CEL reduced power problem 08 E92 M3
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10-30-2012, 08:20 PM
BimmerPost Supporting Vendor
Drives: Harrop SC M3 / E46 M3 / 7Turbo
Join Date: Apr 2008
2008 BMW M3
1990 BMW 735i Turbo
2004 BMW M3
Bad plug, bad coil pack, bad idle control valve, bad throttle actuator..
These would be common issues that would cause that.
If a cylinder went, you'd be in a world of hurt. I doubt it unless you did something out of the ordinary.
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