BMW 3: Introduction

BMW 3 Series G20 (2018-2026) Training manual / Hybrid Brake System / Introduction

The function of the brake system of the G20 PHEV is to decelerate the vehicle safely under stable conditions. Vehicle deceleration is made up of the following elements:

Conventional hydraulic braking
Regenerative braking

Thanks to regenerative braking it is possible to convert the kinetic energy of the vehicle into electrical energy with the help of the electrical machine, and to therefore charge the high-voltage battery unit.

The service brake of the G20 PHEV is based on that of a conventional G20. In this chapter only the hybrid-specific components and functions are described.

In comparison to the conventional G20, the following new or modified components are used:

Brake pedal travel sensor
Brake vacuum pressure sensor
Modified vacuum brake system
Modified DSC unit

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Rear collision preparation

Concept The system reacts to vehicles approaching from behind. General information Two radar sensors in the rear bumper monitor the area behind the vehicle. When a vehicle approaches from the rear at a certain speed, the system responds as follows: Active Protection: when a collision seems to b

Seat heating

Overview Front Seat heating Rear Seat heating Switching on Press the button once for each temperature level. The maximum temperature is reached when three LEDs are lit. When ECO PRO is activated the heating output is reduced. If the trip is continued within approx. 15 minutes after a stop, se

BMW 3: Introduction

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System overview

Hydraulic braking

Regenerative braking

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Rear collision preparation

Seat heating