BMW M3 SEDAN Owner's Manual page 131

▷ The driver's safety belt is buckled or the driv‐
er's door is closed.
M Steptronic Sport transmission:
manual engine stop
If the engine was not switched off automatically
when the vehicle stopped, the engine can be
switched off manually:
▷ Press the brake pedal forcefully again from
the current pedal position.
▷ Engage selector lever position P.
When all functional preconditions are fulfilled, the
engine switches off.
Air conditioner when the engine is
switched off
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster
General information
The display in the instrument
cluster indicates that the Auto
Start/Stop function is ready for an
automatic engine start.
The display indicates that the
conditions for an automatic en‐
gine stop have not been met.
Indications on the Control Display
Total time with switched-off engine
The total time for which the Auto Start/Stop
function has switched off the engine is displayed
in the trip data.
The total time is automatically reset every time
the vehicle is refueled.
Online Edition for Part no. 01405A1E4B0 - X/20
Driving
Functional limitations
The engine is not switched off automatically in
the following situations:
▷ In case of a steep downhill grade.
▷ Brake not engaged strongly enough.
▷ The external temperature is high and auto‐
matic climate control is running.
▷ The car's interior has not yet been heated or
cooled to the required level.
▷ Where there is a risk of window condensation
when the automatic climate control is
switched on.
▷ Engine or other parts not at operating tem‐
perature.
▷ Engine cooling is required.
▷ The wheels are at a sharp angle or the steer‐
ing wheel is being turned.
▷ Vehicle battery is heavily discharged.
▷ At higher elevations.
▷ Hood is unlocked.
▷ The parking assistant is activated.
▷ Stop-and-go traffic.
▷ M Steptronic Sport transmission: selector
lever position in N or R.
▷ After driving in reverse.
Starting the engine
Functional requirements
Manual transmission
The engine starts automatically under the follow‐
ing preconditions:
▷ By pressing the clutch pedal.
M Steptronic Sport transmission
The engine starts automatically under the follow‐
ing preconditions:
▷ By releasing the brake pedal.
CONTROLS
131