BMW 3: Drive Components
BMW 3 Series G20 (2018-2026) Training manual / Drive Components
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Introduction
In the G20 PHEV, the B46B20O1 is an element of the BMW hybrid drive. The
4-cylinder engine,
which generates power of 135 kW (180 hp) and a maximum torque of 300 Nm,
guarantees mo
Fuel supply
For the operation of the combustion engine, the G20 PHEV is equipped with a
pressurized fuel
tank. As a result during purely electric driving it is guaranteed that the
gasoline fumes remain in
Components and their installation location
G20 PHEV components of the fuel supply in European version
Carbon canister
Pressurized fuel tank (in cast aluminum housing)
Fuel filler flap with cover
Fuel tank isolation valve
Cable for
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Engine Electrical System
Digital Motor Electronics (DME)
DME 8 control unit
The Digital Motor Electronics (DME) is the computing and switching center.
Sensors on the engine
and the vehicle deliver the input signals and actuators implement the commands.
The Digital Motor
Electronics (DME) calculates the corresponding acti
Equipotential bonding
The low-resistance connection between the housing of the high-voltage battery
unit and ground is
a crucial prerequisite for the fault-free function of the integrated isolation
monitoring. This is why it
is important to observe the correct tightening torque for all assembly screws.
It is also impo
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