Component Description

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RDW Control Unit

Fully diagnosis-compatible

Task:

evaluates wheel speeds.
a warning is transmitted as required.

Fig 1: Identifying RDW Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Set Button

Installed in the dashboard to the right of the steering wheel. Symbol: tire cross-section with warning triangle.

Task: initialization after resetting cold tire pressure or after changing tire or wheel location.

Fig 2: Identifying Set Button

Courtesy of BMW OF NORTH AMERICA, INC.

Display Element In Instrument Cluster

Indicator lamp lights up red:

drop in tire pressure 30 +/- 10 %

Fig 3: Identifying RDW Indicator Lamp

Courtesy of BMW OF NORTH AMERICA, INC.