BMW X3 Owners Manual: The concept

The Auto Start/Stop function helps save fuel.

The system switches off the engine during a stop, e.g., in traffic congestion or at traffic lights. The ignition remains switched on. The engine starts again automatically for driving off.

Automatic mode

After every start of the engine using the Start/ Stop button, the Auto Start/Stop function is in the last selected state.

When the Auto Start/Stop function is active, it is available when the vehicle is traveling faster than about 3 mph, approx. 5 km/h.

Engine stop

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

• The selector lever is in selector lever 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 flow from the air conditioner is reduced when the engine is switched off.

Displays in the instrument cluster

The display indicates that the Auto Start/Stop function is ready for an Automatic engine start.

The display indicates that the conditions for an automatic engine stop have not been met.

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

• External temperature too low.
• The external temperature is high and automatic climate control is running.
• The car's interior 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.
• Vehicle battery is heavily discharged.
• At higher elevations.
• The engine compartment lid is unlocked.
• HDC Hill Descent Control is activated.
• The parking assistant is activated.
• Stop-and-go traffic.
• The selector lever is in position N, M/S or R.
• Use of fuel with high ethanol content.