BMW 2008 M3 Bedienungshandbuch PDF herunterladen (Seite 72)

Technology for driving comfort and safety

70

When driving resumes, the initialization is con-

tinued automatically.

Do not initialize the system while snow chains

are attached.<

1. Start the engine, but do not start driving.

2. Press the button for approx. 4 seconds until

the warning lamp in the instrument cluster

lights up yellow. Warning lamp, refer to Indi-

cation of a flat tire on page 70.

3. Start to drive.

Initialization is completed while the car is

moving, without any feedback.

Indication of a flat tire

The warning lamps come on in yellow

and red. In addition, an acoustic sig-

nal sounds. There is a flat tire or sub-

stantial loss of tire pressure.

1. Reduce your speed and carefully stop the

car. Avoid sudden braking and steering

maneuvers.

2. Identify the damaged tire. To do so, check

the tire pressure using the M Mobility Sys-

tem, refer to Producing the tire inflation

pressure on page 132.

3. Repair the flat tire with the M Mobility Sys-

tem, refer to page 132.

Malfunction

The warning lamps come on in yel-

low. The Flat Tire Monitor has a mal-

function or has failed. Have the sys-

tem checked as soon as possible.

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.

Each time a tire inflation pressure has

been corrected or a wheel or tire has been

changed, reset the system.<

System limitations

TPM cannot warn you in advance of sud-

den severe tire damage caused by out-

side influences.<

The system does not work correctly if it has not

been reset; for example, a flat tire may be indi-

cated even though the tire inflation pressures

are correct.

The system is inactive and cannot indicate a flat

tire if a wheel without TPM electronics has been

mounted, or if TPM is temporarily malfunction-

ing due to other systems or devices using the

same radio frequency.

Resetting the system

Each time a tire inflation pressure has

been corrected or a wheel or tire has been

changed, reset the system.<

1. Start the engine, but do not start driving.

2. Press the button for approx. 4 seconds until

the warning lamp in the instrument cluster

lights up yellow. Warning lamp, refer to

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