1 Series E81 130i (N52K) 3-door
[for further information, please refer to SI Technology (SBT) 61 04 04 094]
Brief description of components
The following components and control units provide signals for the adaptive headlight system:
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CAS: Car Access System
The Car Access System supplies signals for the terminal management (e.g. terminal 15 ON).
The adaptive headlights control unit is activated when terminal 15 is switched ON.
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Light switch
The rotary switch for the side lights and dipped headlights differs depending on the vehicle equipment level
(adaptive headlights, automatic driving lights control, automatic or manual headlight-range adjustment). For
the adaptive headlights function to operate, the light switch must be set to position "A" ("A" =
"automatic driving lights control" and "adaptive headlights").
[more ...]
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Turn-signal/main-beam switch
The main-beam headlights are switched on and off with the turn-signal/main-beam switch (by pressing or pulling
the switch). The adaptive headlights function operates with both dipped and main-beam headlights. [more ...]
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SZL: Steering Column Switch
The SZL control unit forwards the signals from the turn-signal/main-beam switch to the adaptive headlights
control unit.
>
E60, E61, E63, E64, E65 and E66
[more ...]
>
E70, E81, E87, E90, E91, E92, E93
The steering column switch cluster forwards the signals from the turn-signal/main-beam switch to the
footwell module (FRM).
[for more information, please refer to SI Technology (SBT) 61 07 04 103]
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Ride-height sensors
If the special equipment "Adaptive headlights" is fitted, the adaptive headlights control unit evaluates the signals
from the ride-height sensors. This is because: the adaptive headlights control unit also controls the
automatic headlight-range adjustment.
The automatic headlight-range adjustment feature adjusts the vertical aim of the headlights to compensate for
variations in the vehicle tilt angle (e.g. when the vehicle is laden, and under braking and acceleration in dynamic
driving situations).
[more ...]
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Brake light switch
If the special equipment "Adaptive headlights" is fitted, the signals from the brake light switch are read by the
adaptive headlights control unit.
In addition, the brake light switch signal is also a signal for automatic headlight-range adjustment, see above:
Ride-height sensors.
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Position sensor
> E60, E61
> E65, E66
Hella headlights have a position sensor.
The position sensor in the positioner module for the bi-xenon headlights supplies a signal for the horizontal
movement of the headlights.
[more ...]
SBT Adaptive headlights E60, E61, E63, E64, E65, E66, E70, E81, E87, E90, E91, E92,
BMW AG - TIS
22.01.2013 13:34
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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