Pull the lever at the front of the seat and adjust the thigh support.
Lumbar support
The curvature of the seat backrest can be adjusted in a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture
The curvature is increased/ decreased.
The curvature is shifted up/ down.
Backrest width
Change the width of the backrest using the side wings to adjust the lateral support.
BMW X3 Service & Repair Manual > Front axle: Pin
Pin AM
NOTE: (Replacement pins) Deletion, only available via tool set
Pin Minimum set: Mechanical tools AM
Replaced by: 83302213023
NOTE: Spare part set for basic device (2 locking pins and 1 O-ring) will be available
under a new order number 83 30 2 213 023 as of July 2011
SI number
01 16 ...