Description
BMW ECU DME MSD80 MSD80.2 Misfire Repair Service 30BA 30BB
BMW MSD80 ECU’s fail causing misfires or complete non starting, as internal components which control the injection coil circuitry ages or fails to a high peak surge from the coil.
This problem is very common on BMW’s equipped with
- N54
- N53
- N43
- BMW x18i
- BMW x20i
- BMW x25i
- BMW x30i
- BMW x35i
The common fault codes caused when the ECU is faulty are;
- 30BA – DME Digital Motor Electronics, Internal Failure
- 30BB – DME Digital Motor Electronics, Internal Failure
- 30A5 – Ignition Coil Cylinder 6 Activation
- 29D0 – Cylinder 4 Misfire
- 29D1 – Cylinder 5 Misfire
- 29D2 – Cylinder 6 Misfire
- 29CD – Cylinder 1 Misfire
- 29CE – Cylinder 2 Misfire
- 29CF – Cylinder 3 Misfire
- 29CC – Misfire Multiple Cylinders