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    • BMW N62 Secondary Air Injection Repair Kit - Duration: 8 minutes, 21 seconds.

      • 6 years ago
      • 51,924 views
      Applies To All BMW N62 Engines With Air Injection

      Symptom: Car won't pass smog test because air injection flow is too low (codes P0491 AND P0492)

      Typical Repair Solution: Remove the cylinder head...
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