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Ignition Coil Primary/Secondary Circuit Malfunction on BMW

BMW

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1 source
  • Official data (NHTSA)official_feed

What P0350 means

Avoid long trips

A general ignition coil primary/secondary circuit fault has been detected. BMW ignition coils are a textbook wear item, especially combined with valve-cover-gasket oil contamination.

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

Common causes

  • Ignition Coil Primary/Secondary Circuit Malfunction

What to check first

  1. Swap-test the suspect coil
  2. Inspect coil connector for corrosion
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