BMW M3 SEDAN Owner's Manual page 97

Thigh support
Sport seat
Pull the lever at the front of the seat and push
the thigh support forward or back.
Lumbar support
Principle
The curvature of the seat backrest can be ad-
justed in a way that it supports the lumbar
region of the spine. The lower back and the
spine are supported for upright sitting position.
Adjusting the lumbar support
▷ Press the front/rear section of the
button:
The curvature is increased/de-
creased.
▷ Press the upper/lower section of the but-
ton:
The curvature is shifted up/down.
Backrest width
Principle
Adjusting the backrest width may improve side
support when cornering.
General information
The backrest width is changed by adjusting
the side sections of the backrest.
Seats, mirrors and steering wheel
Online Edition for Part no. 01405A88034 - VI/23
Adjusting the backrest width
▷ Press the front section of the but-
ton:
The backrest width decreases.
▷ Press the rear section of the button:
The backrest width increases.
Calibrating the front seats
General information
As soon as the electric seat setting no longer
functions precisely, a Check Control message
is displayed on the control display.
To restore the accuracy of the electric seat set-
ting, the front seats must be calibrated.
Safety information
Warning
There is a danger of jamming when moving
the seats. There is a risk of injury or risk
of damage to property. Make sure that the
travel path of the seat is clear prior to any
adjustment.
Calibrating the front seat
1. Press the longitudinal direction switch for-
ward until the seat stops.
2. Press the switch forward again until the
seat stops.
3. Readjust the seat to the desired position.
As soon as the message on the control dis-
play disappears, the calibration is complete.
If the message remains active, repeat the cali-
bration.
If the message is still shown after repeated
calibration, have the vehicle checked by an
authorized service center or another qualified
service center or repair shop.
CONTROLS
97
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