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      07-07-2012, 02:02 PM   #1
E92///M3
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Drives: 2012 E92 M3 Coupe
Join Date: Jul 2012
Location: California

iTrader: (0)

I often should I check on my air filter for cleaning and oiling?

I have a BMC air filter. I live in Cali, not dusty at all...actually never dusty from where I live.