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 and N43 engines (x20i,x25i,x30i x35i)
the common fault codes caused by this faults 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


MotorTronics provides a prompt test and repair service for your BMW ECU, The ECU goes through various signal test and repair processes to ensure all parameters respond correctly, only after this, we pass the ECU.
All that is left for you to do is
1. Click buy it now
2. Fill in the form under the shipping section
3. Send your ecu with the packaging Slip
4. Await repair while we have your ECU
5. Once received simply Plug it in and turn the key.