BMW 3 Owners & Service Manuals

BMW 3: Driver assistance systems

BMW 3 Series G20 (2018-2026) Owners Manual / Driver assistance systems

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 Manual Speed Limiter

Concept The system can be used to set a speed limit, for instance to prevent the vehicle from exceeding speed limits. General information The system can limit the speed, starting at a value of 20 mph/

 Cruise control

Concept Using this system, a desired speed can be adjusted using the buttons on the steering wheel. The system maintains the desired speed. The system accelerates and brakes automatically as needed.

 Active Cruise Control with Stop & Go function ACC

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 Drive-ready state

Switching on drive-ready state Depress the brake pedal. Press the Start/Stop button. Switching off drive-ready state Steptronic transmission: 1. Engage selector lever position P with the vehicle stopped. 2. Press the Start/Stop button. The engine is switched off. 3. Set the parking brake. Aut

 Valve gear

VANOS VANOS unit B46 engine and B46TU/B48TU engines VANOS B46 engine VANOS B46TU and B48TU engine Following the changeover from a two-part chain drive to a single-part chain drive, the camshaft sprockets on the VANOS now have 46 teeth instead of the previous 36 teeth. To compensate for the ad

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