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Old 11-10-2012, 03:18 PM   #4
Honro
Registered User
 
Join Date: May 2010
Location: Canberra, Australia
Posts: 184
My Ride: M3 E46
My first guess would be the coil packs. But always easiest starting with the simple stuff like your Airflow sensor - just pull it out and spray the mass air flow cleaner on it. If you are mechanically adept, then you can follow this diy on the coil packs;

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