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27 10 700 Removing And Installing/Replacing Control Unit For Transfer Box (ATC 300)

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks: 

Remove side trim panel (1) and entrance strip trim (2).

Pull back floor trim (carpet) towards rear.

Fig 1: Identifying Side Trim Panel And Entrance Strip Trim
G04745113Courtesy of BMW OF NORTH AMERICA, INC.

Remove inlay (1).

Fig 2: Identifying Inlay
G04745114Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque, 8 N.m.

Fig 3: Locating Screws
G04745115Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect connector (1).

Modify control unit.

Fig 4: Identifying Control Unit Connector
G04745116Courtesy of BMW OF NORTH AMERICA, INC.