67 31 510 Removing and installing/replacing drive unit for seat tilt adjustment

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 BMW 530xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove FRONT SEAT .

NOTE: Front left trim shown removed for purposes of clarity.

Release screws (1).

Fold back seat rail (2) slightly from seat frame (3) in direction of arrow.

NOTE: Avoid subjecting electric leads to tensile load.

Fig 1: Folding Back Seat Rail Slightly From Seat Frame

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WARNING: Do not move torsion bar. Danger of injury!

Installation:

Make sure plastic bushings (1) are correctly seated in seat rail (2). Faulty plastic bushings (1) cause noises and must be replaced.

Fig 2: Identifying Plastic Bushings

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Disconnect plug connection (1) on drive unit for seat tilt adjustment (2).

NOTE: Relieve load on drive unit for seat tilt adjustment (2).

To do so, insert a suitable slotted screwdriver (3) into receptacle (4), press drive unit for seat tilt adjustment (2) downwards slightly using a lever action and release screw (5).

Then slowly move screwdriver (3) upwards and relieve load on drive unit for seat tilt adjustment (2) completely.

Fig 3: Disconnecting Plug Connection On Drive Unit For Seat Tilt Adjustment

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Tilt drive unit for seat tilt adjustment (1) upwards and feed out from receptacle (2).

If necessary, twist out drive unit for seat tilt adjustment (1) at spindle (3) to such an extent that it can be removed.

Fig 4: Twisting Out Drive Unit For Seat Tilt Adjustment At Spindle

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Comfort seat only:

Replacement:

Measure dimension (A) and adjust by turning holder (1) on new drive unit for seat tilt adjustment (2).

INITIALIZE drive unit for backrest head adjustment.

Fig 5: Identifying Seat Unit Adjuster And Holder

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