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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Safety information Warning High gross weight can overheat the tires, damage them internally and cause a sudden drop in tire inflation pressure. Driving characteristics may be negatively impacted, reducing lane stability, lengthening the braking distances and changing the steering response. There is

 Fuel high-pressure pump

The single-piston high pressure pump by Bosch, well-known from the B46 engine, is used. The high pressure pump HDP6 is driven by a triple cam which is attached to the exhaust camshaft. To be able to accommodate a fuel system pressure of 350 bar (5076 psi), the pump piston and tappet have bee

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