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BMW Workshop Service and Repair Manuals

4 SBT Tyres With Emergency Running Characteristics And Tyre Pressure Warning Systems A|Page 2256 > < 4 SBT Tyres With Emergency Running Characteristics And Tyre Pressure Warning Systems A|Page 2254
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(3) Receiving antennas (4 off)

-

Wiring harness

Component description

RDC control unit

Fully diagnosis-compatible

Task:

evaluates the following telegrams from the
wheel electronic units:

-

tyre pressure

-

tyre air temperature

-

identification number (ID) of wheel
electronic unit

-

remaining service life of wheel
electronic unit battery

If required, information or a warning is transmitted.

Wheel electronic unit with valve

Components:

-

pressure sensor

-

temperature sensor

-

transmitter

frequencies according to country

-

power supply

service life: approx. 7 years

not exchangeable

Installation location of wheel electronic unit in disc
wheel

The wheel electronic unit (1) is screwed to the valve
(2) on the disc wheel (3)

Identifying feature:

metal tyre valves

Note:

Different valves have to be used to allow for
the different disc wheel sizes. The valves
are colour-coded. The correct coding can
be taken from the spare parts catalogue.

SBT  Tyres with emergency running characteristics and tyre pressure warning systems A

BMW AG - TIS

23.01.2013  11:53

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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4 SBT Tyres With Emergency Running Characteristics And Tyre Pressure Warning Systems A|Page 2256 > < 4 SBT Tyres With Emergency Running Characteristics And Tyre Pressure Warning Systems A|Page 2254