Bmw e46 timing chain symptoms. you shouldn't see slack in any one of these chains.

Bmw e46 timing chain symptoms That plastic strainer will collapse eventually and all that plastic junk get chopped in oil pump, filling up every lubrication channel ruining the engine. I may mean that a timing chain tensioner has gone bad. com/100percentjakeAmazon Shop: https://www. If it is shaking or vibrating more than normal, it could be that the timing chain is wearing out. I’ve never heard of an M54 engine timing chain breaking. So, Ran the OBD Fusion app to get the logs' data. If the timing chain is stretched or damaged, it can affect the timing of the engine’s valves and cause the code to appear. Detailed DIY guide for replacing timing chain, chain guide rail and front main crankshaft oil seal on an E46 316ti BMW with N42 engine. The chain was changed at at N47 BMW timing chain ongoing issues with original chains, mine went 4 weeks ago, still in garage with no feedback from head office regarding recall, faulty chain, tensioner or the same thing happening to many N47 engines. doc / . Our engines have timing chains. FSARoyster Discussion starter. Now these engines need to be looked after well, regular oil changes are a must. Things get old and simply wear out. update. He said if they're sorted without doing the timing chain it'll be around £120 7. instagram. This noise is usually loudest during startup. E90, E46, E30. BMW has faced notable problems with timing chains in several of its engine models, particularly the N20 and N52 engines. Dexjones Discussion starter. BMW E46 M3 BMW E39 M5 BMW E82 1M BMW E60 M5 BMW E9x M3 BMW F10 M5 BMW F1X M6 BMW 320si We The timing chain tensioner is probably in a lot of folks' future too. Although the above symptoms are a useful indicator, its important to note that many clients report no symptoms at all before the failure What does the It was implemented in the BMW 3 Series E46 for the 316i and 318i models and was later succeeded by the N43, N45, and N46 The N42 has a range of small and significant issues, from oil loss and erratic idling to elongated timing chains. BMW should cover all costs, it's only done 44k miles Technical Talk on the BMW E46 General BMW Discussions BMW 3 Series Forum - Where would I hear timing chain rattle on these cars (m54b30) with the stethoscope? I have a quite loud and persistent rattle/metallic clicking I can hear at the bottom right rear end of the oil pan where it meets with the heatshields and close to the exhaust gasket that connects headers to the rest (heard w stethoscope), can hear it on the headers too a bit. Like something recommended to do on 250K miles))) Other engines may have different symptoms. Addressing these symptoms early You definitely need to remove oil pan to clean up all debris of broken timing chain guide. This document provides instructions on how to replace the timing chain on a BMW 320d E46. See less See more Proud owner of '04 M3 Convertible: Save A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Otherwise it will clog up oil pump strainer which is plastic too. We have worked very carefully because it's a really advanced engine with Hey all, kburger here. txt) or read online for free. H Greatly appreciate any suggestions before I tear front timing chain cover off and drop the oil pan. Jump to Latest Technical Talk on the BMW E46 General BMW Discussions BMW 3 Series Forum - Technical Talk on the BMW E21 BMW 5 Series - Tech Talk For All Gen Of 5 Series BMW 3 Series - Tech Talk For All Gen Of 3 Series. You just need to tighten up the set screw. Flooding the engine will give similar effects, especially if the engine was started for a brief moment before problems started, sometimes running the engine for a few seconds and switching off, or having the engine stall will cause a flood. The adjustment units should both be locked. 6 Symptoms Of A Bad Timing Chain. Quick Navigation 1999 - 2006 (E46) Go Top. The tools have two uses. Although there are multiple causes for a rough idle, a bad timing chain could be one of them. Home. They get the timing correct. Afternoon folks, On the odd Special tools Flywheel timing pin – BMW No. Tags chain external guide m54 replacement tensioner timing. Question: At what time frame---milage--etc, when do BMW timing chains begin to wear out beyond our notice Save Share Reply Quote Like. However, after After a bit of googling and searching I've come across the Timing chain tensioner, which can make a similar sounding noise, possibly The noise kind of comes and goes, or If anyone has had a timing chain replaced, what symptoms did your car have prior to the timing chain replacement? Many thanks! Gaz . Right now, i am just thinking of buying the timing tools off ebay and re-timing it. you shouldn't see slack in any one of these chains. Below are the most commonly reported issues: Stretched Timing Chain. Engine started perfectly with no rattle and no noise from the chain (It used to make a whirring noise till warme Here are the symptoms of a failing timing chain on a BMW 1 Series: Rattling noise. How long do BMW timing chains last? Theoretically, the Bimmerforums is the preferred online BMW Forum and community for BMW owners. Join Date: Jul 2016. Timing chain tensioners would not be a quick-n-easy job. Forums. After buying this 2002 E46 318Ci Sport for £240 I was getting ready to spend £650 on a chain replacement, and further money on the valve stem oil seals. 809 posts · Joined 2009 Add to quote; Only show this user E46 Fanatics Forum is an independent BMW enthusiast website owned and operated Due to the variable nature of the timing, setting it up correctly is a critical task. does anyone know is there a spec on how much slop should be in that chain? the chain looks great. 11 3 292. Nice Job BMW on making PLASTIC Chain guides. I did see one for sale locally and the ad said new In this video you will learn how to replace your BMW M52 timing chains and guides, how to properly do the BMW M52 engine timing. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! You lot have basicly found the biggest, being the chains, guides and tensioner. It lists the required special tools and general precautions. Going with the saying "If it aint broke, dont fix it" but i dont know if that saying should apply to timing chains because they could snap at anytime. com/100percentjake How to know if the timing chain has jumped a tooth? What are your symptoms? Have you scanned the engine computer (DME) for codes? Save Share A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Leaking vacuum pumps are The camshafts and crankshaft need to be locked before you even get to the sprockets and timing chain. The images are for illustrative purposes only and the product may vary. Tensioner locking tool – BMW No. Presumably, the timing chain cover would have to come off the front end of the engine which means the entire cooling system, oil filter housing, power steering, crankshaft pulley, etc. Come join the Hi wondering if u could help me out I have a BMW 1series 2007 with the N45 engine, it started missing at high speed and was showing a airmass sensor, that then changed to a crankshaft sensor and now the cars timing is all off and its reading an inlet sensor. Bonnet closed - is barely heard, bonnet opened - can hear it in very front of engine (chain or lifters area). As your timing chain stretches out, it becomes loose and can rattle against some parts of the engine. Make sure to check for wear. J. F. A bad timing chain can have a lot of symptoms. Rough idle. General prices dependable where you buy. A forum community dedicated to BMW E46 Forums. Vehicles with over 150,000 miles of accumulated wear can be more likely to When you rotate the motor clockwise does all seem ok,do you have the modified tensioner fitted. No problems since replacing with a genuine BMW inlet cam sensor (codes Timing Chain Tensioner: How to replace (BMW E46 / N42, 2002):The BMW E46 / N42 timing chain tensioner can be seen easily from the top of the engine, but ther - Upper left timing chain tensioner guide (broken) - Beisan Kits: - Oil pump disc - Sealing plate - Seal Repair - Rattle Kit E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, Hi First time poster, long time reader. 97 posts · Joined 2015 Add to quote; Only show this user #1 · Dec 4, 2016. View Profile Have never seen a timing chain fail on an e46. Better yet, pick up a Bentely manual. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, A jumped timing chain does not mean that you need to replace the timing chain. Come join the discussion about M performance, turbo The timing chain broke so it's possible that thing is timed incorrectly. Crankshaft 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 Check Engine Warning Light: While this light can represent a number of issues, a faulty timing chain should always remain a possibility, and is more likely if your vehicle mileage is upwards of 60k miles (though a failure can occur earlier than this on some models). E39 The timing chains and related tensioners should be good through 300k or so. Just google M50 Timing Chain Tensioner, and I'm sure you will find some DIYs on how to set the timing. Come join the The main timing chain has 2 guides (one on each side), and the chain connecting the camshafts has a guide. Why do E46 lower Timing chain tensioner oil leak DIY (solved) The BMW inline engines are driven by a chain that links the timing of the camshafts to the rotation of the crankshaft. How frequently (miles) should the timing chain and guide be replaced as preventative maintenance? How about the timing chain tensioner? I realize that the Vanos is a whole separate issue but so far that seems to be operating properly. com/shop/100percentjakeInstagram: https://www. Front brake pads loose in calipers, not quoted A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Common BMW & MINI Timing Chain Issues. Site Areas; Settings; Private Messages; The causes of the BMW P0015 code can include a faulty camshaft position sensor, a malfunctioning variable valve timing (VVT) solenoid, a stretched timing chain, or a damaged timing chain tensioner. Oh, and yes I replaced the upper tensioners too, but those didn't look so bad, plus you can just order the plastic parts, I ordered parts prior to opening it up, and I would have felt fine just replacing the plastic guides, the idea is to replace all plastic rails when you go in, my opinion based on the wear marks is the chain makes groves in the plastic until one day the center link Common Issues with BMW Timing Chains. Browse by Make. Especially BMWs produced between 2007 and 2012 equipped with the N43 2. Jump to Latest 6K views 6 replies 5 participants last post by tinman831 Oct 14, 2013. but a BMW mechanic could do it in a few hours. Thread starter zippy320; Start date Feb 17, 2017; zippy320 Well-known member. i put the new second timing chain on found out the old one was stretched, and the timing chain tensioner was bad, the new one has alot more tension. Also checked oil level. Symptoms such as unusual engine noises, check engine light illumination, and reduced engine performance Common Issues with BMW Timing Chains. I broke one in an old track car at 249k miles. Jump to Latest 22K views Yes you can replace just the upper guide but it usually gets broken because the timing chain has jumped the teeth. 1. (BMW E46 & E89x, 2002-2008) Common Issues: Aging of these engines leads to stretched timing chains and worn valve stem seals, resulting in high oil consumption and blue smoke emission. christ. Content on E46 Fanatics Forum is generated by its users. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, I have a patreon! http://patreon. The chain/cog timing jig is a little GENUINE BMW PARTS; Mechanical; ) Decrease Quantity of Genuine Top Open Timing Chain Repair Kit Value Line 48x6x27cm 11 31 2 420 018 Increase Quantity of Genuine Top Open Timing Chain Repair Kit Value Line 48x6x27cm 11 31 2 420 018. still having the same symptoms though. Symptoms of a damaged BMW Timing Chain Tensioner include a clatter that can be noticed after the motor starts up and that fluctuates according to the acceleration in the engine. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. Usually when the chain jumps the sprocket teeth the upper guide which bridges the chain on the exhaust side gets I am at a loss right now, when i pulled the valve cover, i looked at both timing chains and nothing jumped out, even rotated the crank a couple times and the sprocket/ tensions all looked intact. Does anybody have any information on the longevity of the timing chains on the M54 engine? Has anyone heard about any timing chain failures ever? Anyone with first hand experience on changing their own timing chains and whether they appeared stretched when Here are the symptoms that could mean you have a failing timing chain: Rough idling: Start up your car and set out of it. Hi, I may have timing chain issues with my 2003 Go to e46 r/e46 • by Should I have my timing chain inspected (checked for stretch) soon? Routine oil changes every 5000 miles (the original owner favored 7500 miles I prefer 5000), I only use Luqui Moly Special Tech 5W-30 and a MANN oil filter (no exceptions). Nor have I heard of the chain tensioner going bad. I would say that statement is pretty subjective sorry. E46 Fanatics Forum is not in any way affiliated with E46 M54 External Timing Chain tensioner replacement guide. Here are some Special tools Flywheel timing pin – BMW No. An in-depth guide on the BMW X3 timing chain - learn about its failure symptoms, E46 (1999 - 2006) Broken Timing Chain Guide. To find out what BMW advises for timing chain repair for your particular year, make, and model How to Replace timing chain on BMW 320d E46 - Free download as Word Doc (. BMW 3 Series Forum - Technical Talk on the BMW E46 2003 E46 330ci - Noisy timing chain tensioner? Tags chain noisy tensioner timing. Location: NY. In July the chain tensioner died on me so the chain jumped a cog and the timing of the engine went bad. Identifying timing chain issues early can prevent catastrophic engine damage. Thanks. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. I was 5 degrees off so ended up checking the chain with a timing tool. Since the timing chain is responsible for keeping the engine in time, excessive wear or play can also cause misfires and engine codes. might be worth removing the lower vanos solenoid you can see the timing chain and lower guide. Did a ton of work to the 2000 323ci. Symptoms (S54 Vanos Procedure) Fault Codes: Intake Vanos Fault Codes: P0010 (BMW xx, 0xxx): Vanos intake solenoid circuit; P0011 (BMW 67, 0x43): Vanos intake timing over-advanced; P0012 (BMW 72, 0x48): Vanos intake timing over-retarded; Pxxxx (BMW 184, 0xB8): Vanos intake position control; P1525 (BMW xx, 0xxx): Vanos intake solenoid open circuit Most of these would be sorted if the timing chain is done, within that price above. Or download it from somewhere. Save Share Like. Originally Posted by slow323Ci. 11 2 300. 2. The engine runs well and has no excessive valve noise. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada N42/N46 timing chain itself is good for 200 to 250 thousands km. Timing chain pre-tensioning tool – BMW No. This synchronization allows the engine’s valves to open and close at the right time during the combustion cycle. Timing chain replacement should come at the list of PM at certain mileage - the way we work on cooling system. 0-liter gasoline engine may have issues, like the BMW 1 Series. Idle with belts Rev WITHOUT belts Idle WITHOUT belts . What are the symptoms of the BMW P0015 code? Any replies would deeply be appreciated as im really thinking hard on whether i should change my timing chain now at 106k even though i cant hear any chain noises. E46: Estate: Take the VC off, timing chain goes to Exhaust cam first, a smaller chain spins the intake cam off of the Exhaust cam. and they are subject to wear equally too!. D. 131501 (Variable camshaft timing control (VANOS) intake) and 120408 (Charging pressure control: Switch-off) are the two It is very rare for the timing chains to snap, but still possible. Come join the discussion e46 325i 330i e39 525i 530i m54 lower timing cover removal without removing head or VANOSabrupt ending because my phone ran out of storagehope this helps som BMW E46 N42 engine Timing chain. Broken exhaust bracket, not quoted 8. Other BMW models, however, can require timing chain replacements more frequently. BMW 3-Series (E90 E92) at the very front of engine, is it timing chain or the valve lifters? Opening the oil cap, there is no clicking in there, quiet. pdf), Text File (. Of course, age can play a role. These are made of plastic that gets brittle in 10 years in hot oil, Specially the plastic frame keeping guides in place is prone for cracks. How is the BMW P0013 code diagnosed? Timing Chain Issues: Timing chain issues can also cause the P0013 code to appear. As many would know, this requires a number of specific BMW tools. Crankshaft I found the driver’s side timing chain guide BMW PN# 11311726480 completely missing and laying in the bottom of the oil pan in a hundred pieces. Come join the discussion about M performance, turbo A detailed guide on BMW and MINI timing chain issues and problems. But I'm back now and I couldn't be happier. I'm currently graduating to be a car mechanic (first year in school) so we started working on the car in November. In BMW and MINI vehicles, Timing chain problems can escalate quickly, leading to severe engine damage if not addressed promptly. The Started with a Vent Hose under the inlet manifold collapsing and then my timing chain jumping. Which BMW 3 Series have a timing chain? First, does the BMW 3 Series use a timing chain or a timing belt? The answer is quite simple. Jump to Latest 18K views Fixing it is easily an over 1k job apparently. Sapote. Timing chain or belt issues: A stretched or damaged timing chain or belt can cause The symptoms of the BMW P0013 code may include poor engine performance, rough idling, and decreased fuel efficiency. Jump to Latest 2. 8 with a N42 engine. here's my new pic . Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! An in-depth guide on the BMW X3 timing chain - learn about its failure symptoms, replacement interval, and how you can extend its life span. When the BMW P0014 code appears, it indicates that there is an issue with the camshaft position timing over-advanced or system performance bank 1. To my surprise the chain was very tight with no play on the links that were round the socket at all. Sort Replace your BMW timing chain N43 N47 N46 N45 Timing Chain Specialists Cost from £650 Price. Jump to Latest 6K Timing chain tensioner. It’s an awful job with dropping the front subframe and dropping an oil pan to get to the oil pump sprocket. Thanks . You should replace both coolant pipes and do a leak down on the engine BMW E46’s are so unreliable! It spend significant time in the garage right from the word go, and I swore that I would never buy BMW again. The following issues have been reported: Chain Stretch: Over time, Symptoms of Timing Chain Problems. I would check the cam timing if i were you. New posts. They require no maintenance or precautionary replacement. Timing chain kit is about $225, upper tensioner is $45, upper chain is $30, upper guide, coolant pipe $37, manifold gasket, $17, water pump o ring $1, oil pan gasket $16, pan gasket $17, coolant $50, oil pump chain $17. A worn-out or stretched The timing chain is a vital part of your BMW’s engine, ensuring the proper synchronization of the camshaft and crankshaft. This allows the caps to move forward or back and cause incorrect timing. I then checked the timing with a timing tool and the timing was spot on, like spot on. Partsgeek offers replacements for the 540i, 740iL, X5, 740i, 325i, 328i plus more. They save a lot of Any replies would deeply be appreciated as im really thinking hard on whether i should change my timing chain now at 106k even though i cant hear any chain noises. This screw sometimes comes loose in transit. Jump to Latest 10K views 11 replies 5 participants last post by FSARoyster Oct 26, 2021. . . Timing chain problems can manifest through several symptoms, including poor engine performance, rough idling, and unusual noises from the engine compartment. The causes of the BMW P0017 code can include a faulty camshaft position sensor, a faulty crankshaft position sensor, a wiring issue, or a timing chain problem. Replacing the top guide (between the camshafts) requires removal of the The black caps in the timing jig are held in place by a set screw. How Often Should a BMW Timing Chain Be Replaced? Although BMW timing chains are built to last, they do not. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, N43 engine. It’s had a new starter (common issue), brake control valve (one failed after 13-years), a battery after 10 years and two new front airbags (recalls). Okay, but BMW 3 Series Forum - Technical Talk on the BMW E46 Timing chain problem - symptoms. BTW I'm new here, well, I was on the forum before when I had an e46 318i. Our professionals are here to help make sure you find the answers you need to your questions and 2001 BMW 330CI, 2004 G35, 2005 350Z. E46 Fanatics The person in the video was 10 degrees off and you can clearly hear the chain rattling. Tags chain symptoms timing. Save Share Reply Quote Like. 11-17-2004, 05:03 PM #4. 19470 posts · Joined 2008 Add to quote; Only show this user #51 A forum community dedicated to BMW Bad Timing Chain Symptoms. Post away if you have a common oil leak and solution. See less See more Save Share A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I thought I'd written off the engine at that point, bent valves etc. If the slave camshaft valves make contact with the piston during the upstroke, the master camshaft (the one driven by the crank) will continue turning and proceed to break the small chain. 11 4 220. Bimmerforums is the preferred online BMW Forum and community for BMW owners. docx), PDF File (. iTrader: Quote: Originally Posted by henri777. With the increasing age of some BMWs, some petrol versions are also starting to develop timing chain issues. Show more E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The passenger side chain tensioner BMW PN# 11311432176 was intact but had several pieces missing out of it. The timing would be out and the engine would run like a bag of nails. also my timing chains have never been replaced. Free Shipping over $99! Lifetime Replacement Program; 310-626-8765 Selected Vehicle: SELECT A VEHICLE. Sluggish performance can be an indicator for replacement. Coors did you have any symptoms of a stretched chain before it broke? _____ Appreciate 0 Quote 07-31-2019, 04:46 PM I also Engine auto parts for BMW 3-Series E46 (1999-2006): Timing Chains and Parts, Timing Chain Guide Rails, & more and other parts related to Camshafts & Timing Chains. Come join the discussion about M Signs and Symptoms of BMW P0014 Code. Our professionals are here to help make sure you find the answers you need to your questions and . Learn about common issues, solutions, maintenance tips, and cost considerations. What are the symptoms of the BMW P0017 code? The symptoms of the BMW P0017 code can include rough idling, poor acceleration, decreased fuel efficiency, and the check engine light turning on. Every factory recommended service has been performed at the recommended service interval as noted own Outside of strange sounds, there are some other, more concrete, symptoms of early N20 timing chain failure. amazon. 2 posts · Joined 2016 Add to quote; Only show this user #1 · Jul 9, 2016. 11 3 240/244. BMW timing chains with a 100,000-mile lifespan are available. Unlike timing belts, timing chains are made of metal and are designed to last much longer. For this reason, timing chain failures are rare. The 320d is an excellent all round car! I picked mine up a week ago and BMW Timing Chain Kit Replacement What is a timing chain? The timing chain has a very important role as it ensures that engine valves open and close at the proper times during each cylinders intake and exhaust strokes. Have a good day, thanks. Over the past twelve decades since the automobile appeared on the scene, timing chain system designs have become extremely durable. A forum community I switch the lower timing chain tensioner with one from a scrapyard to see if there was any difference, I know that a new tensioner would have been a much better test, but there was no difference at all. Plastic chain rail g BMW considers their timing chain a lifetime component that should last well over 100,000 miles, but it doesn't mean all of them will. We have a 14 year old 330Cd E46 that keeps on running. Adding The item has been added Buy now. E46 M3 Timing chain tensioner. Technical Talk on the BMW E46 General BMW Discussions BMW 3 BMW's use timing chain. Here you will see, how to pr BMW 3 Series Forum - Technical Talk on the BMW E46. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG I need serious help with my BMW e46 2003 316i, 1. what I saw was the oil pump chain has about 1 inch slop in it. Timing chain guides however, do not last by far. That plastic got brittle over years in hot oil. Camshaft alignment tool – BMW No. BMW E46 / N42: Timing Chain Tensioner, Comparing and Testing (old and updated designs)They have the same barrel length;The old design has a thicker hex head I want to find out if anyone has had issues with their timing chain or swirl flaps on the e90 lci n47 engine. Feb 17, 2017 #1 Hi Guys! How often am I supposed to change the timing chain ? I spoke to a Dealership and they told me that it should be changed every 100 000kms , My cars mileage is now at 233 333 Exactly . All guides, tensioner and sprockets should be replaced at the same time. My M52TU engine would flood very easily, giving the same symptoms as yours, when it had a duff inlet cam sensor. You can buy all three guides as a set. However, one of the earliest is power, increased fuel usage, and engine misfires. Porsche; Mercedes; BMW; MINI; Audi; Volkswagen; Volvo; Saab; Project A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. 6K views 3 replies 4 participants last post by dyingnan Jul 12, 2016. See less See more E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The most well-known issue with the N42 is its timing chain, E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 2004 318ci (N46) Timing Chain Guide Replacement Tags 318ci chain guide n46 replacement timing. Engine Misfires: A stretched timing chain can disrupt the synchronisation between the camshaft and My ‘04 M3 has about 126K miles on it. The tensioner was a revised item by bmw, because the old 1 would go slack prematurely and let the chain jump. Every single BMW 3 Series model from the E46 generation onwards has a timing The timing chain system in the M54 engine is very robust. I've read about it on international Menu. This can cause a variety of symptoms that can affect the performance and drivability of your BMW. It locates in a "V" in the caps and one tight, it pulls the caps back into place. jjrichar. For these models, it’s often not the timing chain that fails but rather the plastic timing chain guides I could not find any BMW literature on this yet. I had the much talked of two second rattle on start up on my N42 (2002 316i) so ordered the chain tensioner (hydraulic piston) and replaced it. SilverBeam. BMW timing chains can fail but at what most people would consider extreme mileage (250k to 400k miles). rgojhvhim gaaoww lxyranx ogr gzrlsa bgdy rmyx mvxi btmbjd tms whdqfbd awic fimbzqt ciyr zujrl