Bmw n47 timing chain replacement
Bmw n47 timing chain replacement. 1&2 Series (2011-2021 | F20,F21,F22,F23) N47 Timing chain replacement - any recommendations? Jump to Latest Product information:FlywheelProduct number: 21-20-7-637-279Link: https://bit. info newTIS. Started misfiring, took it to a trusted mechanic who agreed its sounding rough but nothing showed on their BMW OBD reader suggesting that I caught the issue early. It was due a timing chain replacement and they have the best price out there. Recommended Timing Chain Replacement Intervals. 0d N47 engines, and have done for the past 5 years plus, majority of them already snapped when they arrive with us. If you own a late-production N47, you may never end up experiencing timing chain issues. If you would like to be part of the channel permanently here Oct 30, 2023 · This is a link for the BMW manuals I use:PDF: https://shrsl. 01. Please enter your UK REG / VIN Above so we can assure that this is the correct kit for your Feb 6, 2013 · - 11 31 7 797 899 guide rail for upper timing chain. If they say that they will cover timing chain failure, put that letter away somewhere safe. Aug 23, 2012 · As we know, the N47 engine has a reputation for timing chain failures related to the design of the crankshaft sprocket. F30, F10, F25, F20 Apr 21, 2015 · BMW have now announced a recall/quality enhancement (as of end of March 2015), and are offering to replace the timing chain and tensioner on affected engines free of charge. Www. Right before the end of two years BMW standard warranty, the noise came backat only 31. If you don’t drive long distances, it’s recommended to replace the timing chain every 10 to 15 years. Ran N47 engines since 2008, with a combined 3 Series E90 320d (N47) SAL > BMW Workshop Service and Repair Manuals > 2 Repair Instructions | 11 Engine (N47) | 31 Camshaft | 5 RA Replacing Both Timing Chains (M47) | Page 373 Timing chain repairs on BMW models 118d, 120d, 123d, 318d, 320d, 520d, 525d, 530d, 535d, X3, X5 and 730d - engine code N47, M57 & N57 The problem is, it's a major ballache getting to the timing chain on these if you did decide to change it. 13 52 7 797 904 Sliding rail/guide rail for the bottom timing chain. 2006-11 E87 in 118d, 120d, 123d2007-13 E88 in 118d, 120d 2006-11 E81 in 116d, 118d, 120d 2012-15 F20 in 114d, 116d 2009-11 E90 in 316d, 318d, 320d 2009-11 F07 in 520d 2011-15 E84 in X1 2009-16 F25 in Working with the BMW N47 diesel engine in various configurations we have found the most common cause of engine failure is due to a problem with the timing chain assembly. Basically, the timing chain is at the back of the engine, so the engine needs to be separated from the gearbox, and then the engine lifted out partially to replace the chain and the ancillaries. Sprockets, Tensioners and Gaskets OE Quality Parts; This Kit Consists of: 3x Timing Chains 4x Chain Guides 2x Sprockets 2x Chain Tensioners 2x Gaskets. We explore the difference in costs for DIY vs using a Mechanic. Timing chain failure may call for engine replacement or a costly repair. Please enter your UK REG / VIN Above so we can assure that this is the correct kit for your Complete Timing Chain kit for BMW/Mini N47 and B47 2. Only some cars are selected for the recall so you will have to ask first your dealer if your car is included in this action or not. Mar 6, 2012 · 41 -11 7,797,896 chain oil pump. Jun 3, 2022 · Introduction From 2007 to roughly 2014, the BMW N47 was an inline 4-cylinder diesel engine that was used in the BMW 1, 2, 3, and 5 series, as well as the X1 and X3 diesel models. Aug 21, 2022 · BMW DIESEL N57 & N47 TIMING CHAIN REPLACEMENT. My previous car use to be a X3 F25 as well as actual one, but N47 2. Dec 11, 2018 · BMW e90 320d paranoia! (N47 timing chain) Reply OP Posts Only. I'm not sure about BMW, but most diesels are interference engines, and it seems possible that a timing chain could stretch enough to allow piston/valve contact. So many conflicting answers though and tbh, I wish I did replace it at 150k as it’s making the car difficult to sell 🙄 The most affected are BMW N47 engines found in 1, 3 and 5 Series models; however other BMW engines such as N57 – 3. N47 engine is a diesel engine which you may find in below BMW models. Replace the timing chain now apparently costing £2000? 3. The car was well looked after and I did not have major issues with it apart from the high pressure fuel pump which was changed about 18 months ago with a new one. 0-liter gasoline engine may have issues, like the BMW 1 Series. Feb 17, 2012 · update car has been with bmw today and confirmed my model fell in the windows for a new crankshaft. 6 or 2. Dec 13, 2021 · I'm looking for recommended garages to replace the timing chain and associated components on my N47 320D. Do nothing as there are no sounds of early timing chain failure and hope for the best Thanks Aug 18, 2021 · Today, let’s talk about BMW N47 engine. 0d engine MY 2012. BMW N47 Timing Chain Before And After. Just want to check if anyone is SA has had issues with timing chains or is the local e90 power plant built in SA as Find out what the BMW N47 engine sounds like before and after the timing chain replacement. How to remove N47 engine and replace timing chain. Regular oil changes are a must. This is my first BMW and I'm glad to see there is an active BMW forum for Ireland. BMW N47 Manual Timing chain replacement £1,714. My 118d 2008 (5 didn't fall into this category (I phoned every dealership in the UK) so I'm pretty sure your 2009 wouldn't be on the list. Applicable for BMW N47 engines. Because the engines are of an interference type , there is the potential for catastrophic engine damage when the timing is not correct. 0 Stage 1 Remapped on 124,000 miles. 2. When the engine has been running out of time, the valves open and close at the wrong time so pistons can become damaged, along with valve lifters, rockers and camshafts. To be fair considering the price I paid for car, it wont be a Feb 26, 2018 · Ask them to confirm in writing whether they are now excluding timing chain failure from your cover. Dec 30, 2019 · In this video I show you the installation of my BMW N47 engine after replacing the timing chain. BMW experts generally advise that the timing chain in a BMW 5 Series should be replaced every 80,000 to 120,000 miles or 130,000 to 200,000 kilometers. Chain snapped and he thinks he's lost 2 or 3 cylinders. it is defo engine out job - best part of £1k as its usually tensioners, chain, oil and oil filter. Not sure what his mileage was but he's going to approach BMW for some 'goodwill' contribution as he considers the inaccessibility suggests this is a 'lifetime part'. Generally, replacing a timing chain on a BMW 1 Series costs between $1,000 and $1,500. Jun 3, 2022 · The N47 engine series is prone to early timing chain failure due to severe timing chain wear. However in my case, and MANY others, this is too little too late. info beta Home / BMW F31 328d xDrive Touring / Repair Manuals and Technical Data / 11 Engine / 11 31 Camshaft / 11 31 548. Oct 3, 2019 · This following article gives detailed instructions on replacing the timing chain in a MINI R56 Generation 2 vehicle. 03. 13 52 7 797 906 Sprocket for the high pressure pump drive. you Timing chains are supposed to be for the life of the car so they're difficult to replace and usually not as accessible as a belt, iirc the earlier N47 models basically had the engine in backwards so replacing a belt was an engine out job . -13 7,797,904 52 Timing Chain Guide below. So many conflicting answers though and tbh, I wish I did replace it at 150k as it’s making the car difficult to sell 🙄 Feb 6, 2024 · Replacement interval of a BMW X1 timing chain. Jan 10, 2022 · I have 320d e91 2012 that I bought from new. Timing Chain Replac Feb 6, 2024 · Replacement interval of a BMW 5 Series timing chain. At #TheMiniS Apr 17, 2024 · On average, you’ll probably pay anywhere from $600-$1,100 for your BMW timing chain replacement. We always recommend the interval for replacement as 100,000 miles, or 10 years, whichever comes first. so I haven’t. Sep 10, 2016 · There is a big risk best avoid cars with the 177 bhp N47 from 2006-2009 (or 2010, cant remember). The situation is indicated by a rattling… Oct 24, 2022 · Hi All, I have a BMW F21, N47 2. Prev I am getting quotes for the timing belt replacement for £800. One of my friend changed it at 30k kms, some of my friends are still using without any problem while their kms are more then 150k kms Feb 14, 2022 · Certainly better than the 4cyl non turbos. I've decided to have ago at changing the chain myself. 13 52 7 797 906 sprocket for driving the high pressure pump. How to replace the timing chains on a BMW N57 or N47 diesel engine. After only 5000 km my engine was removed/lowered for timing chain replacement. It was diagnosed from the voice. Dec 3, 2014 · 1. 0d 6 cylinders diesel engine and 4 cylinders petrol engines are prone to Timing Chains wear even at as low as 50k miles and with Full BMW Service History! At BMworkshop we do engine timing chain replacement for the fraction of Quick tip and idea how to replace timing chain on bmw n57 engines similar to N47 engines as well. BMW N47 Automatic Timing chain replacement Cost for replacement before the chain snaps on an N47 is £960 plus vat for all 3 OEM IWIS BMW chains, 4 guides, 2 tensioners, cam and pump sprockets, oil sprayer, crankshaft oil seal, injector seals, genuine Bmw rocker cover gasket, associated gaskets, oil and filter, new coolant, air con regas. Sprockets, Tensioners and Gaskets OE Quality Parts; FITMENT. Until they do start utilizing the new engine, BMW continues to use the N47 as a mainstay in their fleet. be/kbOen4EXPOo?si=leV3nz7pKWZwSSCzTorque specs:Upper chain sprocket to camshafts 15NmChain guides (all 4) 20NmUpper Tensioner 70NmLower Looking for an independent garage that specialises in BMW servicing, diagnostics and repairs in Essex, call Dukes Park Automotive on 01245 467 432. Nov 2, 2012 · Its my first post here. or deliver car and catch train or bus home and when fixed collect them , also can diagnoses faults, bring car and i'll give my The N47 and N57 diesel engines have famously suffered with timing chains stretching, causing a rattling noise at idle. Nov 21, 2021 · The timing chain, its guides, and tensioners on BMW's N13, N20, N43 & N47 engines were poorly designed and constructed. With the increasing age of some BMWs, some petrol versions are also starting to develop timing chain issues. com/43mz0 Website for all manuals: https://shrsl. Dec 13, 2019 · In this video I tear down the BMW N47 engine to get it ready for the timing chain kit replacement. My car was built in dec 2007 and it will be repaired by BMW Oct 18, 2016 · Some chain noise is normal on these enginesBMW did a "quiet" recall for early 2007-2008 N47 engines cars, because of a dodgy batch o tensioners causing premature wearing of chain. 4 TSI with 10-20k miles and pay £2000 to part ex 2. Watch exactly how to replace the timing chain kit in a series here: https://www. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > N47 - Changing timing chain - What else should I replace at the same time? Mar 9, 2022 · We replace 6-12 timing chains weekly on the 2. Spend £1,000 on a precautionary replacement, and you won't be significantly worse off in the end. The N47 engine series is prone to early timing chain failure due to severe timing chain wear. 0 Diesel Engines This kit consists of everything you will need to replace the timing chain on your BMW N47 / B47 inlcuding Chains, Guides. 6 Diesel where the timing chain has snapped - in this video we remove and strip the engine. To get notified when I upload new videos to watch on my channel. Dec 1, 2008 · isn't there a periodic check of and limit to allowed stretch? chains, like anything else made of metal, will definitely wear. ly/3uesk5VClutch D=240MM, original BMWProduct number: 21-20-7-638-466Link: https Jan 10, 2022 · I have 320d e91 2012 that I bought from new. The tensioner in these kits is the latest OE design which is now the only design that OE and FAI offer. FAI has recently been made aware of a few rare instances where the thread in the cylinder head is congested with carbon, resulting in the tensioner not fully engaging into the head. Gaz even stayed late on a Friday evening so I could collect as was working all week. May 2013 build, currently on 104k miles. May 26, 2014 · The timing chain, its guides, and tensioners on BMW's N13, N20, N43 & N47 engines were poorly designed and constructed. Part 1 of 4 videos. Timing chains in BMW engines have a general replacement guideline of between 40,000 and 100,000 miles. The first part of replacing the timing chain on the BMW N47 engine Jan 31, 2021 · We replace 6-12 timing chains weekly on the 2. Always follow Feb 29, 2024 · all post 2010 mini diesels have the n47 bmw own engine, these have timing chain issues from some as early as 50k is known some last past 100k , i got one at the moment where someone paid £795 for timing chain to be replaced buy a ebay seller 3 years ago, well it last 38k and 3 years and chains are ratting so bad it seems like engine dropping out, I only fit genuine timing chains via ultra May 20, 2020 · for years i bought bmw diesels until i got shafted by them on a 3 series i bought brand new treated it well 8k oil changes etc, just over 70k timing chain snapped no warning bmw's excuse was owner abuse etc,, then a few years later bbc watch dog program named and shamed them but still they have never fixed the real issue ie tiny chain,, in fact all their engines have same chain issues May 8, 2020 · Hello everyone. NewTIS. That takes an average of 8 hours – but if you have to vent the AC and remove the compressor, it could take up to 12. I'm wondering if I should replace the timing chain now anyway because of the 120km milestone. - 13 52 8 573 158 guide rail for lower chain. i created a thread about it, cant share via phone, search for 'one thing after another' Woodborough garage services Ng146dg BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > N47 Timing Chain Tensioner Google Search Search Forums Timing chain failure may call for engine replacement or a costly repair. Nov 23, 2020 · My Experience DIY Timing Chain Change N47. -11 7,797,899 31 Timing Chain Guide above. Replaces Spoke to these guys in regards to my BMW 320D which has the N47 engine. - 13 52 8 573 159 rail for timing chain tensioner below. It does happen, but it's rare compared to how many N47 engines are out there over 100k miles. But a few, like the BMW 325i (E30 generation), had timing belts. Repair on a Mini Diesel Camchain N47 1. [ 4 ] However, there have been reports of timing chain failure in BMW diesel engines manufactured until 2011. Even though we used a 2007 MINI Cooper to perform this repair, this article can be applied to any 2006-2013 Generation 2 MINI R56/R57 vehicle with minor modifications to the repair steps. Complete Timing Chain kit for BMW/Mini N47 and B47 2. I own it since 2013 and its timing chain has never been replaced. Because the engines are of an interference type, there is the potential for catastrophic engine damage when the timing is not correct. The most seriously affected units which require the most extensive repairs were produced from 01. Will it start?Here is the complete timing chain replacement Jan 10, 2022 · If its the BMW B37engine then its a beast of a job, engine out for chain and chain guides replacement unless someone knows different? I did an engine and upper timing replacement on my B37 Cooper diesel at the very end of 2020. Subscribe For Regular Videos http://goo. Timing chain is on the back of the engine and I don't think it can be changed with engine in place - so suspect you'd be comfortably north of 2k for replacement. Thanks For Watching !! Feb 28, 2022 · Dont have an interval, just service the car every 10,000 miles with correct spec oil and carry on, like every other cam-chain vehicle - should be fine. 2009 - 01. Sep 7, 2021 · Timing chain replacement is around £1,500 but the car is only worth about £2k so I'm not worried about it any more. The timing chain is located at the wrong end flywheel end of the engine. 2007 to 05. Especially BMWs produced between 2007 and 2012 equipped with the N43 2. The N47 engine family is prone to excessive timing chain wear and premature failure. 11 31 8 506 652 Timing Chain bottom. According to the community, the problem lies with the crank shaft sprocket. 2/1. With N47 and N57 the chain needs to be replaced every 200-250k depending on how much you drive. This includes removing the clutch, flywheel, rocker cover, Feb 6, 2024 · N43 engine. Replace my car with a 2012/13 seat ibiza 1. Problems with chains could be a result of the 32k/2 yr service interval - so not an issue for the car you mention. Nov 24, 2023 · The recommended replacement interval of a BMW 1 Series timing chain is every 80,000 to 120,000 miles (or 130,000 to 200,000 kilometers). Since BMW will not own up to the timing chain problem (publicly), the best we can do is to see what the BMW owners community has said about it. They have finally accepted that the N47 engines have a fault. 2011: Renew: 11 31 8 506 652 bottom timing chain. 6 Diesel where the timing chain has snapped - in this video we reassemble the engine. wish i had the time and equipment to do all this myself! might save myself a far bit lol Dec 20, 2019 · The next part of replacing the timing chain on the BMW N47 engine which includes installing the new timing chain kit and starting to rebuild the engine back Feb 8, 2019 · Checking timing chain for elongation and replacing timing chains. Jun 20, 2013 · Hi there Guys, I've been browsing the e90post forum in the uk, and apparently the n47 power plant is prone to timing chain failure due to poorly designed timing chain guides. 0L size engines. My N47 timing chain has failed, what are my options? Unfortunately, many owners end up needing a replacement engine. However, the service was brilliant, work was carried out in good time and to the highest standard. Jul 23, 2020 · FAI's Timing Chain Kit for the BMW N47, the TCK133C. com/43mz2 Click on t Your BMW engine has to be lifted, the timing assembly removed, the accessories removed, and then the timing chain re-fitted with a new timing assembly. Bit of a blow really trying to get goodwill on this repair as bmw are aware of a fault withs the cranks on vehicles from 57 to 09,They also say i need new am sprocets new oil pump new fuel pump and all the timing chains and guilds which i new it neaded them. 11 8,510,014 31 Supply Chain superior. BMW N47 timing chain replacement guide. Ever wondered, “How often should I replace the timing chain on my BMW 5 Series?” Well, let’s address that. They have offered replacement car and very good deal for warranty extension as well. At # Dec 27, 2019 · In this video I rebuild the N47 engine after replacing the timing chain and get it completely ready for being installed back into the car. Always service my oil every 10,000 miles and is currently running on its original timing chain. Understanding the causes behind these timing chain failures and the typical mileage at which they occur is crucial for N47 engine owners. 0d N47 engines, and have done for the past 5 years plus. The timing chain is located at the rear of the engine and requires removal of the enine to replace. BMW experts generally advise that the timing chain in a BMW X1 should be replaced every 80,000 to 120,000 miles (or 130,000 to 200,000 kilometers). Timing chain repairs on BMW models 118d, 120d, 123d, 318d, 320d, 520d, 525d, 530d, 535d, X3, X5 and 730d - engine code N47, M57 & N57 Jan 5, 2022 · We replace 6-12 timing chains weekly on the 2. ly/Carly_GeorgeAusters. Feb 11, 2021 · Mate's pal has just fragged an engine because of this on a 2013 F30 320d. That is too long of an interval for an engine with an already poorly designed-timing chain. Note: it is not necessary to loosen the bolt on the idler for the arbresd'équilibrage Note: the lower chain, use only the rails and tensioners guidageamortis l (see Appendix, page 2) You’ve seen the pictures, but have you ever seen what goes in to a timing chain replacement? #BMW #MINI #N47 #N57 #TimingChain #BMMINITECH #Specialist Feb 6, 2024 · BMW E46 3 Series (330i) For the earlier generations (E21, E30, E36), things were a bit different. The BMW N47 engine has garnered attention due to its susceptibility to timing chain problems, which can lead to significant engine issues and costly repairs. Oct 22, 2023 · How to replace / change your timing chains + timing chain guides + timing chain tensioners + oil pump + camshaft / HPFP timing gears on your BMW N47 diesel engine. Carly offers a free lite version of the app to Nov 16, 2016 · A BMW Ireland spokesperson said: “BMW had issued a ‘technical campaign’ to replace the chain tensioner and, if required, the timing chain in certain N47 engine vehicles produced between Nov 1, 2019 · Which parts are needed for the BMW N47 timing chain kit replacement? Find out what I'll be installing to my BMW E60 soon with this huge BMW car parts haul. Are timing chain systems hard to replace? This video shows how to replace the SKF timing chain kit VKML 88005. A few days ago, a recall action was started for the N47 timing chain problem. Most models had timing chains. 2009. We are BMW Timing Chain Repair Specialists based in Blackburn, Lancashire N47 Timing Chain Issue. 00 inc vat (Not including Clutch & Dual Mass Flywheel) Please note, Clutch & Dual Mass Flywheel will be replaced as part of the repair if no record/ invoice of recent replacement within the last 3 years can be provided as proof. Aug 19, 2012 · 11 31 8 510 014 Top timing chain. Cost for replacement before the chain snaps is £960 plus vat for all 3 chains, 4 guides, 2 tensioners, cam and pump sprockets, oil sprayer, crankshaft oil seal, injector seals, genuine Bmw rocker cover gasket, associated gaskets, oil and filter, new coolant, air con regas. You are far better off with a 6 cylinder diesel at this age they don't have problems with timing Push the Like button and Subscribe To My Channel . Jan 18, 2023 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > [320d N47] Engine cranks but not starts after driving chain replacement BMW claims that the timing chain is lifetime. However, specific timing chain replacement intervals can vary based on the model and year of the vehicle. If they say yes, then cancel it. N47, N47DK0, N47S, N47T, production period 05. 11 31 7 797 899 Sliding rail/guide rail for the top timing chain. Jun 5, 2024 · I'm the prout owner of a BMW F30 318d from 2012 with the so famous N47 engine. The situation is indicated by a rattling noise coming from the engine’s rear. Rattling noise from the rear of the engine is indicative of the condition. It’s on 210k miles now and was serviced by BMW up to 180k miles - BMW advised me that since the timing chain is a Lifetime Part, there was no need to replace…. The N47 is a particularly problematic one and BMW actually had recalls out for various ones in the past. Complete Timing Chain kit for BMW N47 and N57 Diesel Engines This kit consists of everything you will need to replace the timing chain on your BMW N47 / N57 inlcuding Chains, Guides. I got my inspiration and most of the know how from George Auster's fantastic YouTube videos where he changed the chain on his 320D. BMW originally recommended oil changes of 15K miles in this engine. My 2008 BMW 520D with N47 Engine is about to experience some BIG problems. 😕 Jan 10, 2023 · Part 2 of 4 videos. Failure of the timing chain may necessitate engine replacement or a costly repair. The substandard parts on the N13, N20, N43 & N47 engines can lead to the chain stretching Sep 24, 2023 · Part 1 https://youtu. gl/x0Juyl Instagram: Mar 16, 2019 · A couple of years ago, they quoted my colleague's sister about £1200 for the chain and tensioner replacement on her N47 1 series. 2nd Gen. But mine was changed in 76k kms when i was driving a n47 e90. com/43vadOVA: https://shrsl. had mine replaced recently aaron i could hear the start of a rattle, luckily warranty agreed to change before it failed. However, having just searched through Autotrader there are lots of examples of high mileage cars (1, 3 & 5 series) which have in excess of 100,000 miles and right up to 170,000. Mar 24, 2018 · It's best to hear between 00:07 - 00:10 ()About 86k milesBMW 3 F30 2012r 184bhp Feb 12, 2020 · FIXED PRICE ENGINE REFRESH SORT OUT OIL USE AND SMOKING AND TIMING CHAIN ISSUES AND A NUMBER OF OTHER ISSUES MOT FAILED EMISSIONS , PRIVATE MESSAGE ME FOR DETAILS ,REMAPPING AND DYNO , many people all over uk send car. I have a BMW E60 520d, N47D20A engine from 2007 with 210,000 miles (aprox 330,000 km). In 2006-2012, it is widely used in the series 1, 3, 5 as 1. Snapping chain on N47 usually does not damage the head and you only need to replace the chain. . Checking timing chain for elongation and replacing both timing chains Jan 17, 2020 · Now as many of you guys are aware, I recently replaced the timing chain kit on my BMW N47 engine and in the video I want to talk about what I learned from do Oil change intervals of 5K to 8K miles will extend the useful life of the timing chain. This kit includes: Upper, Lower, & Oil Pump Chains Timing Chain Tensioners Timing Chain Guide Rails Timing Chain Sprocket Camshaft Sprocket Front & Rear Crank Seals Loctite 5970 Liquid Sealant Genuine BMW Hardware BMW Oil Spraying Nozzle 1 Gallon of BMW Coolant (Undiluted) Oil filter and BMW TwinPower Turbo 5w-30 Diesel Engine Oil Valve Cover Jan 27, 2023 · BMW 1 & 2 Series General Discussion. Its got a ticking sound coming from the back of the engine, which I've determined is most likely the timing chain. Ever wondered how often you should replace the timing chain on your BMW X1? Well, let’s address that. Save 15% on your Carly device with code "GeorgeAusters" until end of June - http://bit. So I've used this second lockdown to change the timing chain on my E81 120D N47. if chain has caused more damage then bill creeps up. This can fail in many ways, as seen here , however primarily the chain will snap causing a plethora of damage. It is now 120k km and I start wondering if I should replace the timing chain now or sometime later. [/quote] cheers mate, ill give them a call! in need of a new mechanic in general really. The chain is the least of the worries with this engine. I've get a 2008 520 with the N47 engine 120K on the clock. It's not possible to measure the chain with ISTA. 11 27 7 800 523 sprocket (intermediate for balance shafts). 000 km. cgx nnkgfli guiixq ugumpsk tirlqkzs ormwem zieey nnbs dsrld jylxx