BMW M3 SEDAN Owner's Manual page 160

CONTROLS
Tachometer
General information
A yellow prewarning field and a red prewarning
field display the permitted speed range. The per‐
mitted engine speed increases as the engine oil
temperature increases.
Always avoid engine speeds in the red warning
field. In this range, the fuel supply is reduced to
protect the engine.
Standby state and drive-
ready state
The lettering OFF in the instru‐
ment cluster indicates that drive-
ready state is switched off and
standby state is switched on.
The lettering READY in the in the
instrument cluster indicates that
the drive-ready state is switched
on.
Additional information:
Operating state of the vehicle, refer to page 39.
Engine oil temperature
Display
▷ Cold engine: the pointer is at
the low temperature end.
Drive at moderate engine and
vehicle speeds.
▷ Normal operating tempera‐
ture: the pointer is in the mid‐
dle or in the lower half of the
temperature display.
160
Displays
Online Edition for Part no. 01405A1E4B0 - X/20
▷ Hot engine: the pointer is at the high end of
the temperature range. In addition, a Check
Control message is displayed.
Additional information:
Coolant level, refer to page 348.
Indicator light in the instrument
cluster
A red indicator light is displayed.
External temperature
General information
If the indicator drops to +37 ℉/+3 ℃ or lower, a
signal sounds.
A Check Control message is displayed.
There is an increased risk of ice on roads.
Safety information
Warning
Even at temperatures above +37 ℉/+3 ℃
there can be a risk of icy roads, for instance on
bridges or shady sections of the road. There is
a risk of accident. Modify your driving style to
the weather conditions at low temperatures.
Digital tachometer
General information
The digital tachometer is permanently displayed
in the instrument cluster.