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MCM5 · 02-05-2013, 01:11 AM

I know what you mean as I have the same issue. just like you, I asked dealer to check at break in service & they said it's normal.

I wonder if it has anything to do with the air boxes having the holes.

02-05-2013, 01:11 AM	#7
MCM5 Private First Class Drives: MCB F10 M5 Join Date: Oct 2012 Location: Hong Kong Posts: 115 iTrader: (0)	I know what you mean as I have the same issue. just like you, I asked dealer to check at break in service & they said it's normal. I wonder if it has anything to do with the air boxes having the holes.