BMW fault code 0013
Multiple Restraint System
In the multiple restraint system, code 0013 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.
Malfunction indicator lamp
Module versions: Airbag (BAE), Airbag (ZAE)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–1998, 7 Series (E38) 1994–1998
MRS: Sensor, side airbag, left, parameter fault
Module version: Multiple Restraint System (MRS2)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
MRS: Indicator lamp (HWL)
Module version: Multiple Restraint System (MRS3)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, 7 Series (E38) 1998–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
MRS: Seat belt tensioner, rear middle
Module version: Multiple Restraint System (MRS4)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
MRSA_LEFT wrong algorithm parameter
Module version: Airbag (ZAE2)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–1998, 7 Series (E38) 1994–1998
Reading and clearing it
Fault code 0013 is a BMW code, stored in the car's multiple restraint system, 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 multiple restraint system is on: 3 Series (E30), Z1 (E30/Z1), 8 Series (E31), 7 Series (E32), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83)
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