67 31 640 Removing and installing/replacing drive for backrest head adjustment (comfort seats in rear compartment)

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Remove rear seat. Refer to 52 25 010 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT .

Detach retainers (1) in area (2).

Fig 1: Turning Back Backrest Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Turn back backrest cover (3) in direction of arrow slightly.

NOTE: For purposes of clarity, illustration shows backrest cushion section removed.

Disconnect plug connection (1).

Fig 2: Detaching Drive For Seat Head Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (2).

Detach drive for seat head adjustment (3) from drive shaft (4) and remove in direction of arrow.

Installation:

Make sure spacer washers (1) are correctly seated.

Fig 3: Locating Spacer Washers

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, fix spacer washers (1) in place on metal tabs (2) of drive for backrest head adjustment (3).

Replacement:

Initialize drive unit for backrest head adjustment. Refer to 67 31... NOTES ON INITIALIZING ELECTRIC SEAT SERVODRIVES .