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Home >> BMW >> 2018 >> M4 2D Convertible, Standard Trans >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair -- M4 (F82 & F83) >> 34 52 Brake System Electronic Components >> Removing and installing/replacing ICM control unit

Removing and installing/replacing ICM control unit

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-energized)!
There is a risk of the airbag being triggered inadvertently if this requirement is disregarded!

Necessary preliminary work: 

WARNING: Make sure that the negative battery lead is disconnected!
There is a risk of the airbag being triggered inadvertently!

Disconnect plug connection (1).

Release nuts (2) and remove ICM control unit (3).

Installation note: 

Replace self-locking nuts.

Tightening torque 34 51 2AZ .

IMPORTANT: Do not trap any electrical wires when installing ICM control unit!
G10095937Courtesy of BMW OF NORTH AMERICA, INC.

After removing and installing ICM control unit: 

After completing repairs, use BMW Diagnosis and Information System to

Replacement: 

After completing repairs, use BMW Diagnosis and Information System to