BMW 3: Cooling System
BMW 3 Series G20 (2018-2023) Training manual / B46TU-B48TU Engines / Cooling System
- Split cooling
- Heat management module
- Operating strategy
- Operating temperature
- Coolant pump
- Exhaust System
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Split cooling
Split cooling is a new development for the B46TU engine. This cooling concept
is a modified version
of which is already used in the N63TU2.
The Split Cooling function uses the electrical Split Cooli
Heat management module
The heat management module replaces the characteristic map thermostat.
Heat management module
Electrical Split Cooling Valve (SCV)
Coolant output towards the coolant pump
Electrical actuator
Rot
Operating strategy
The following graphic shows the positions of the rotary valve as the coolant
temperature increases:
Switching diagram heat management module
0% - Rotary valve closed
100% - Rotary valve open
Cold
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Selector lever positions
Drive mode D
Selector lever position for normal vehicle operation.
All gears for forward travel are activated automatically.
R is reverse
Engage selector lever position R only when the
vehicle is stationary.
Neutral N
The vehicle may be pushed or roll without power,
for instance in vehicle washes i
Integrated Owner's Manual
in the vehicle
Concept
The Integrated Owner's Manual specifically describes
features and functions found in the vehicle.
The Integrated Owner's Manual can be displayed
on the Control Display.
Selecting the Owner's Manual
1. Press the button.
2. "CAR".
3. "Owner's Manual".
4. Select the desired method of access
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