Thread: Oil catch can
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      02-15-2014, 11:09 PM   #14
924er
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Drives: 2010 335i coupe
Join Date: Feb 2014
Location: Socal

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i personally think its useless. walnut blasting is getting cheap, only 350 at some places. might as well do that every 50k miles and ensure no carbon buildup for sure.

most BMW mechanics laugh whenever i ask about OCC lol