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Join Date: Jan 2022
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Tapping sound from cyn 6

I have a 2000 z3 2.8 with 138k miles. I have replaced all the hydraulic lifters and still there
When cold noise is very minimum but as the engine warms up it gets worse. Did a compression test and cylinder 6 is at 160 and the rest run from 210 to 240.
Occasionally I will get a code cylinder 6 misfire but no roughness on the engine is felt.

Any thoughts
Thanks Larry

Old 01-04-2022, 02:41 AM
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Join Date: Dec 2009
Location: SW MIchigan
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Well, sounds like you pined it down to Cyl 6. Bent valve, broken spring?

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Old 01-06-2022, 10:51 AM
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