BMW 5 Series: Starting the engine - Automatic Engine Start/Stop 
Function - Driving - Controls - BMW 5 Series Owners ManualsBMW 5 Series: 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 Automatic Hold is activated: press the accelerator.
After the engine starts, accelerate as usual.

Safety mode

After the engine switches off automatically, it will not start again automatically if any one of the following conditions are met.

▷ The driver's safety belt is unbuckled and the driver's door is open.
▷ The hood was unlocked.

The indicator lamps come on.

The engine can only be started via the Start/ Stop button.


Even if driving away was not intended, the deactivated engine starts up automatically in the following situations:

▷ Excessive warming of the passenger compartment when the cooling function is switched on.
▷ The steering wheel is turned.
▷ Automatic transmission: the transmission position is changed from D to N, R, or M/S.
▷ Automatic transmission: the transmission position is changed from P to N, D, R, or M/ S.
▷ Automatic transmission: the accelerator and the brake are pressed at the same time.
▷ The vehicle begins rolling.
▷ Fogging of the windows when the automatic climate control is switched on.
▷ The vehicle battery charge is very low.
▷ Excessive cooling of the passenger compartment when the heating is switched on.
▷ Low brake vacuum pressure; this can occur, for example, if the brake pedal is depressed a number of times in succession.

    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 ...

    Preventing an automatic engine stop with automatic transmission
    The concept To make it possible to drive away very quickly, such as at an intersection, the automatic engine stop can be actively prevented. Preventing an engine stop using the brake pedal Th ...

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