BMW M4 COUPE Owner's Handbook Manual page 88

Controls
▷ Gearbox in neutral and clutch pedal not
pressed.
▷ Driver's seat belt buckled or driver door
closed.
The air flow rate of the air conditioning system
is reduced when the engine is not running.
Displays in the instrument cluster
The READY display in the revo‐
lution counter indicates that the
Auto Start Stop function is
ready for automatic engine
starting.
The display indicates that the
preconditions for an automatic
engine stop are not met.
Functional restrictions
The engine is not shut down automatically in
the following situations:
▷ On steep downward gradients.
▷ Outside temperature too low.
▷ High outside temperature and operation of
the automatic air conditioning.
▷ Interior not heated or cooled to the desired
temperature.
▷ Engine is not yet at operating temperature.
▷ Sharp steering angle or steering operation.
▷ After reversing.
▷ Where there is a risk of condensation when
the automatic air conditioning is switched
on.
▷ Vehicle battery is heavily discharged.
▷ At high altitudes.
▷ Bonnet is unlocked.
▷ Park Assistant is activated.
▷ Stop-and-go traffic.
▷ Use of fuel with high ethanol content.
88
Driving
Online Edition for Part no. 01402981699 - VI/17
Engine start
For driving off, the engine automatically starts
under the following conditions:
▷ M double clutch transmission: by releasing
the brake pedal.
▷ Manual gearbox: by depressing the clutch
pedal.
After starting the engine, accelerate as normal.
Safety function
After an automatic shut down, the engine will
not restart automatically, if one of the following
conditions is met:
▷ Driver's seat belt unbuckled and driver
door open.
▷ Bonnet has been unlocked.
Several indicator lamps illuminate for various
lengths of time.
The engine can only be started using the start/
stop button.
Functional restrictions
Even if you do not want to drive off, the engine
restarts automatically in the following situa‐
tions:
▷ Very high temperature in the interior when
the cooling function is switched on.
▷ The driver applies lock to the steering
wheel.
▷ M double clutch transmission: shift from
selector lever position D to N, R or D/S.
▷ M double clutch transmission: press the
accelerator and the brake at the same time.
▷ Vehicle starts to roll.
▷ Where there is a risk of condensation when
the automatic air conditioning is switched
on.
▷ Vehicle battery is heavily discharged.
▷ Very low temperature in the interior when
the heating is switched on.