BMW 3 Owners & Service Manuals

BMW 3: 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 vehicle is driven.

Both electric driving up to approximately 87 mph (140 km/h) as well as support of the combustion engine are possible, for example when overtaking (boost function) or for active torque support when changing gears.

In the reverse situation, the electrical machine converts kinetic energy into electrical energy during braking and in coasting (overrun) mode and stores this in the high-voltage battery unit (energy recovery).

The electrical machine is a high-voltage component

High-voltage component warning sticker

Each high-voltage component has on its housing an identifying label that enables Service employees and vehicle users to identify intuitively the possible hazards that can result from the high electric voltages used.

Only Service employees who satisfy all the prerequisites are permitted to work on the designated high-voltage components: suitable qualifications, compliance with the safety rules, procedure following the exact repair instructions.

For high-voltage safety reasons, with the exception of the high-voltage battery unit no other high- voltage component must be opened.



     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

     Procedure after an accident

    The safety concept of the high-voltage system ensures that, even during or after an accident, there is no danger to the customer, the rescue services or the service employee. The high-voltage system



    Setting the language The language to be used for voice activation and system announcements can be set. Via iDrive: 1. "CAR". 2. "Settings". 3. "General settings". 4. "Language". 5. "System language". 6. Select the desired language. Setting the voice dialog You can set the system to use standard

     Shift point indicator

    Concept The shift lights indicate the upshift point at which the best possible acceleration can be achieved. Functional requirement Shift lights are shown when the SPORT or SPORT PLUS driving program is activated. Switching on/off Steptronic Sport transmission: 1. Select SPORT or SPORT PLUS driving

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