Description
This is the sound my car makes on a cold start. You can hear a diesel-like rattling for the first 2 seconds and then a quieter but still noticeable idle noise. I suspect it is due to a weak chain tensioner. If anyone is familiar with the N42 engine please let me know what you think.
Keywords
BMW, e46, 318i, 2002, n42, engine, startup, noise
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