BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
6.1. General information and security measures
6.2. Power supply system of petrol engines
6.2.1. Principles of functioning of a control system of the petrol engine
6.2.2. Removal and installation of the case of the air cleaner
6.2.3. Removal and installation of a branch pipe between a flowmeter of air and the case of a butterfly valve
6.2.4. Removal and installation of the case of a throttle, replacement of its laying
6.2.5. Removal and installation of the IAC valve
6.2.6. Removal and installation of the fuel distributive highway and injectors
6.2.7. Replacement of the regulator of pressure of fuel
6.2.8. Removal and installation of the fuel pump
6.2.9. Removal and installation of sensors of a reserve of fuel
6.2.10. Removal and installation of the fuel tank
6.2.11. Removal and installation of a fuel jellied mouth
6.3. Power supply system of diesel engines
6.4. Systems of release and decrease in toxicity of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



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6.2.6. Removal and installation of the fuel distributive highway and injectors

Models with the M52 engine

 PERFORMANCE ORDER

  1. Switch off ignition.
  1. Remove caps of bolts and turn out them. Uncover injectors.
  1. Separate the electrical wiring socket Ý/m the VANOS valve. Wring out clamps and separate electrical wiring sockets a lambda probes. Remove and put aside an assembly level of sockets of injectors.
  1. Mark the bringing and returnable fuel-supply lines not to mix them at the subsequent installation then disconnect fuel-supply lines from the fuel distributive highway.

If necessary replace sealing rings or the other damaged details.


  1. Turn out bolts and disconnect a vacuum hose from the fuel pressure regulator. Remove, having pulled up, the distributive highway together with injectors.
  1. Having removed a clamp, remove an injector.
  1. Installation is made upside-down.

Models with the M52TU engine

 PERFORMANCE ORDER

  1. Switch off ignition.
  1. Remove the saloon filter and open the cable channel located on the lower part (2) of its cases. Extend cables outside. Turn out bolts (1) and remove the lower part (2) cases of the saloon filter.
  1. Take out caps of bolts and turn out them. Uncover injectors (see an illustration).
  1. Disconnect a vacuum hose (1) from the fuel pressure regulator. Separate the socket of an electrical wiring of the IAT (2) sensor and remove an assembly level (3) injectors.
  1. Mark sockets (1) of an electrical wiring a lambda probes of groups of cylinders No. No. 1-3 and No. No. 4-6 not to mix them at the subsequent installation. Wring out clamps and separate sockets. Remove holders of sockets from the fuel distributive highway.
  1. Mark the bringing and returnable fuel-supply lines (2 and 3) not to mix them at the subsequent installation. Remove clamps of fuel-supply lines from the back party of a head of the block of cylinders. If necessary replace sealing rings or the other damaged details.
  1. Turn out bolts and remove the fuel distributive highway together with injectors.
  1. If necessary remove injectors.
  2. Installation is made upside-down. For simplification of installation of the distributive highway grease sealing new rings of injectors with means for sliding simplification.

Models with M60 and M62 engines

 PERFORMANCE ORDER

  1. Switch off ignition.
  2. Remove the top cover of the engine.
  1. Remove collars of fastening of wires. Unhook a gas cable from the lever of a butterfly valve.
  1. Uncover ignition coils on both sides of a head of cylinders (see an illustration).
  1. Separate sockets of coils of ignition.
  1. Remove a box of an electrical wiring (2) and put them aside. Separate sockets of an electrical wiring of injectors.
  1. Press the bringing and returnable fuel-supply lines and remove them. Collect the flowed-out fuel.

At installation use new collars of fastening of hoses.


  1. Disconnect a vacuum hose from the fuel pressure regulator.
  1. Turn out bolts of fastening of the fuel distributive highway and remove it together with injectors.
  1. If necessary unclench brackets and remove injectors.
  2. Installation is made upside-down. For simplification of installation of the distributive highway grease sealing new rings of injectors with means for sliding simplification.

Models with the M73 engine

 PERFORMANCE ORDER

  1. Switch off ignition.
  1. Separate engine electrical wiring sockets, lift an electrical wiring and fix it on a cowl.

  1. Disconnect fuel hoses.

At installation replace hoses and collars of their fastening.


  1. Turn out bolts of fastening of the fuel distributive highway and remove it together with injectors.
  1. If necessary unclench brackets and remove injectors.
  2. Installation is made upside-down. For simplification of installation of the distributive highway grease sealing new rings of injectors with means for sliding simplification.


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6.2.5. Removal and installation of the IAC valve
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6.2.7. Replacement of the regulator of pressure of fuel