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2002 BMW M3
3.2L I6 S54•RWD•AUTOMATIC•gas•S54B32
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor498Torque3157Fluid8DTC1267Battery1Maintenance0Recalls5
P1352high severityPowertrain

Misfire Cylinder 8 With Fuel Cut-Off

on 2002 BMW M3 3.2L I6 S54 · RWD

What this code means

The DME detected a severe misfire on Cylinder 8 and has activated fuel cut-off. This code is specific to BMW V8 engines (N62, N63, S63, S65). Cylinder 8 misfires on these engines often relate to valve stem seal or VANOS issues.

Symptoms

  • Check Engine Light flashing
  • Rough running
  • Significant power loss
  • Exhaust smell of unburned fuel

Common causes

  • Faulty ignition coil Cylinder 8
  • Worn spark plug Cylinder 8
  • Injector failure
  • Low compression due to worn valve stem seals
  • VANOS unit failure

Diagnostic steps

  1. Read misfire counters per cylinder
  2. Swap coil from Cylinder 8
  3. Inspect spark plug for oil fouling
  4. Compression and leak-down test
  5. Check VANOS operation

Repair notes

Replace ignition coil or spark plug; check for oil consumption on V8 engines.

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