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06 X5 3.0 Code PO302 PO303 PO 305 and PO300 Misfire
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07-20-2021, 07:19 PM
cn90
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Join Date: Jun 2014
Location: Omaha, NE
Posts: 1,726
Multiple misfire codes:
- Air leak, check again and again.
- Bad ignition coil, but usually just 1-2 bad coils.
- Spark Plugs getting old...
- Bad gasoline (contaminated with water).
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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
cn90
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