BMW 3 Owners & Service Manuals

BMW 3: Introduction

BMW 3 Series G20 (2018-2024) 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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     System overview

    System overview of hybrid brake system Hydraulic braking Signal path Regenerative braking High-voltage battery unit Electric Motor Electronics (EME) Electric motor Drive train Digital Moto

     Hydraulic braking

    G20 PHEV, hydraulic braking The brake booster is operated via the driver's foot operation, and the brake actuation is determined by means of the brake pedal angle sensor. Depending on the brak

     Regenerative braking

    The regenerative braking makes possible brake energy regeneration. The electrical machine works here as an alternator and brakes the gears via automatic transmission - propeller shaft - re

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     Overview

    The driving and drive system modes are activated via the Driving Experience Control. The separate eDrive button, as known from the F30 PHEV, which can be used to shift through the drive system modes is no longer used. Its place is taken by the Battery Control button. G20 PHEV, center console

     Time

    Setting the time zone Via iDrive: 1. "CAR". 2. "Settings". 3. "General settings". 4. "Date and time". 5. "Time zone:". 6. Select the desired setting. The setting is stored for the driver profile currently used. Setting the time Via iDrive: 1. "CAR". 2. "Settings". 3. "General settings". 4.

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