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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Low-voltage connections
In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the front left power distribution box
Terminal 30C (terminal 30 crash signal)
Ground
FlexRay
Check Control
Concept
The Check Control system monitors functions in
the vehicle and notifies you of malfunctions in
the monitored systems.
General information
A Check Control message is displayed as a combination
of indicator or warning lights and text
messages in the instrument cluster and, if applicable,
in th
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