BMW 328i xDrive Owner's Manual page 173

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Vehicles with Flat Tire Monitor
Light up in yellow and red:
> Tire is deflated
> Flat Tire Monitor not initialized
Light up in yellow:
Flat Tire Monitor failed. Punctures are
not indicated
Vehicles with Tire Pressure Monitor
Light up in yellow and red:
There is a flat tire or substantial loss of
tire pressure
Vehicles with Tire Pressure Monitor
Light up in yellow:
Tire Pressure Monitor not initialized
The small lamp flashes in yellow and
then lights up continuously; the larger
lamp comes on in yellow:
> Tire Pressure Monitor has failed.
Punctures are not indicated
> A wheel without TPM electronics
has been mounted
> Interference from systems or
devices that use the same radio fre-
quency. The system automatically
reactivates once it is outside of the
field of interference
Online Edition for Part no. 01 41 2 604 304 - © 02/10 BMW AG
Cause
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*
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What to do
Carefully bring the car to a stop.
Comply with the additional information
starting on page 83.
Initialize Flat Tire Monitor, refer to
page 83.
Have the system checked.
Carefully bring the car to a stop.
Comply with the additional information
starting on page 84.
Check the inflation pressure and reset
the system, refer to page
Have the system checked.
Have the system checked.
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