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      12-24-2011, 06:50 PM   #1
Bisan
Private First Class
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Drives: 2008 M3 & 1988 M3
Join Date: May 2007
Location: Tampa, Fl

iTrader: (0)

Diagnose my beasts spark plugs and codes.

Kind of weird. Basically the front four cylinders are running very lean. I started with 8 plugs and 1 MAF meter.


Car was throwing...

Bank B (passenger side) MAF meter
Misfire under 1500 RPMs
Multiple misfire without cutoff
Multiple misfire with cutoff
Misfires 1,2,3,4,5,7 with and without cutoff

Also found a torn ignition coil ground that I fixed as well. Let me know what you guys think.

I suspected bad coil packs here are packs 4,3,2,1 shown below.