Thread: timing chain tensioner
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Old 03-14-2020, 10:29 AM
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andrewwynn andrewwynn is offline
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The spring only is for the first few seconds into oil pressure builds. The bigger problem is when engine is under power and not enough real pressure.

I've helped a guy that caught this just in time and it sounds like you have very similar symptoms. The key being that the main rattle disappears at idle as oil pressure builds.

I haven't found in manual etc what is the BMW take on service life but I would use 60,000 miles on the M62.

The N62 uses a different system not so fragile and I think the m54 might use similar.
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