67 31 630 Removing and installing/replacing drive for backrest tilt adjustment (comfort seats in rear compartment)

Necessary preliminary tasks: 

• Remove rear head restraint. Refer to 52 25 390 REMOVING AND INSTALLING OR REPLACING LEFT OR RIGHT REAR HEAD RESTRAINT .
• Remove cover for armrest at rear. Refer to 52 25 030 REMOVING AND INSTALLING COMPLETE ARMREST FOR REAR SEAT BACKREST .

Detach cover (1) in direction of arrow from Velcro-type fastener behind, pull out from guides (2) and tilt forwards.

Fig 1: Detaching Cover From Velcro-Type Fastener

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Unlock catches (3) and remove cover (1) towards top.

Remove rear panel on rear seat backrest. Refer to 52 25... REMOVING AND INSTALLING/REPLACING REAR PANEL ON REAR SEAT BACKREST .

Release screws (1) on luggage compartment partition (2).

Fig 2: Locating Screws On Luggage Compartment Partition

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Installation: 

Tightening torque, 52 25 1AZ. Refer to SEATS - TIGHTENING TORQUES - 745I - E65 .

Move rear seat backrest (3) forward slightly.

Detach retainers (1) on rear seat backrest (2).

Fig 3: Detaching Retainers On Rear Seat Backrest

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

Disconnect plug connection (1).

Fig 4: Removing Drive For Backrest Tilt Adjustment

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Release screws (2).

Carefully feed out drive for backrest tilt adjustment (3) in direction of arrow and remove.

Installation: 

Make sure spacer washers (1) are correctly seated.

Fig 5: Fixing Spacer Washers In Place On Metal Tabs

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

Replacement: 

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