Bmw 328i Coupe 2011 User Manual download pdf (Page 88)

Technology for driving comfort and safety

Vibrations or loud noises during driving

may indicate the final failure of the tire.

Reduce your speed and bring the vehicle to a

stop; otherwise, tire components may become

detached, which could result in an accident. Do

not continue driving; instead, contact your

BMW center.<

Malfunction

The small warning lamp flashes in

yellow and then lights up continu-

ously; the large warning lamp comes

on in yellow. No punctures can be

detected.

Display in the following situations:

> Malfunction

Have the system checked.

> A wheel without TPM electronics has been

installed:

Have it checked by your BMW center.

> Interference from systems or devices that

use the same radio frequency:

The system automatically becomes active

again when the vehicle moves out of the

interference zone.

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 at which the

TPMS low tire pressure telltale illuminates.

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 lit. This sequence will continue

upon subsequent vehicle startups as long as

the malfunction exists. When the malfunction

indicator is illuminated, 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

replacement or alternate tires or wheels on the

vehicle that prevent the TPMS from functioning

properly. Always check the TPMS malfunction

telltale after replacing one or more tires or

wheels on your vehicle to ensure that the

replacement or alternate tires and wheels allow

the TPMS to continue to function properly.

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