"Blow By" Oil Residue on Power Steering Reservoir
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08-08-2012, 02:41 PM
Join Date: Sep 2007
Location: SF Bay
Originally Posted by
Looks like a leaky cap o-ring for sure. Make sure also that the PS Fluid level isn't to high (check when engine is warm).
Part #12 here
+1. Had the same issue and replaced o-ring.
2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, KW/M3 susp, Apex Arc 8, Mich PSS
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