BMW 3 Owners & Service Manuals

BMW 3: 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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 AUTO program

Concept The AUTO program cools, ventilates or heats the car's interior automatically. The air distribution and temperature are controlled automatically depending on the temperature in the car's interior and the desired temperature setting including the selected intensity of the air flow. Switching

 Trunk lid

Trunk lid and doors Depending on the vehicle equipment and country version, this setting may not be offered. Via iDrive: 1. "CAR". 2. "Settings". 3. "Key button settings". 4. Select the symbol. 5. Select the desired setting: "Tailgate" The trunk lid is opened. "Tailgate and door(s)" The t

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