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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DC/DC converter
The DC/DC converter in the Electrical Machine Electronics of the G20 PHEV is
able to adopt the
following operating modes:
Standby (also in the event of a component fault or short circuit, power
electronics off)
Buck mode (energy flow to the low-voltage side, converter adjusts
voltage on
Driving out of a parking space
using the parking assistant
Concept
The system makes driving out of parallel parking
spaces easier.
General information
Steptronic transmission
The parking assistant calculates an optimal line
for pulling out of a parking space and takes control
of the following functions during the maneuver:
Steering.
Accelerating and brak
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