BMW GRAN COUPE 4 Series Owner's Manual page 101

Flat Tire Monitor FTM
The Flat Tire Monitor signals a loss of
tire inflation pressure in a tire.
Reduce your speed and stop cau‐
tiously. Avoid sudden braking and steering ma‐
neuvers.
Flat Tire Monitor, refer to page 128.
Tire Pressure Monitor TPM
The indicator light illuminates.
The Tire Pressure Monitor reports a
low tire inflation pressure or a flat tire.
Observe the information in the Check Control
message.
The indicator light flashes and then illuminates
continuously.
No flat tire or loss of tire inflation pressure can
be detected.
▷ Interference caused by systems or devices
with the same radio frequency: after leav‐
ing the area of the interference, the system
automatically becomes active again.
▷ TPM was unable to complete the reset.
Reset the system again.
▷ A wheel without TPM electronics is
mounted: have it checked by a dealer's
service center or another qualified service
center or repair shop as needed.
▷ Malfunction: have the system checked by a
dealer's service center or another qualified
service center or repair shop.
Tire Pressure Monitor, refer to page 123.
Steering system
Steering system in some cases not
working.
Have the steering system checked by a
dealer's service center or another qualified
service center or repair shop.
Online Edition for Part no. 01402978272 - II/17
Displays
Emissions
▷ The warning light lights up:
Emissions are deteriorating. Have
the vehicle checked as soon as
possible.
▷ The warning light flashes under certain cir‐
cumstances:
This indicates that there is excessive mis‐
firing in the engine.
Reduce the vehicle speed and have the
system checked immediately; otherwise,
serious engine misfiring within a brief pe‐
riod can seriously damage emission con‐
trol components, in particular the catalytic
converter.
Socket for Onboard Diagnosis, refer to
page 244.
Lane departure warning
System is switched on and under cer‐
tain circumstances warns if a detected
lane is left without flashing beforehand.
Lane departure warning, refer to page 139.
Green lights
Turn signal
Turn signal switched on.
Unusually rapid flashing of the indicator
light indicates that a turn signal bulb
has failed.
Turn signal, refer to page 86.
Parking lights, headlight
Parking lights or headlights are
switched on.
Parking lights/low beams, headlight
control, refer to page 114.
Controls
101