BMW 5 Series Owners & Service Manuals

BMW 5 Series: Fuel System

Fuel preparation

The fuel preparation has been modified to meet the requirements of emission legislation. The high pressure pump and the injectors have been revised and designed for a fuel injection pressure of 350 bar.

Fuel preparation
Fuel preparation, B58TU engine

  1. Injector
  2. Holding clamp
  3. Rail pressure sensor
  4. Rail
  5. High-pressure line
  6. High pressure pump
  7. Quantity control valve
  8. Fuel feed line

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


 Direct rail

Mounting the injectors Mounting bolts Plastic sleeve Holding clamp with bayonet fitting Rail Solenoid valve injector Cast lug The solenoid valve injectors are fastened to the holding clamp w

 Solenoid valve injector

Measures at the solenoid valve injector The following graphic illustrates the differences between the EURO 6b and EURO 6c versions: EURO 6 measures, solenoid valve injector Solenoid valve injecto

 Engine Electrical System



BMW maintenance system The maintenance system indicates required maintenance measures, and thereby provides support in maintaining road safety and the operational reliability of the vehicle. In some cases, scopes and intervals of the maintenance system may vary according to the country version. Rep

 Front passenger airbag

The purpose of the front passenger airbag is to reduce the risk of accident to the front passenger in the event of a front-end crash. The front passenger airbag is located in the dashboard. When the front passenger airbag expands, the dashboard tears open at defined points. A two-stage gas genera

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