61 35 085 Removing and installing/replacing control unit/module for left or right seat adjustment (rear Comfort seat)

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD PROTECTION) .

Necessary preliminary work

Disconnect BATTERY EARTH LEAD .
Remove THE CENTRE ARMREST FOR THE REAR SEAT BACKREST COMPLETELY .

NOTE: For purposes of clarity, the following operations are shown in the released state.

Detach cover (1) from Velcro fastener.

Pull cover (1) upwards out of guide from four-bar lever.

Fig 1: Pulling Cover Upwards

G06895757

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, graphic shows backrest removed:
Unlock and disconnect all plug connections in marked area.

Installation note:

Plug connections are coded against incorrect assembly.

Fig 2: Removing Control Unit

G06895118

Courtesy of BMW OF NORTH AMERICA, INC.

Press control unit against spring and remove towards top.

NOTE: If the rear Comfort seat is defective:
Partially remove the backrest for the seat on the left or right.

Necessary preliminary work

Remove LEFT OR RIGHT REAR SEAT .

Release screw (1).

Installation note:

Replace screw (1).

Tightening torque 52 25 05AZ .

Fig 3: Identifying Seat Adjustment Screw

G06895760

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Carefully raise the seat frame (2) in the direction of arrow.

Installation note:

Replace nuts (1).

Tightening torque 52 25 05AZ .

Fig 4: Raising Seat Frame

G06895120

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Press control unit against spring and feed out.

Fig 5: Identifying Plug Connections

G06895121

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure mounting (1) and retaining tabs (2) of control unit (3) are correctly seated.

Fig 6: Identifying Control Unit Retaining Tabs And Mounting

G04768626

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out vehicle PROGRAMMING/ENCODING .