67 31 510 Removing and installing/replacing drive unit for seat cushion tilt adjustment (production date 07/2012 through model year 2015)

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.

Necessary preliminary tasks:

Move seat to maximum height.

Unscrew nuts (1).

Release screw (2).

Unfasten plug connection (3) and disconnect.

Remove electric motor (4).

Fig 1: Identifying Electric Motor Screw And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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

INITIALIZE drive unit for seat cushion tilt adjustment.

Fig 2: Measuring Seat Cushion Tilt Adjustment Drive Unit Dimension

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE