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Cylinder6 Misfire Detected on BMW

BMW

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1 source
  • Official data (NHTSA)official_feed

What P0306 means

Avoid long trips

Misfire detected specifically on cylinder 6. On inline-6 BMWs, cylinder 6 is the rearmost — often the last to get attention when a valve cover gasket leaks along its length.

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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.

Common causes

  • Cylinder6 Misfire Detected

What to check first

  1. Swap-test coil/plug on cylinder 6
  2. Inspect for oil in the cylinder 6 spark well
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