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      03-06-2013, 10:44 PM   #9
mspired335i
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Drives: 2021 M5
Join Date: Feb 2013
Location: NY

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Quote:
Originally Posted by BillionPa View Post
What happens is the oil 'burns' on a hot spot, and little tiny flakes come off over time, and get stuck in the valve lifters, making this noise.

It sounds like a single lifter to me.

On my old V8 a 50/50 mix of Redline 5W30 and M1 0W40 was able to clean most of it out over the course of about 15000 miles...
Solved. It was the air intake clamp

Last edited by mspired335i; 05-18-2015 at 10:48 AM..
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