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Old 05-30-2012, 08:44 PM   #27
Vertigo563
Registered User
 
Join Date: Dec 2010
Location: Charleston, SC
Posts: 38
My Ride: 2004 330i ZHP
I have a similar problem...codes bank 1 too lean, bank 2 too lean, cylinder 3 and 4 misfire. I replaced fuel filter, plugs on 3 & 4 plus changed ignition coil on 3&4. Still runs rough at idle/ shakes at idle. Also a weird tapping noise that has no pattern to it. Need help.
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