67 31 640 Removing And Installing/Replacing Drive For Backrest Head Adjustment (Comfort Seats In Rear Compartment)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

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

Detach retainers (1) in area (2).

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

Fig 1: Turning Back Backrest Cover

Courtesy of BMW OF NORTH AMERICA, INC.

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

Disconnect plug connection (1).

Release screws (2).

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

Fig 2: Removing Drive For Seat Head Adjustment From Drive Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure spacer washers (1) are correctly seated.

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

Fig 3: Identifying Spacer Washers, Metal Tabs And Drive For Backrest Tilt Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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