BMW 7 Series: Functions
Electric Front Seat Adjustment
The seats can be adjusted from terminal 30B ON. The seat-adjustment switch simply has to be pressed in the desired direction. The seats can have up to eight adjustment axes.
The seat adjustment options are listed in the following table:
SEAT ADJUSTMENT OPTIONS CHART
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Activation of the seat adjustment motors differ depending on the seat equipment.
For example, the seat-adjustment switches are evaluated either directly or via the LIN bus.
Seat Adjustment Options
With the maximum equipment specification, the F01/F02 seats can be adjusted in eight directions back and forth.
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Fig. 94: Maximum Seat Adjustment Axes Using F01/F02 Multifunction Seat
SEAT ADJUSTMENT AXES
- Head restraint height adjustment
- Upper backrest adjustment
- Backrest inclination adjustment
- Longitudinal seat adjustment
- Seat height adjustment
- Seat inclination adjustment
- Seat depth adjustment
- Backrest width adjustment
The seat can adjusted with the seat adjustment switches. The seat adjustment switches on the comfort seat (multifunction seat) are used again as an example here.
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Fig. 95: Identifying Seat Adjustment Switches In F01/F02 Multifunction Seat
With Memory Function
SEAT ADJUSTMENT SWITCHES
- Lumbar support adjustment
- Backrest width adjustment
- Upper backrest adjustment
- Backrest inclination and head restraint height adjustment
- Longitudinal seat, seat height and seat inclination adjustment
- Seat depth adjustment
Seat position recording in the US
There is seat calibration in the US version for the driver's and the front-passenger seat. Seat calibration is important, because during the course of many seat adjustments, the seat position may lose accuracy. This generates a Check Control message. Refer to the section entitled Service information.
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Front Seat Memory Function
The memory function is available for both the driver's and front-passenger
seats. The memory buttons are
located on the armrest. The memory function can be activated from terminal 30B
ON. The memory
Front Seat Heating
The seat heating is standard as part of the comfort seats. The seat module is
functionally responsible for seat
heating.
The seat heating can only be activated from terminal 15 ON. The status of
te
Front Lumbar Support
Using lumbar support, the backrest can be individually adapted to the spinal
column and thus ensures relaxed
driving. Lumbar support is a standard feature in the multifunction seat.
The button for t
SEE MORE:
Replacing Front Left Or Right Coil Spring
Notes
IMPORTANT: Both coil springs on the relevant axle must be replaced only in
the event of
corrosion breakage!
The coil spring is allocated in the Electronic Parts Catalogue (EPC) under
the menu item "Spring table" after the
vehicle identification number has been entered and the relevant option
System Overview
System Circuit Diagram, Multifunction Seat (comfort seat)
Fig. 93: Multifunction Seat System Circuit Diagram
COMPONENTS DESCRIPTION CHART
Switch block, driver's door
Button block in the armrest, driver's side
Motors, mirror adjustment, driver's side
Footwell module (FRM)
Central gateway modul
