BMW 5 Series: Engine stop - Automatic Engine Start/Stop 
Function - Driving - Controls - BMW 5 Series Owners ManualsBMW 5 Series: Engine stop

The engine is switched off automatically during a stop under the following conditions:

Manual transmission:

▷ Neutral is engaged and the clutch pedal is not pressed.
▷ The driver's safety belt is buckled or the driver's door is closed.
Automatic transmission:

▷ The selector lever is in transmission position D.
▷ The brake pedal remains pressed while the vehicle is stationary or the vehicle is held by Automatic Hold.
▷ The driver's safety belt is buckled or the driver's door is closed.

The air volume of the air conditioner is reduced when the engine is switched off.

Display in the instrument cluster

The display indicates that the Automatic The display indicates that the Automatic Engine Start/Stop Function is ready for an automatic engine start.

Note

The engine is not switched off automatically in the following situations:

▷ External temperature below approx. +37 ℉/ +3 ℃.
▷ External temperature above approx. +95 ℉/ +35 ℃ and the automatic climate control is operating.
▷ The passenger compartment has not yet been heated or cooled to the required level.
▷ The engine is not yet at operating temperature.
▷ The wheels are at a sharp angle or the steering wheel is being turned.
▷ After driving in reverse.
▷ Fogging of the windows when the automatic climate control is switched on.
▷ The vehicle battery charge is very low.
▷ The engine compartment lid is unlocked.
▷ HDC is activated.
▷ The parking assistant is activated.
▷ Stop-and-go traffic.

    Automatic mode
    The automatic engine start/stop function is operational after each engine start. The function is activated above a certain speed. ▷ Manual transmission: above 3 mph, approx. 5 km/h. ▷ ...

    Starting the engine
    The engine starts automatically under the following conditions: ▷ Manual transmission: The clutch pedal is pressed. ▷ Automatic transmission: By releasing the brake pedal. When Auto ...

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