BMW 3 Owners & Service Manuals

BMW 3: Driving

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 Start/Stop button

Concept Pressing the Start/Stop button switches drive-ready state on or off. Steptronic transmission: the drive-ready state is switched on when you depress the brake pedal while pressing the Start/St

 Auto Start/Stop function

Concept The Auto Start/Stop function helps save fuel. The system switches off the engine during a stop, for instance in traffic congestion or at traffic lights. Drive-ready state remains switched on.

 Driving Dynamics Control

Concept The Driving Dynamics Control influences the driving dynamics properties of the vehicle. The vehicle can be adjusted depending on the situation using various driving modes. General information

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 Power electronics for activation of the electrical machine

The power electronics for the activation of the electrical machine are mainly made up of the bidirectional DC/AC converter. It is a pulse converter with a 2-pin DC voltage connection and a 3-phase AC voltage connection. This DC/AC converter can work as an inverter and conduct electrical energy fr

 Refuelling

The pressurized fuel tank must be vented before refuelling. To initiate the refuelling procedure, the button in the driver's door first needs to be operated. The button is not active when the vehicle is in "PARK" mode. The status of the button is evaluated by the hybrid pressure refuelling electr

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