12 36 005 Removing and installing/replacing Auxiliary Power Module (APM)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 2 050

WARNING: High-voltage system - danger to life!

WARNING: The following points must be strictly observed prior to starting work:

DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
Observe SAFETY INFORMATION for working with hybrid cars.

Necessary preliminary tasks:

Unlock cover (1) and remove.

Release underlying nut from positive wire.

Tightening torque 12 36 9AZ .

Undo screw (2) from grounding cable (3).

Tightening torque 12 36 15AZ .

Fig 1: Identifying Cover, Grounding Cable And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 12 36 8AZ .

IMPORTANT: Earth connection. Clean the following components before reinstalling:

Clean rear screws (thread/contact surface on head)
Surfaces on rear retaining tabs

UNLOCK AND DISCONNECT HIGH-VOLTAGE PLUG CONNECTION (2).

UNLOCK PLUG CONNECTION (3) AND DISCONNECT. UNCLIP THE LINE.

Fig 2: Identifying Plug Connection, High-Voltage Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip line (1).

Open clamp (2) with special tool 17 2 050 .

Detach coolant hose (3).

Fig 3: Identifying Line, Clamp And Coolant Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Raise Auxiliary Power Module (APM)1

Open clamp with special tool 17 2 050 .

Detach coolant hose (2).

Remove Auxiliary Power Module (APM) (1)

Fig 4: Removing Auxiliary Power Module (APM)

Courtesy of BMW OF NORTH AMERICA, INC.

FILLING AND VENTING COOLING SYSTEM WITH VACUUM FILLING UNIT

Replacement:

CARRY OUT VEHICLE PROGRAMMING AND ENCODING.