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Registered
2005 330ci
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56 Posts
Any video of the sound?

Last time I came home from Roebling Road, I noticed a thumping sound between 2000 and 3000 RPM with light throttle. Compression is great and it runs and drives normally.

I’ve replaced the DISA, lifters and all of the timing components, including tensioners.

I still have the noise and it seems to be worse when the engine warms up. I assume that’s because expansion.

I’m headed to a friends house for Thanksgiving, and will have him help me pull the cop connections while raising the RPMs to see if it’s a bearing.
 

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Registered
2005 330ci
Joined
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56 Posts
Your right. I’ll see if he can come to my house to help.

When I did all of the timing chain work, I had to remove the oil pan. I should’ve inspected and replaced the bearings while it was open.
 
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