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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Depending on the equipment
version: emergency brake
function, Active PDC
Concept
The emergency braking function of PDC initiates
an emergency braking in case of acute risk of
collision.
General information
This function may not be available. Contact your
authorized dealer's service center or another qualified service center as to
whether this additional
function is curr
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
