Thread: S54 Bearings
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      12-19-2013, 01:24 PM   #7
exdos
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England
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Drives: Z3 M Coupe(S54) and Z4 M Coupe
Join Date: Apr 2008
Location: UK

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Quote:
Originally Posted by Finnegan View Post
Basically a micro peening method used to treat the bearings.
I'm wondering how you can harden lead?
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