BMS OCC and RB PCV valve installed(carbon buildup)
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Joined: Aug 2020
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From: California
My Ride: '08 535xi touring, MHD Stage 2, XHP Stage 2
Model Year: 2008
Engine: N54
BMS OCC and RB PCV valve installed(carbon buildup)
while i have a BMS OCC installed as well as a RB PCV valve. how long should i be due for a walnut blast? i know the OCC helps with carbon build up but i hear the OCC doesn't make it "corrosion free buildup"?
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