Control Unit - BMW 3er E46 - engine control unit Bosch BMS46

Defect in Bosch BMS46 engine control unit.

Complete failure of the control unit. Communication with the control unit is not possible. The power supply for various actuators is missing.

Error codes

112 - Intake manifold switch valve
113 - Tank vent valve
115 - Map cooling faulty control
120 - Air mass sensor
143 - Control unit or programme memory malfunction
149 - Secondary air valve

Replacement unit for irreparable faults

If it is no longer possible to repair the engine control unit, in most cases we can supply an inexpensive used part. The data can almost always be transferred from the original to the replacement unit, so that programming on the vehicle is not necessary.
Please enquire with the part number and we will check availability and the current price for you.