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      08-08-2015, 02:57 PM   #55
Killerfish2012
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Drives: E90 335I, E92 M3
Join Date: Feb 2012
Location: Midwest

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Quote:
Originally Posted by Doc Oc View Post
Here is a better picture of the parting line wear my old bearings experienced. Any ideas?
http://www.agkits.com/bearing-failure-analysis.aspx

Look at the pictures for Corrosion. Chemical corrosion from acids in oil due to excessive oil change intervals.
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'07 335I w/ Mods
'13 X1 Stock
'11 X3 K&N
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