BMW 3 Owners & Service Manuals

BMW 3: Design

The main components of the electrical machine are:

  • Rotor and stator
  • Connections
  • Rotor position sensor
  • Cooling

The hybrid system in the G20 PHEV is a so-called parallel hybrid system. Both the combustion engine and the electrical machine are mechanically coupled with the sprockets. For vehicle drive it is possible to use both drive systems individually and at the same time.

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 Rotor and stator

Rotor and stator, electrical machine Stator Permanent magnets Rotor Hollow shaft with outer basket of separation clutch The electrical machine in the G20 PHEV is structured as an inner rot

 Connections

Connections, electrical machine Transmission bell housing Temperature sensor Coolant ducts Connection for coolant (transmission oil) Electrical connection, rotor position sensor High-voltage c

 Sensors

Sensors, electrical machine Temperature sensor Rotor of the rotor position sensor Stator of the rotor position sensor So that the voltages for the coils in the stator can be correctly calculated

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 System limits

Certain noises can be detected and may lead to problems. Keep the doors, windows, and glass sunroof closed. Noises from the front passenger or the rear seat bench can impair the system. Avoid making other noise in the vehicle while speaking. Major language dialects can cause problems with

 Anti-lock Braking System ABS

ABS prevents locking of the wheels during braking. The vehicle maintains its steering power even during full brake applications, thus increasing active safety. ABS is operational every time you start the engine. Brake assistant When you apply the brakes rapidly, this system automatically boosts th

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