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2000 BMW X5
4.8L V8•AWD•gas•N62
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor520Torque138Fluid10DTC873Battery1Maintenance0Recalls6
29D0high severityPowertrain

Misfire Cylinder 5

on 2000 BMW X5 4.8L V8 · AWD

What this code means

The engine control module detected a misfire on cylinder 5, meaning combustion is incomplete or missing. This is the BMW equivalent of OBD code P0305.

Symptoms

  • Rough idle
  • Vibration under load
  • Check engine light flashing

Common causes

  • Faulty ignition coil
  • Worn spark plug
  • Fuel injector fault
  • Low compression or vacuum leak

Diagnostic steps

  1. Read freeze frame and confirm cylinder 5 misfire
  2. Swap coil and plug to another cylinder
  3. Test injector operation on cylinder 5
  4. Perform compression test on cylinder 5
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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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