Quote:
Originally Posted by BMRLVR
Just a quick note to folks noticing elevated iron levels and correlating it to crank journal wear....... The S65 uses an iron coating on the piston skirts due to the ALUSIL block, that is most likely the source of iron in many people's samples!
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Just so that it's clear to everyone:
Lead for rod bearing wear
Iron for crank journal wear
Correct?
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Current:
16 F82 M4 GTS, Black Sapphire/Black, DCT
08 E92 M3, Sparkling Graphite/Bamboo Beige, 6MT
07 E85 Z4M Roadster, Alpine White/Red, 6MT
99 E36 M3, Techno Violet/Dove Grey, 6MT