Restore smooth running and reliable injection on your BMW N54 with this IRF644 MOSFET set for the MSD80 ECU DME. A known issue on MSD80-equipped cars is injector driver transistor failure, which can cause a dead injector, misfires and rough operation. This replacement kit provides six MOSFETs, one per injector channel, to renew the ECU injector drivers and address common MSD80 internal fault codes such as 30BA and 30BB.
- IRF644 MOSFET replacement set for MSD80 injector drivers
- Supplied as a pack of six to refresh all six injector channels
- Suitable for BMW N54 and N54T 6 cylinder turbo engines with Siemens MSD80 DME
- Ideal for repairing MSD80 internal failure and misfire related issues
- Aftermarket repair component for ECU DME injector driver faults
Typical diagnostic fault codes this repair targets include:
- 30BA DME Digital Motor Electronics, internal failure
- 30BB DME Digital Motor Electronics, internal failure
- 29D9 Misfire with low fuel level
- 29CC Misfire multiple cylinders
- 29CD Cylinder 1 misfire
- 29CE Cylinder 2 misfire
- 29CF Cylinder 3 misfire
- 29D0 Cylinder 4 misfire
- 29D1 Cylinder 5 misfire
- 29D2 Cylinder 6 misfire
Compatible BMW N54 models using MSD80 DME include:
- E82 135i 2007 to 2013
- E90 E91 335i 335xi 2007 to 2008
- E92 E93 335i 2007 to 2010
- E60 535i 535xi 2009 to 2010
- E89 Z4 35i 2009 to 2016
Nforcd supplies this IRF644 MOSFET pack for enthusiasts and specialists repairing MSD80 injector driver faults on N54 platforms. ECU shown in images is for illustration only and is not included.
Ready to fix your MSD80 ECU DME injector drivers and cure those misfires? Order today from Nforcd. Professional fitting and ECU repair are available through Nforcd in Warwickshire, request a quote via Sales@nforcd.com.


