BMW 2009 650 Bedienungshandbuch PDF herunterladen (Seite 96)

Technology for comfort, convenience and safety

1. Cautiously reduce speed to below 50 mph/

80 km/h. Avoid sudden braking and steer-

ing maneuvers. Do not exceed a speed of

50 mph/80 km/h.

Stop driving if the vehicle is no longer

equipped with run-flat tires, as it was

when it came from the factory, refer to

page 218. Continued driving after a flat tire

can result in serious accidents.<

2. In the event of complete tire pressure loss,

0 psi/0 kPa, you can estimate the possible

distance for continued driving on the basis

of the following guide values:

> With a light load:

1 to 2 persons without luggage:

approx. 155 miles/250 km

> With a medium load:

2 persons, cargo bay full, or

4 persons without luggage:

approx. 95 miles/150 km

> With a full load:

4 persons, luggage compartment full:

approx. 30 miles/50 km

Drive reservedly and do not exceed a

speed of 50 mph/80 km/h. In the event of

pressure loss, vehicle handling changes. This

includes reduced tracking stability in braking,

extended braking distance and altered natural

steering characteristics.

If unusual vibrations or loud noises occur while

the vehicle is being driven, this can indicate final

failure of the damaged tire. Reduce speed and

stop at a suitable location as soon as possible,

otherwise pieces of the tire could become

detached and cause an accident. Do not con-

tinue driving, but instead contact your BMW

center.<

Malfunction

The yellow warning lamp flashes and

then lights up continuously. The tires

are shown in gray on the Control Dis-

play and a message is displayed. No flat tire can

be detected.

A message like this is displayed in the following

situations:

> In case of a malfunction;

have the system checked.

> If a wheel is mounted without TPM elec-

tronics.

> If TPM is temporarily interfered with by

other systems or devices which use the

same radio frequency.

Declaration according to NHTSA/

FMVSS 138 Tire Pressure Monitoring

Systems

Each tire should be checked monthly when cold

and inflated to the inflation pressure recom-

mended by the vehicle manufacturer on the

vehicle placard or tire inflation pressure label. If

your vehicle has tires of a different size than the

size indicated on the vehicle placard or tire infla-

tion pressure label, you should determine the

proper tire inflation pressure for those tires. As

an added safety feature, your vehicle has been

equipped with a tire pressure monitoring sys-

tem, TPMS, that illuminates a low tire pressure

telltale when one or more of your tires are signif-

icantly underinflated. Accordingly, when the

low tire pressure telltale illuminates, you should

stop and check your tires as soon as possible,

and inflate them to the proper pressure. Driving

on a significantly underinflated tire causes the

tire to overheat and can lead to tire failure.

Underinflation also reduces fuel efficiency and

tire tread life, and may affect the vehicle's han-

dling and stopping ability. Please note that the

TPMS is not a substitute for proper tire mainte-

nance, and it is the driver's responsibility to

maintain correct tire pressure, even if underin-

flation has not reached the level to trigger illumi-

nation of the TPMS low tire pressure telltale.

The TPMS malfunction indicator is combined

with the low tire pressure telltale. When the sys-

tem detects a malfunction, the telltale will flash

for approximately one minute and then remain

continuously illuminated. This sequence will

continue upon subsequent vehicle startups as

long as the malfunction exists. When the mal-

function indicator lights up, the system may not

be able to detect or signal low tire pressure as

intended. TPMS malfunctions may occur for a

variety of reasons, including the installation of

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