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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High-voltage cables
The high-voltage cables connect the high-voltage components and are
identified by orange cable
sleeves. The manufacturers of hybrid cars have agreed on a uniform
identification of the high-voltage
cable with the orange warning color. An overview of the high-voltage cables used
in the G20 PHE
Interior
The interior equipment of the G20 PHEV also differs from the conventional G20
in various features.
G20 PHEV interior identifying features
Hybrid-specific displays in the instrument cluster (KOMBI)
eDRIVE menus in the Central Information Display (CID)
Refuelling button
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