BMW CAS 3 control unit. In used but good working order Will need to be recoded to operate correctly with another vehicle GENUINE BMW item Part number; 9 217 853 HW; C4 SW; 20.0 Please use the part number and the details in the final photo to ensure this will be compatible with your BMW.
This product would be ideal for automotive repair shops and professionals looking for a replacement ECU module for BMWs with serial numbers of E87 and E90, specifically for a CAS 3 ignition key.
