34 52 121 Removing and installing/renewing ICM control unit
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE
(ESD protection).
WARNING:
The sensor system for triggering the airbag is installed in the ICM control unit!
The battery must be disconnected before removing the ICM control unit (ICM control unit de-energised)!
There is a risk of the airbag being triggered inadvertently if this requirement is disregarded!
The battery must be disconnected before removing the ICM control unit (ICM control unit de-energised)!
There is a risk of the airbag being triggered inadvertently if this requirement is disregarded!
Necessary preliminary tasks:
- Disconnect negative battery cable.
- Remove CENTER CONSOLE assy.
Make service opening (2) in carpet.
Carefully cut carpet along pre-punched line (1).
Fold back service opening (2) in direction of arrow.
WARNING:
Make sure that the negative battery lead is disconnected!
There is a risk of the airbag being triggered inadvertently!
There is a risk of the airbag being triggered inadvertently!
Undo nuts (1) and raise ICM control unit (2).
Disconnect plug connection and remove ICM control unit (2).
Installation note:
Replace self-locking nuts.
Tightening torque 34 51 2AZ .
IMPORTANT:
Do not trap any electrical wires when installing ICM control unit!
After removing and installing ICM control unit:
After completing repairs, use BMW Diagnosis and Information System to
- carry out adjustment/start-up of ICM control unit
After replacement of the ICM control unit:
Vehicles built before 03/2012:
- Adjust vehicle order according to conversion of ICM control unit.
- Program/encode ICM control unit.
- Encode ACSM.
- Carry out ADJUSTMENT/START-UP OF ICM CONTROL UNIT .
- Carry out RIDE HEIGHT ADJUSTMENT .
On vehicles from 03/2012:
After completing repairs, use BMW Diagnosis and Information System to
- Program/encode ICM control unit.
- Carry out ADJUSTMENT/START-UP OF ICM CONTROL UNIT .
- Carry out RIDE HEIGHT ADJUSTMENT .