Type: Siemens Engine Management
Fits: BMW 320i / 520i
Engines: E34 / E36
Year: 1993 – 1998
Note: This ECU may also fit other models.
It is a Siemens MS 40 ECU and we are able to fully test and rebuild these units.
Common part numbers associated with this type of unit
Siemens Number OEM Number Price Warranty
5WK9 002 1 739 855 £POA 12 months
5WK9 003 1 744 597 £POA 12 months
We are able to fully test and rebuild these ECU’s with a 12 months warranty and all within a fraction of the price of a new unit. Our typical turnaround time for this type of ECU is just 3-5 working days. If you’re unit is found to be faulty and cannot be repaired, we may be able to offer a replacement unit and code it to your vehicle – making it fully plug & play.