BMW 3: Cooling System
BMW 3 Series G20 (2018-2025) 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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Operating concept
Concept
iDrive includes a large number of functions.
These functions can be operated via the Controller
and, depending on the equipment version, via
touchscreen, voice activation system or gesture
control.
Safety information
Warning
Operating the integrated information systems
and communication de
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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