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Home >> BMW >> 2011 >> X6 ActiveHybrid >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair (N63; ACTIVEHYBRID) >> Control Units, Electric Machines >> 12 36 005 Removing and installing/replacing Auxiliary Power Module (APM)

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

Special tools required: 

WARNING: High-voltage system - danger to life!
WARNING: The following points must be strictly observed prior to starting work: 

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
G08576636Courtesy 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
G08576637Courtesy 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
G08576638Courtesy 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)
G08576639Courtesy of BMW OF NORTH AMERICA, INC.

FILLING AND VENTING COOLING SYSTEM WITH VACUUM FILLING UNIT

Replacement: 

CARRY OUT VEHICLE PROGRAMMING AND ENCODING.