BMW 3: Fuel System
BMW 3 Series G20 (2018-2024) Training manual / B46TU-B48TU Engines / Fuel System
The fuel system is made up of the fuel supply and fuel preparation systems. The fuel supply includes the fuel tank with all mounted parts and the fuel lines up to the engine compartment.
The fuel preparation system consists of the fuel filter lines in the engine compartment and all the fuel system parts on the engine.
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Fuel preparation
The fuel preparation has again been adapted to meet the emission legislation
requirements. The high
pressure pump and the injectors have been revised and designed for an fuel
injection pressure of
3
Fuel high-pressure pump
The single-piston high pressure pump by Bosch, well-known from the B46
engine, is used. The high
pressure pump HDP6 is driven by a triple cam which is attached to the exhaust
camshaft. To be able
to
Direct rail
Injector mounting
Mounting bolts
Plastic sleeve (not required to be reinstalled after taken apart for
service)
Holding clamp with bayonet fitting
Rail
Solenoid valve injector
Casting lug
Th
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Overview
Button in the vehicle
Intelligent Safety
Camera
The camera is installed near the interior mirror.
Keep the windshield in front of the interior mirror
clean and clear.
Radar sensors
The radar sensors are located in the front
bumper.
Front side bumper.
Front center bumper.
Keep the radar sensors
Valet parking mode
Concept
In the valet parking mode, the Control Display is
locked and operation via iDrive is no longer possible.
E.g., this mode can be used when the vehicle is
handed over for valet parking.
General information
In the valet parking mode, it is not possible to
change vehicle settings via iDrive. Per
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