BMW 3 Series G20 (2018-2026) Training manual
BMW 3 Series G20 (2018-2026) Training manual
The BMW 3 Series G20 training manual is designed to provide detailed information and instructions to BMW technicians and dealership staff regarding the features, systems, and maintenance of the BMW 3 Series G20.
- Introduction
- Drive Components
- Electrical Machine
- Electrical Machine Electronics
- Introduction
- Connections
- Tasks
- DC/DC converter
- Power electronics for activation of the electrical machine
- High-voltage power management
- Voltage supply for other high-voltage consumers
- Cooling
- Antifreeze and corrosion inhibitor
- High-voltage Battery Unit
- Charging the High-voltage Battery Unit
- Hybrid Brake System
- Low-voltage Vehicle Electrical System
- Bus Systems
- Display and Operating Concept
- Driving modes
- Displays in the instrument cluster
- Displays in Central Information Display
- Load point increase
- Operating Strategy
- Climate Control
- Electrical Heating
- B46TU-B48TU Engines
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General information
Symbols used
The following symbol is used in this document to facilitate better
comprehension or to draw attention to very important information:
Contains important safety information and informatio
Training
Qualification to work on the high-voltage system of the G20 PHEV (Hybrid
Generation 4.0) can
be acquired via the respective web-based training if the service employee meets
the following
prereq
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Overview of charging options
The high-voltage battery unit of the G20 PHEV can generally only be charged
by alternating current
(AC charging) at a maximum charging power of 3.7 kW. The charging option for the
high-voltage
battery unit in the G20 PHEV is generally determined by the country-specific
charging inf
Electrical machine electronics (EME)
Electrical machine electronics
The function of the Electrical Machine Electronics (EME) is to activate and
regulate the permanently
excited synchronous machine in the high-voltage vehicle electrical system. This
necessitates the
use of a bidirectional DC/AC converter which converts the high-volta
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