67 31 501 Removing and installing/replacing forward/back seat adjustment drive unit

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove FRONT SEAT

Unfasten plug connection (1) and disconnect.

Fig 1: Identifying Front Seat Plug Connection

G05779546

Courtesy of BMW OF NORTH AMERICA, INC.

Bend metal tab (1) open.

Fig 2: Identifying Metal Tab

G05779547

Courtesy of BMW OF NORTH AMERICA, INC.

Lift powertrain (1) and flex shaft (2) out of guide (4) in direction of arrow.

Detach drive (1) from rubber mounts (3).

Detach flex shaft (2) from powertrain (1).

Fig 3: Detaching Drive From Rubber Mounts

G05779548

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 4: Identifying Short Flex Shaft And Long Flex Shaft

G06852183

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Slide short flex shaft (1) into longitudinal seat adjustment gearing square.

Bend long flex shaft (2) upwards and slide into longitudinal seat adjustment gearing.

Clip motor and flex shafts into carrier plate.

Make sure flex shafts are correctly seated in gearboxes.