BMW X3 Service & Repair Manual: Removing and installing/renewing icm control unit

BMW X3 Service & Repair Manual / Brakes / Electronic components / Removing and installing/renewing icm control unit

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!

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.

Brakes

WARNING: Make sure that the negative battery lead is disconnected! 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.

Brakes

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 .
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