P1351high severityPowertrain
Misfire Cylinder 7 With Fuel Cut-Off
on 2000 BMW 750i 5.4L V12 M73 · RWD
What this code means
The DME detected a severe misfire on Cylinder 7 and has shut off its fuel injector to protect the catalytic converter. This code appears on BMW V8 and V12 engines only.
Symptoms
- Check Engine Light flashing
- Rough running
- Significant power loss
- Engine vibration
Common causes
- Faulty ignition coil Cylinder 7
- Worn spark plug Cylinder 7
- Injector failure
- Low compression Cylinder 7
- Timing chain stretch affecting Bank 2
Diagnostic steps
- Read misfire counters
- Swap coil from Cylinder 7
- Inspect spark plug
- Test injector flow
- Compression test Cylinder 7
Repair notes
Replace faulty ignition coil or spark plug on Cylinder 7.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1