BMW M57N2 timing chain slap

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This slapping , ticking Noise is apparent when engine is warming up.Not at cold start, not when warm. WHAT IS IT???
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not yet. soon going to change timing chain and guides and will write back.

zanezilla
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The slap noise was the chain.not badly stretched but still...got it changed without removing the sump.it is an x3 e83 3.0d m57n2

zanezilla
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Bad news.This sound is from timing chain.I have changed the top and bottom chain, and my mechanic managed to do it without removing engine sump.But it was a 25 hour job.Parts cost me 500Euro, Labor here in Romania cost me 350 euro, because he is a friend.

zanezilla
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It is unusual for m57 to have this. Mine 335d drove for 260.000km with 350hp/700nm without any problems and is still running.

zippodk
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I have the same noise. Next week I will change the timing chain.

playmusic
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Take oil filler cap off you’ll get a better idea of type of noise. Chain or lifters

muirallie
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Most problems have suv I don't know why .

warriorgrom
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Tappet Tick from the valve springs I use Halfords Hydraulic valve lifter fluid in mine.

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