BMW 3: 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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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
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
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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Concept
BMW Group Accident Assistance can be contacted
if assistance is needed in the event of an
accident.
General information
If the vehicle sensors detect a minor to moderately
severe accident, which did not trigger any
airbags, a Check Control message appears on
the instrument cluster. In additi
General information
If the vehicle has a wireless network connection,
this enables data to be exchanged between the
vehicle and other systems. The wireless network
connection is realized via an in-vehicle transmitter
and receiver unit or via personal mobile devices
brought into the vehicle, for inst