BMW Z4 sDrive28i Owner's Manual download pdf (Page 77)

If the tire inflation pressure in all four tires is

correct, the Flat Tire Monitor may not have

been initialized. In this case, initialize the

system.

If an identification is not possible, please

contact the service center.

2. Rectify the flat tire.

Run-flat tires

You can continue driving with a damaged tire at

speeds up to 50 mph/80 km/h.

Continued driving with a flat tire

If continuing to drive with a damaged tire:

Avoid sudden braking and steering maneu‐

vers.

2. Do not exceed a speed of 50 mph/80 km/h.

3. Check the air pressure in all four tires at the

next opportunity.

If the tire inflation pressure in all four tires is

correct, the Flat Tire Monitor may not have

been initialized. In this case, initialize the

system.

Possible driving distance with complete loss of

tire inflation pressure:

The possible driving distance after a loss of tire

inflation pressure depends on the cargo load

and the driving style and conditions.

For a vehicle containing an average load, the

possible driving distance is approx. 50 miles/

80 km.

When the vehicle is driven with a damaged tire,

its handling characteristics change, e.g., re‐

duced lane stability during braking, a longer

braking distance, and altered self-steering

properties. Adjust your driving style accord‐

ingly. Avoid abrupt steering maneuvers or driv‐

ing over obstacles, e. g., curbs, potholes, etc.

Because the possible driving distance depends

on how the vehicle is used during the trip, the

actual distance may be smaller or greater de‐

pending on the driving speed, road conditions,

external temperature, cargo load, etc.

Continued driving with a flat tire

Drive moderately and do not exceed a

speed of 50 mph/80 km/h.

A loss of tire inflation pressure results in a

change in the handling characteristics, e.g., re‐

duced lane stability during braking, a longer

braking distance and altered self-steering prop‐

erties.◀

Final tire failure

Vibrations or loud noises while driving can

indicate the final failure of the tire. Reduce speed

and stop; otherwise, pieces of the tire could

come loose and cause an accident. Do not con‐

tinue driving, and contact your service center.◀

Tire Pressure Monitor TPM

The concept

TPM checks the inflation pressures of the four

mounted tires. The system notifies you if there

is a significant loss of pressure in one or more

tires.

Functional requirement

In order to assure the reliable reporting of a flat

tire, the system must be reset while all tire infla‐

tion pressures are correct.

Always use wheels with TPM electronics. Oth‐

erwise, the system may malfunction.

Reset the system after each correction of the

tire inflation pressure and after every tire or

wheel change.

System limits

Sudden tire damage

Sudden serious tire damage caused by

external influences cannot be indicated in ad‐

vance.◀

The system does not function properly if it has

not been reset, e.g., it may identify a tire as flat

Seite 77

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BMW Z4 sDrive28i Owner's Manual Page 77

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