BMW fault code 008B

Engine electronics

In the engine electronics, code 008B means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.

Output stage map cooling

Module versions: Motor Electronics (DM5212R5), Motor Electronics (DM5212R6), Motor Electronics (DM528DS3)

In: 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006

Output stage thermostat

Module versions: Motor Electronics (DM524DS0), Motor Electronics (DM528DS0)

In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006

DME: Signal, oxygen sensor after catalytic converter

Module version: Motor Electronics (BMS46DS0)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006

DME: Signal, oxygen sensor after cat.conv. (EUIII code: P0136)

Module version: Motor Electronics (BMS46DS1)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006

CAN timeout message 2

Module version: Motor Electronics (BMSS501)

In: 3 Series (E36) 1990–2000

Thermostat jammed

Module version: Motor Electronics (ME72KWP0)

In: 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, 7 Series (E38) 1998–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

DME: Thermostat jammed

Module version: Motor Electronics (ME72KWP1)

In: 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

DME: Signal, CAN, tank fill level

Module version: Motor Electronics (MS430DS0)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008

DME: Interruption, Tempomat operation

Module version: Motor Electronics (MSS54DS0)

In: 3 Series (E46) 1998–2006

Reading and clearing it

Fault code 008B is a BMW code, stored in the car's engine electronics, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.

The engine electronics is on: 8 Series (E31), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)

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