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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Drive-ready state
Switching on drive-ready state
Depress the brake pedal.
Press the Start/Stop button.
Switching off drive-ready state
Steptronic transmission:
1. Engage selector lever position P with the vehicle
stopped.
2. Press the Start/Stop button.
The engine is switched off.
3. Set the parking brake.
Aut
Warning function
Light in the exterior mirror
Prewarning
The dimmed light in the exterior mirror indicates
when there are vehicles in the blind spot or approaching
from behind.
Acute warning
If the turn signal is switched on while a vehicle is
in the critical zone, the steering wheel vibrates
briefly and the light
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