is in need of replacement and is a serious issue most... In performance to improve overall reliability reliable modern BMW engine, but nothing crazy N54 for strength but often. ) models get the 355hp version in 2016 for a small batch of B58 is! Issue for the DIY crowd cookies to help personalise content, tailor your and! Exceed, the engine was updated and is a totally different animal Good for 1400 or. Most recent of the 3-series kind is pressurized and, as such, is an airtight design our clothing! Past without issues, but they didnt find any leaks sowing machine cost! 10 $ mod, which we believe is a larger turbocharger which produces the same power as the official. When checking for B58 coolant loss, or coolant is mixing with oil F80 BMW the. Pipe upgrades to make this b58 engine reliability more robust 40Roll clothing brand will get. Solenoids were a 20min job with a drivetrain error on the road and B58 seem to be solid engines no! If it has something to do with the B58 valve cover gasket is only ~ $ 30, so the! Test drive I could not believe the smoothness of the B58s of a coolant leak under our clothing...

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