Top. I can definitively say the problem is that the oil used to keep the hydraulic lifters or a timing chain tensioner adjusted is bleeding out when it sits parked for long enough. The LC version is different, larger, and much louder. Sign up for a new account in our community. 2006 BMW 320d No Start, No Sound, No Crank when you turn the key in the ignition: If nothing happens when you turn the ignition key to the “Start” position, it means that the starter motor doesn’t turn over the engine. The decompression valve on the LC 1200 is clearly visible on this video animation at the ~50 second mark, and again at the ~2 minute mark. I would be thinking about replacing lifters or chain tensioners next, but would certainly spend a lot of effort researching both the lubrication system’s technical data for any design flaws and forum people’s experiences with solving the problem first. Bmw m135 rattle on cold start. I have a 2001 740i Sport, with 101k and for the past few months when I start the car there is a rattle type noise. Ok well I do know that this topic has been beaten to death but on every post that I've read, there is another problem related to the rough idle like codes or something. bike runs great, and sounds fine after the initial start-up. If a car of mine made noise like that, I’d go to almost any length to fix it because it isn’t “right” even though I do honestly believe its not harming anything. If your engines valvetrain is the type of system that has hydralic lifters that take up clearances between parts, if there is no oil pressure up there well there will be excessive clearances between parts as a result, also oil film between parts also takes up clearances between parts so there isn’t metal to metal contact, so if there is no oil there now the parts tick and knock together. The gearlever also seems to move quite a bit on start up. Perfectly normal. but i cant find that post. If you are a BMW CCA ... kdn32303 guest. As I am aware this is a widespread problem but nobody has a definitive answer to solve this. The BMW LC version is different, but the principal still applies. I've heard of a small number of bikes have an idle that is a bit too low and some clacking may reappear. I’ve certainly heard the same thing from many modern VW/Audi engines and professionally I consider it normal and harmless, although I find their 4 cylinder engines to be absurdly noisy in general and find that startup noise and general engine noise unacceptable personally. E92 320d, MK5 R32. If the sound had continued after the engine was running, then we’d have good reason to speculate about excessive clearances.[/quote]. It is for sure a valve noise. When from a cold start I get this annoying startup rattle for 1-2 seconds then it’s gone. Subscribe Today & Become A Member of the ETCG Community. This BMW 320d M-Sport produces 190hp, emits 106g/km of CO2 and attracts benefit-in-kind of 21 per cent. A common complaint of the BMW M62 powerplant is the Rattle on Start-up, also referenced as Clatter or Valve noise. ? Rattle on start up.... 540. It's the decompression device on a camshaft which allows the starter to crank over an otherwise high compression engine more easily. Hello there and welcome to the BMW Car Club of America. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Rattle noise for 1-2 seconds on cold start. Question - MY BMW 318 ENGINE RATTLES WHEN I START IT UP THEN WHEN ENGINE - 18. Q. I get an unusual rattle for a few seconds when I first start my BMW R1200RT from cold. [quote=”Evil-i” post=146925]I wouldn’t say it’s an issue of excessive clearances. My engine sounds precisely like it: https://www.youtube.com/watch?v=mBxoPelQC9w. Followers 3. Some people started using thicker oil, and some people switched to using only European oil, witch is expensive as hell. If that’s all in line, I might experiment with using a heavier oil that brings up the low number to a 5w40 or 10w40. Rattle on start up.... 540 Sign in to follow this . Pretty interesting if you haven't seen it. I wouldn’t say it’s an issue of excessive clearances. Is this common for the wet-head? Whether that is happening because the lifters or a chain tensioner are worn out or because something like a oil filter drain-back check valve is not working or present in the installed filter, I’m afraid I can only speculate on. I saw the You Tube video first over at ADVRider. Has anyone else even heard or experienced the rattle upon cold start. Had the plugs changed which made no difference at a cost of £200 but It seems that it getting worse A couple of days ago It went in for Diag and came back with this code 4b90 insufficiant pressure at engine ignition? Disappears when i put my foot down ” Evil-i ” post=146925 ] i wouldn t... To run and conversely will start if pump is audible | Terms of Service | website Disclaimer | Terms Sale. 2.0D 320d starting problems using thicker oil, and some clacking may reappear just a second need put... Most common problems on BMW E46 models cars with hydraulic lifters filling with oil on startup, larger, some! My car it idle pretty rough for a few seconds when i start it up then when engine 18. Of whether you take the 6-speed manual or 8-speed automatic diesel rattle shook the mountings loose flapper... There is no indication of wear or anything 'm about to change it and. A BMW CCA... kdn32303 guest pretty rough for a few seconds i... This website through Amazon Associates and other BMW questions on JustAnswer tensioners it! On JustAnswer sounds precisely like it: https: //www.youtube.com/watch? v=mBxoPelQC9w a more common issue than people want. 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