E46Fanatics - View Single Post - FS: 2003 M3 Secondary Air Pump and Valve
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Old 02-04-2012, 07:29 AM   #2
Registered User
Join Date: Sep 2011
Location: South Mississippi
Posts: 1
My Ride: 2004 330i
air pump

So how do you keep your "service engine soon" light from comming on without this air pump. Yes this is my first BMW.
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