BMW 5 Series: Vacuum Supply
Vacuum pump

Oil vacuum pump, B58/B58TU engine
- B58 engine, tandem oil pump with integrated vacuum pump
- B58TU engine, oil pump
- Vacuum pump
- Oil pump
Vehicles with a gasoline engine and "traditional brake system" need a vacuum
pump to boost the
pedal force. In vehicles with a gasoline engine and DSCi brake system no vacuum
boost is required as
in the DSCi brake system the pedal force is boosted hydraulically. The graphics
show the oil pumps of
the B58 engine and the B58TU engine with combined vacuum pump and without vacuum
pump.
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A new development for the B58TU engine is the split cooling. A cooling
concept which is used the
N63 TU2.
The split cooling function uses the electric split cooling valve, eSCV, to
enable on-demand
Heat management module with electric split cooling valve
Electric split cooling valve
To guarantee optimal heat distribution during the cylinder head and crankcase
warm-up, the coolant
supply fo
SEE MORE:
B468/B58 Engine
The B46/B58 engines have two separate coolant circuits. The coolant in the
low-temperature coolant
circuit to cool the charge air. The coolant in the high-temperature coolant
circuit to cool the engine.
The two coolant circuits each have their own expansion tank.
Overview of the
Concept
Additional information for the navigation can be
displayed in the right part of the split screen.
Switching on/off
1. Press the button on the
Controller.
2. Move the Controller to the right.
3. "Split screen".
4. "Split screen"
Selecting the display
1. Press the button on the
Controller