Blowing oil from the filler cap
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02-04-2013, 08:40 PM
Join Date: Sep 2011
Location: TEXAS - Where I give Real World advice and don't just criticize others. People here need to RESPECT other's opinions!
My Ride: 03 325iT SportWagon
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The CVV is the crankcase ventilation valve, BMWs version of a pcv valve. It is located under you intake and can cause oil problems with the engine if it gets clogged or frozen.
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