N55 timing chain noise. Due to a design flaw and subpar materials, the plastic timing chain guides in N20 engines break down over time. I have seen it with my own eyes. I have a 2011 335i e92 with the N55 it only has 60k miles and I have this noise coming from the inside of the engine. If you hear a rattling noise from the timing chain area on the side of the engine, it is important to have the timing chain checked thoroughly, as there could be an issue with the tensioner. Start by removing the old timing chain and cleaning the engine block and timing cover. The timing chain is a vital part of a BMW’s engine, as it ensures that the camshafts and crankshaft move in sync. 131501 (Variable camshaft timing control (VANOS) intake) and 120408 (Charging pressure control: Switch-off) are the two most common DTCs associated with N20 timing chain failure, with the former concerning the Jun 2, 2022 · 2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications N55 timing chain replacement cost Google Search Search Forums Aug 29, 2023 · N55 3. Jul 20, 2019 · N55 engine (’09-‘Present) N62 engine (’04-’10) N73/74 engine (’05-’15) Dual VANOS with Valvetronic Engine Fault Codes. The timing chain must be kept secure so that engine timing remains within specification. 7 lb-ft of torque; BMW Camshaft Adjusters = 55 N m or 40. Early symptoms of timing chain wear include front end noise not associated with VANOS, or slapping noises coming from the timing cover. However, the N20/26 tensioner was updated in 2016. I liked doing the timing chains so much that I did it twice. 0L Engine Timing Chain Addresses chain slap or other noise caused by a failed or failing tensioner 2X Entries For Spin ALL N20/26 TIMING CHAINS WILL NEED SERVICING AT OR PRIOR TO 130k MILES. Inthetechnicaldocumentation Apr 13, 2023 · We had to call recovery service to bring the car back home. If he checked after then it is not fine. Cracked charge pipe on N55 BMW N20 Timing Chain Issues. I turned my car on Monday morning and got an error as I pulled out of my parking spot. Timing chain noise, or timing chain whine, is a common complaint with BMW owners. to/3vKtmX5Timing Chain: https://amzn. May 6, 2019 · VANOS stands for Variable Camshaft Timing, which is a valve timing system used, in conjunction with Valvetronic, on the BMW N55 engine. 5 liter 5W-30; Euro 5 environmental class; Estimated service life 250,000 km; BMW N55 Tuning & Performance Upgrades. Metal shavings in oil: The timing chain will wear out over time. Turner Motorsport has assembled a complete kit that includes everything necessary, as well as small hardware, to completely service the timing on your N55. Depending on the engine’s design, the tensioner will use either spring tension or oil pressure to keep the timing chain tight. They didn't use the same tensioner. Now on the E46, that dam water pump is attached to the timing chain cover, if your unlucky and get a seize instead of break, it the either breaks the bolts off or rips the timing chain cover, I had the Yes, the B48 is a reliable engine, especially if we compare it to the N20 which had major timing chain issues. P0011 – A Camshaft Position: Timing Over-Advanced or System Performance (Bank 1) P0012 – A Camshaft Position: Timing Over-Retarded (Bank 1) P0014 – B Camshaft Position: Timing Over-Advanced or System Oct 30, 2016 · How has the timing chain issue been on the n20 engines since BMW rebuilt that engine around 2014? In short, looking at recent f25 model years, but pretty much only the 28i model is available near me compared to the 35i with the n55 engine. All information contain in this video is intended for entertainment purposes only. timing chain service (minus oil and coolant), featuring high Aug 25, 2020 · last year i lost power brakes, from the research i did i put it off as a check valve failure, as the vacuum pump never fails (my bmw dealer said the mechanic who has been there 20 years has never had to replace a failed pump). well it was in fact the vacuum pump. This cost can be broken down into: Timing chain kit and related parts – approximately $1300 Jan 24, 2022 · One or more tensioners and a collection of guides are used to secure and keep tension on the timing chain. It's typical valvetrain tapping / knocking noise, not direct injection noise (I know the difference). BMW must have had good reason for doing that. If the timing chain breaks or wears out, it can cause the engine to run poorly or even stop working completely. Sep 10, 2020 · BMW Timing Chain Guide Bolts = 10 N m or 7. I've also heard some BMW engines from the past have had similar issues with timing chain guides so it's not exclusive to the N20. The N55 used the same chain and guides without abnormal failures. Sep 4, 2014 · Sorry if this sounds stupid, but does the n55 engine in the m235i use timing belt or timing chain. However, the N20 and N55 used the same chain and guide. This is a Genuine BMW tensioner with a two year warranty. Feb 6, 2024 · A timing chain is a metal chain that connects the engine’s crankshaft to the camshaft(s). May 25, 2021 · The mechanic said the timing chain guides would fail on the n55 at around 120k miles and its an expensive job. Sep 30, 2023 · The N47 diesel engine used in other markets around the world has also had a history of timing chain issues. Feb 8, 2023 · 1- Assembly of a new Chain Module with new Grip disc sprocket. F30 is a sub dedicated to all things 2011 - 2019 BMW 3 series. The links move on the toothed sprockets which are located on the ends of the crankshaft and camshaft and are responsible for opening and closing valves in the cylinder head and moving pistons and connecting rods in the combustion chamber. The guides installed on original N20s were prone to breaking, which introduced slack to the timing chain and prevented it from doing its job. This also replaces BMW part numbers 11 31 7 584 723, 11317532056, 11314552380. A failing timing chain is a serious problem that will cause wear and tear in the engine. If the sound is consistent and rough, then the issue could be that the timing chain is loose and rattling against something else. Engine oil level is ok. Apr 15, 2023 · When the timing chain breaks, it usually leads to catastrophic engine damage. BMW N55 Common Problems. BMW’s N55 engine succeeded the N54 engine, but moved to a single-turbo design as opposed to the twin-turbo N54. Nov 28, 2021 · Two noises that I can constantly hear on my engine, 111700 miles on it. I'm coming from a car that uses chain so would have to make a mental note if its a belt. Whatever revision to the timing chains was it does not make the issue any less prevalent. That was the N55. Jan 17, 2023 · Timing chain drive; VANOS variable cam timing; twin-scroll turbocharger; What kind of oil to fill 6. Required Octane: Premium Unleaded (91+) Digital Motor Electronics: Bosch MEVD17. The N55 features several much-needed improvements over the issue-plagued N54. Hate to go into the n20 if it still has issues Have I missed anything bad regarding the n55 engine also? Feb 4, 2023 · There's no definitive evidence that changing the tensioner will prevent timing chain guide failure. Gotta love direct i Aug 13, 2021 · Within the last 2 months, a noise that is best defined as a rattle/tapping sound has become progressively louder. Premature failures of the timing chain tensioner and the plastic chain guides often led to: Play/slack in the timing chain; Timing chain skipping teeth/gears; Broken bits falling into oil pan; When the timing chain breaks, it usually BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications Aug 21, 2023 · All evidence points to the tensioner being the problem, not the chain. The N20 engine has a unique and well-documented issue with premature timing chain failure. More on that later! If you are new here, well, I have been rebuilding my BMW N55 engine for the past few weeks and it’s been a great learning experience. Aug 23, 2021 · Timing chain rattle will make a very distinct sound that lasts maybe ten seconds on a cold start. The crankshaft is responsible for converting the reciprocating motion of the pistons into rotational motion, while the camshaft(s) operate the valves in the engine. Sep 22, 2022 · Hello everyone, in this video I want to show you something that I experienced recently it is really important for those of you who has BMW N57 or BMW N47 eng 19K subscribers in the F30 community. The timing chain’s primary function is to synchronize the engine’s functions. BMW Parts 335i E90 BMW E90 335i N55 3. It's not the same plastic used in the N55. 0L – 300-335 Timing chain guide failures – The plastic guides wear out prematurely, causing a ticking noise and potential for skipped timing. Aug 23, 2022 · Timing chain n55 Jump to Latest 2K views 6 replies 6 participants last post by jburke4689 Aug 26, 2022 11 N55Engine EngineDesignationandEngineIdentification EngineDesignation ThistrainingmaterialdescribestheN55B30M0indetail. my only ideas are timing chain is catching on a guide, serpentine belt tensioner is wobbling or alternator pulley is done. Replacing the timing chain at the right mileage point helps to prolong the life of the engine. but the knocking is very loud and not much power. If the timing chain is worn or damaged, it’s time to replace it. Omw back home, it seized. I'm wondering if at this point, is the car is worth fixing any further. Aug 5, 2022 · As always, few things missing, few bolts not tightened to spec and a major F up! Oct 19, 2018 · Is this rattle noise coming out of loose timing chain? Nov 30, 2019 · Does your BMW have timing chain noise? In this video I show you how to check if your engine exhibits the symptom of a timing chain failure noise due to timin Feb 29, 2024 · Since the timing chain is responsible for keeping the engine in time, excessive wear or play can also cause misfires and engine codes. You'll notice the injectors are SUPER loud. 3 lb-ft of torque; BMW Timing Chain Lower Guide Pin = 24 N m or 17. Timing chain failures are more common in the early models as BMW updated the problematic parts in 2015. to/39gwGzZSide Guide Rail: https://amzn. The start noise is not a big problem it's just the clue there is one. 2 . 0L Engine Timing Chain Addresses chain slap or other noise caused by a failed or failing tensioner 2X Entries For Spin May 17, 2023 · The N55 in your BMW is an interference engine, meaning that if the timing chain were to fail your engine would suffer catastrophic damage due to valvetrain components colliding with each other. When the tension is loose the chain will come off the guides and slap back on likely when you hit a bump or off throttle. The N20 engine was used in the BMW X3 sDrive20i and xDrive20i from 2011 to 2017, as well as the xDrive28i from 2012 to 2017. This is BMW parts item 11317584723, described as OEM Timing Chain Tensioner for BMW N51/N52, N54, N55, S55 Engines, that you can buy at the best price with fast shipping. As of now, it seems to be the most reliable 4-cylinder engine BMW has ever produced. Oiling System: Wet Sump. Oct 30, 2021 · This BMW e70 x5 has a bad timing chain that make a noiseYou can see we are using this timing chain tools to check it. The most common cause of timing chain issues in the N20, particularly those produced in the engine’s first four years, has to do with the timing chain guide. BMW N55 Timing Chain Kit - FCP Euro 11318648732KT1 135i, 135is, 335i, 335i GT xDrive, 335i xDrive, & more Save for later Available Ships in 1 business day. RPM is ok at Idling. Replacing the Timing Chain. Feb 27, 2020 · General N55 FAQ’s What is the BMW N55? The BMW N55 is a 3. I was looking online in forums about the anything related to the timing chain guides failing in the n55 at around certain mileages and I don't see anything related. to/3cL Aug 20, 2021 · I recently acquired a 2011 535xi with a loud ticking noise (owner thought blown motor) the noise is very distinct and at the very front top of the valve cover. Nov 4, 2018 · With the colder weather recently, I've noticed some valve/lifter noise at idle after a cold startup. This is a common issue with BMW engines. If your mechanic did the compression test before fixing timing and the hub, maybe 75psi is fine. 5L. Timing chain issue n55. Mar 17, 2023 · 2) Timing Chain. I hear it when I am lifting the clutch and the car gently starts to roll or when I am just driving low speed in first or second gear. Sep 22, 2020 · I have a 2013 X3 2. Engine is a N57 Dec 9, 2020 · The issue isn't the chain, its the timing chain guides. The engine seems noisy and even after going through all the posts here and on Youtube, I cannot tell if the engine noise is normal or resulting from the well-known and dreaded timing chain issue. The chain was updated in January 2015, which may or may not have fixed the problem. Over time the timing chain will start to wear and stretch, potentially causing it to skip timing or just completely fail. to/311XejUUpper Guide: https://amzn. This noise is indicating potential damage to your timing chain, chain guides and cam gears. i started to hear a chain rattle and stopped driving it until it was fixed. Premature failures with the timing BMW Parts 335i F30 BMW F30 335i N55 3. It sounds a little like a chain/tensioner/rattle. 6 lb-ft of torque, plus 55° BMW Crankshaft Bolt = 100 N m or 74 lb-ft of torque, plus 270° If you're planning an N52/N55/S55 engine rebuild or have the front timing cover off a new chain and set of guides will add tremendous piece of mind for years and many tens of thousands of miles. The plastic had a defect somewhere. 8xi with 60,000 miles on it. My guess is the engineers and designers of the engine had nothing to do with this. My E46 (gone) was belt driven, heard a weird noise that morning, didn't sound bad, went out local. This causes the timing chain to lose its tension and fail to function within its Sep 9, 2023 · Okay, now that we understand what the timing chain does and why it’s important, what does it actually cost to replace it on a BMW? The average total BMW timing chain replacement cost ranges from $2100 to $2500 including parts and professional labor. Sep 21, 2022 · Well, here's why a timing chain makes a rattling noise: over time, chains stretch a little and this provides them with the opportunity to be louder than they usually are; when a chain is stretched, it can hit the plastic shoe that is used to direct it in the timing system; Jan 12, 2016 · The timing chain is comprised of a series of links in the chain – similar to those found on a bicycle chain. Check the timing chain guides and sprockets for wear as well. The timing chain is out of warranty so will have to pay out of pocket for this. It is a known issue with all N54, N55, S55 since they share the same hub. Once I dug into it I found the head to be a sludge mess. Dec 24, 2022 · Timing Chain: Single Chain Configuration. No smoke. Engine Oil Spec: BMW LongLife-01 FE. I took the valve cover to inspect the chain and the cams they all look good and nothing looked broken in there. BMW’s N55 engine is one of the most popular and reliable engines available, delivering fast and consistently powerful performance. If you own a BMW with an N55 engine, there are a few common problems and issues to be aware of related to the timing chain. 4 lb-ft of torque; BMW Timing Chain Upper Guide Pin = 14 N m or 10. however the noise becomes constant on idle once the engine is warm. . My advice purchase an N55 with the 5k you’ll spend on a timing chain service. The noise gets louder as the car accelerates. No issues until i started up and there was a small intermittent buzzing noise. All reason Nov 18, 2021 · In this video, we will have some fun installing the oil pump, oil pick up tube, the timing chain and timing the engine. 0L inline 6 turbocharged, direct-injected gasoline engine produced from 2009-2019. I know this used to be an issue on the N52 engine, but also the N55? The noise goes away after the engine has warmed up for a few minutes. A knocking type of noise, usually until it reaches the optimum temp and a whining noi Timing Locking Tool Kit: https://amzn. the Mar 13, 2024 · Next, inspect the timing chain for signs of wear and tear, such as cracks or stretching. While accelerating from a complete stop, the popping/tapping/rattle begins and is sporadic. I also heard kind a loose belt or pulley noise too. This one is happy and healthy. The noise is only on idle, the car revs and drives no issue. engine oil changed 3 months ago. I can’t hear any timing chain noise. The N20/26 and N55 used different tensioners. The noise is not present during idle rpm and while the vehicle is stationary. Unusual noises: Especially when idling, but not just when idling, you may hear your engine rattle. Improvements in the timing chain, injectors, a new heat encapsulation system, and a strong closed-deck engine block make the B48 a stout powerplant. Drivetrain malfunction, power reduced, take to service center Later in the day, after work, I hooked up my obd scanner and found code 131401; vanos, exhaust, cold start. Finding the TDC (top dead center). Engine Oil Capacity: 6. To keep it short, BMW VANOS (or Double VANOS on the N55) adjusts the timing of the intake and exhaust camshafts based on the engine speed and throttle opening. Sep 18, 2018 · Absolutely love the thing, but I noticed a little noise inside the cabin that appears to come from the engine. This kit uses all OEM parts and includes - 11318648732, timing chain 11317585020, side guide rail 11317592850, upper guide rail ("slide rail") What is needed to properly time the N55 motor. I found some needles in the oil pan that appear to be the bearings for the rockers. The N20 had problems, the N55 didn't. Ask technical questions, contribute answers, or… This is essential for removing or installing the timing components on N51, N52, N54, and N55 engines. A year after the N20 chain was revised the N20 tensioner was revised. slrgiosgzmqviesgxeogwqioptqjxkdohsgubwahormxmweh