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193n
Index Data Technology Repairs Car care Controls Overview
Rain sensor* Tire Pressure Control (RDC)*
When the system is set to the "Intermit-
tent" wiper speed, the wipers react im-
mediately – if water is splashed onto the
windshield by vehicles traveling ahead
of you, for example. As a result, the rain
sensor provides a contribution to driv-
ing safety and comfort.
The Tire Pressure Control system as-
sumes the task of regular tire pressure
checks for you. Tire pressures are mon-
itored at all four wheels, even when the
vehicle is moving.
Behind the valve stem in every wheel,
there is an electronic chip which is de-
signed for severe-duty applications and
long service life. It contains a pressure
sensor, a transmitter and a battery. The
pressure is measured in extremely short
time intervals and then transmitted by a
radio signal. If an irregularity is de-
tected, the transmission rate is in-
creased.
380de673
Near every wheel is an antenna in the
body that receives the signal from the
wheel. A central electronics system
evaluates the quadruple signals and
forwards any changes.
The RDC provides an important contri-
bution to driving safety.
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW AG
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