BMW 3 Owners & Service Manuals

BMW 3: Electrical Machine

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 Introduction

The electrical machine in the G20 PHEV is a permanently excited synchronous machine. It can convert electrical energy from the high-voltage battery unit into kinetic energy, by which the vehicl

 Repair

 Safe working practices for working on a high-voltage system

The following description of the repair of the high-voltage components is only a general list of the content and the procedure. In general, only the specifications and instructions in the current va

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 Automatic deactivation of the front-seat passenger airbags

Concept The system reads if the front passenger seat is occupied by measuring the human body's resistance. Front, knee, and side airbag on the front passenger's side are activated or deactivated. General information Before transporting a child on the front passenger seat, refer to the safety inform

 General information

When the vehicle is locked, the vehicle alarm system reacts to the following changes: Opening a door, the hood or the trunk lid. Movements in the car's interior. Changes in the vehicle tilt, for instance, during attempts at stealing a wheel or when towing the vehicle. Disconnected battery vol

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