BMW 3: Exhaust System
BMW 3 Series G20 (2018-2025) Training manual / B46TU-B48TU Engines / Cooling System / Exhaust System
Exhaust turbocharger
Exhaust turbocharger
The exhaust turbocharger can be replaced individually and is exclusively made of steel. The boost charge pressure is still controlled by an electrical wastegate valve.
The Turbo on the B46TU and B48TU are different in design.
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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 p
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
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Power windows
Safety information
Warning
When operating the windows, body parts and
objects can be jammed. There is a risk of injury
or risk of damage to property. Make sure that
the area of movement of the windows is clear
during opening and closing.
Overview
Power windows
Safety switch
Functional requirements
Breaking-in period
General information
Moving parts need to begin working together
smoothly.
The following instructions will help you to achieve
a long vehicle life and good efficiency.
During break-in, do not use the Launch Control.
Safety information
Warning
Due to new parts and components, safety and
driver assi
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