BMW Z4 Roadster Owner's Handbook Manual page 281

Tyres with special approval:
performing a reset
Via iDrive:
1. "CAR"
2. "Vehicle status"
3. "Tyre Pressure Monitor"
4. Switch on drive-ready state but do not drive
off.
5. Reset the tyre inflation pressure: "Perform
reset".
6. Drive off.
The wheels are shown grey and the following ap‐
pears on the display: "Resetting Tyre Pressure
Monitor...".
After driving for a short while at speeds above
30 km/h, 19 mph, the set tyre pressures are ac‐
cepted as target values. The reset is completed
automatically during the journey.
If the reset was successful, the wheels are
shown in green on the Control Display and the
following appears: "Tyre Pressure Monitor active.
See label for recommended pressures.".
You can interrupt your journey at any time. The
reset resumes automatically when you continue
your journey.
Messages: for tyres without
special approval
General
Dynamic Stability Control DSC will be activated if
necessary as soon as a message for low tyre in‐
flation pressure appears.
Safety note
WARNING
A damaged normal tyre with too little or no tyre
inflation pressure impairs driving characteris‐
tics, for example steering and braking. Tyres
with run-flat properties allow a limited level of
Wheels and tyres
Online Edition for Part no. xxx - X/18
stability to be maintained. There is a danger of
accidents. Do not continue driving if the vehicle
is fitted with normal tyres. Comply with the
notes on run-flat tyres and continuing to drive
with these tyres.
If a tyre inflation pressure test is
required
Message
A symbol with a Check Control message is
shown on the Control Display.
Symbol Possible cause
The tyre was not inflated properly,
for example insufficient air was
added or there was a natural, even
loss of tyre inflation pressure.
Measure
Check the tyre inflation pressure and adjust as
necessary.
If the tyre inflation pressure is
insufficient
Message
A yellow warning lamp is illuminated in
the instrument cluster.
In addition, a symbol with a Check Control mes‐
sage is shown on the Control Display.
Symbol Possible cause
There has been a loss of tyre infla‐
tion pressure.
Measure
1. Reduce speed. Do not exceed a speed of
130 km/h, 80 mph.
2. At the next opportunity, for example at a filling
station, check the tyre inflation pressure in all
four tyres and correct if necessary.
MOBILITY
281