BMW 3 Owners & Service Manuals

BMW 3: Exhaust System

Exhaust turbocharger

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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     Assistance functions

    General information More than one assistance function can be active at the same time. The following assistance functions can be manually activated: "Parking aid lines". "Obstacle mark.". "Car wash". The following assistance functions are automatically displayed: Side protection. Door openin

     Received destinations

    General information Depending on the national-market version, the destinations are automatically stored as received destination and can be applied in the destination guidance, if they were transferred to the vehicle via the BMW Connected app. For example, destinations that were sent from the Concie

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