BMW X3 Trouble Codes, Symptoms & Recalls
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Common check engine codes on the BMW X3
- P0420 — Catalyst System Efficiency Below Threshold (Bank 1)
- P0300 — Random/Multiple Cylinder Misfire Detected
- P0171 — System Too Lean (Bank 1)
- P0442 — Evaporative Emission System Small Leak Detected
- P0455 — Evaporative Emission System Large Leak Detected
- P0128 — Coolant Temperature Below Thermostat Regulating Temperature
- P0401 — EGR Insufficient Flow Detected
- P0440 — Evaporative Emission Control System Malfunction
- P0301 — Cylinder 1 Misfire Detected
- P0174 — System Too Lean (Bank 2)
Common BMW X3 symptoms
- BMW X3 car shaking when braking
- BMW X3 brakes squealing when stopping
- BMW X3 check engine light on
- BMW X3 car won't start
- BMW X3 car overheating
- BMW X3 car loses power when accelerating
- BMW X3 car running or idling rough
- BMW X3 white smoke from exhaust
- BMW X3 blue smoke from exhaust
- BMW X3 battery light on while driving
- BMW X3 car pulls to one side
- BMW X3 car ac not blowing cold
Maintenance & recalls
BMW X3 maintenance resources · BMW X3 NHTSA recalls & complaints