BMW 3 Owners & Service Manuals

BMW 3: 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 350 bar (5076 psi).

Fuel preparation
Overview of fuel preparation

  1. Fuel delivery line
  2. Rail pressure sensor
  3. Direct rail
  4. Quantity control valve
  5. High pressure pump
  6. Solenoid valve injector

Strict cleanliness must be observed when carrying out any work on the fuel system !

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     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

     Solenoid valve injector

    Measures at the solenoid valve injector The following graphic illustrates the differences between the HDVE5 and HDEV6 fuel injectors: Solenoid valve injectors Solenoid valve injector HDEV5 Soleno

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     Interior lights

    General information Depending on the equipment version, interior lights, footwell lights, entry lights, ambient lighting, and speaker lighting are automatically controlled. Overview Buttons in the vehicle Interior lights Reading lights Switching the interior lights on/off Press the button. To swi

     Setting brightness and contrast

    Brightness and contrast can be adjusted with Surround View or Panorama View switched on. Via iDrive: 1. Move the Controller to the right, if needed. 2. "Camera image" 3. "Brightness" "Contrast" 4. Set the desired value. Functional limitations The system can be used only to a limited extent

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