BMW 3: Designation and identification
Designation of electrical machines
The electrical machine designation is used in the technical documentation for clear identification of the electrical machine. However, the identification of the electrical machine is relevant for Service.
Identification of the electrical machine
The electrical machines have an identification to ensure clear identification and classification. This identification is also necessary for approval by government authorities. The identification of the electrical machines is equivalent to the identification of the combustion engines. The serial number of the electrical machine can be found under the electrical machine identification on the electrical machine. This consecutive number, in conjunction with the identification, permits clear identification of each individual electrical machine.
The identification of the electrical machine in a G20 PHEV is as follows: GC1P25A.
Technical data
Installation location
G20 PHEV electrical machine installation location
- Electric Motor Electronics (EME)
- Circlip
- Lid at electrical machine
- Additional torsional vibration damper
- Separation clutch
- Electric motor
- Hollow shaft
- High-voltage battery unit
The hybrid components are integrated as individual components in the transmission bell housing and assume the installation space of the hydraulic torque converter in the transmission housing.
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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
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
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Concept, General information, Safety information
Concept
The system may prevent some accidents with
cross traffic at intersections and junctions. In the
event of an accident, the system may reduce impact
speed.
The system sounds a warning in the city speed
range before an imminent collision and activates
brakes independently, if needed.
General i
Flat Tire Monitor FTM
Concept
The system detects tire inflation pressure loss
on the basis of rotation speed differences between
the individual wheels while driving.
In the event of a tire inflation pressure loss, the
diameter and therefore the rotational speed of
the corresponding wheel changes. The difference
will be
