bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

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If this value is exceeded, the driver will be warned via the instrument cluster as follows:

Loss of tyre pressure

Warning

Loss of tyre pressure of 30 

±

 10 %

Red LED
Text: "Tyre failure"
Gong: yes

The vehicle is not to be driven faster than 80 km/h (50
mph).

Note:

A cautious driving style with moderate forward
and transverse acceleration will help to prolong
the service life of the defective tyre.

Advantages of RDW

With two exceptions, the advantages of RDC also apply to RDW.

Exceptions:

- no warning of loss of tyre pressure through normal diffusion

- tyre pressure still have to be checked regularly, every 14 days

RDW system layout

(1) Wheel speed sensors of ABS/ASC or ABS/DSC

system

(3) Set button

ASC = Automatic Stability Control 
DSC = Dynamic Stability Control

(4) Display element

(2) RDW control unit

-

Wiring harness

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

BMW AG - TIS

23.01.2013  11:45

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

Copyright

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