BMW 7_ая the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
5. Systems of cooling 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 an air purifier
6.2.3. Removal and branch pipe installation between a flowmeter of air and the butterfly valve case
6.2.4. Removal and installation of the case of a throttle, replacement of its laying
6.2.5. Removal and IAC valve installation
6.2.6. Removal and installation of the fuel distributive highway and injectors
6.2.7. Replacement of a 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 stock of fuel
6.2.10. Removal and installation of a 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. Kardanny and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes




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6.2.4. Removal and installation of the case of a throttle, replacement of its laying

Case of a throttle of ASC T of the M52 models

 PERFORMANCE ORDER

  1. Separate sockets.

At installation connect PCV hose on soaking-up hose.


  1. Disconnect a cable of a drive of a butterfly valve.

At cable installation the gap should make 0.5 ÷ 1 mm.


  1. Check a condition of a sealing ring (1) and if necessary replace it.
  1. Weaken a collar (1), turn out bolts (2).
  1. To turn out bolts of fastening of an arm of the case of a throttle and remove an arm.
  1. Installation is made upside-down.

Laying of the case of a throttle of the M52 models

 PERFORMANCE ORDER

  1. Remove an air flowmeter (see. Section Removal and installation of the case of an air purifier).
  2. Remove the case of a throttle of ASC T system.
  1. Unhook a cable of a drive of a butterfly valve. Disconnect and block hoses of heating of a butterfly valve.

Thus the insignificant quantity of OZh follows.


  1. Turn out bolts and remove the butterfly valve case together with consolidation. Replace laying.
  1. Installation is made upside-down. Check level of OZh and if necessary modify it.

Case of a throttle of the M52TU models

 PERFORMANCE ORDER

  1. Disconnect a negative wire from the storage battery.
  2. Remove the air purifier case.
  3. Remove an air flowmeter (see. Section Removal and installation of the case of an air purifier).
  1. Extend a cable from the holder (1) movement up and unhook from the mechanism of a drive of a butterfly valve.

At installation adjust a cable of a drive of a butterfly valve.


  1. Weaken collars (1). Disconnect a branch pipe from the butterfly valve and IAC valve case.

  1. Disconnect sockets of the resonant valve (1) and the IAC (2) valve, and also Д/В pressure (1) and temperatures (2) impellent oils.
  1. Turn out bolts of fastening of a box of electroconducting.
  1. Liberate топливопроводы and a wire of the sensor of level of oil from the holder (1) on a directing tube щупа level of impellent oil. Disconnect from a directing tube a drain oil pipeline (2), turn out a bolt (3) and remove directing tube щупа level of impellent oil.

At installation replace a sealing ring of a directing tube.


  1. Take a box of electroconducting (1) aside and disconnect the socket (2) from the butterfly valve case. Turn out bolts (3) and remove the butterfly valve case.
  1. Installation is made upside-down. Pay attention to the next moments:
    1. Replace a sealing ring of the case of a butterfly valve;
    2. Before connection fix the socket on the butterfly valve case. For this purpose, holding the case of a fork of the socket, turn on it fixing ring clockwise (looking from a free end face of a fork) that the clamp was latched. Between ledges on the case of a fork the opening through which at the correct fixing the red lock pin should be visible is located;
    3. At socket connection the white label in the form of an arrow on the case of a fork should coincide with an arrow on the butterfly valve case. Join the socket, turn fixing ring clockwise (taking a detached view electroconducting connections to a fork);
    4. If the butterfly valve acted in film for the purpose of its replacement because of malfunction, it is necessary to bring anew by means of the diagnostic equipment in ECM initial values of correction.

Case of a throttle of ASC T of the M60 and M62 models

 PERFORMANCE ORDER

  1. Switch off ignition.
  1. Disconnect a hose (1). Weaken a collar (2) and remove a protective cover.
  1. Separate the socket.
  1. Hang out a cable of a drive of a butterfly valve.

At installation adjust a cable of a drive of a butterfly valve so that it did not sag.


  1. Turn out bolts (1-3) and remove the butterfly valve case.
  1. Installation is made upside-down.

At installation replace laying of the case of a throttle.

Case of a throttle of the M60 and M62 models

 PERFORMANCE ORDER

  1. Switch off ignition.
  2. Remove the top cover of an impellent compartment.

Models with the IAC valve

 PERFORMANCE ORDER

  1. Separate the socket on the IAC valve and on a butterfly valve potentiometer.
  1. Wring out brackets (1), weaken a collar (2) (if it is established) and disconnect a hose. Separate the socket (3). On models with the M62 engine separate the socket of electroconducting of the IAT sensor.
  1. Weaken collars (1 and 2) and remove hoses of a fence of air together with the top section of the case of an air purifier.
  1. Remove cables (1 and 2) managements of a butterfly valve (pedals of gas and темпостата).

At installation the cable of a pedal of gas should not have a free wheeling, and the free wheeling of a cable темпостата should make 1 ÷ 2 mm.


  1. Disconnect a vacuum hose from the butterfly valve case.
  1. Turn out bolts (1-6) and remove the butterfly valve case.
  1. Installation is made upside-down. Replace laying of the case of a butterfly valve.

Models without the IAC valve

 PERFORMANCE ORDER

  1. Separate the socket (1), disconnect vacuum pipelines (4) and remove soaking-up pipe (3) with the top section (2) cases of an air purifier.
  1. Separate the socket (1), remove a sealing ring (3) which, probably, it was necessary to sit on the place. Turn out screws (2) and remove the butterfly valve case.
  1. Installation is made upside-down. If necessary replace laying of the case of a butterfly valve.

Case of a throttle of the M73 models

 PERFORMANCE ORDER

  1. Disconnect a negative wire from the storage battery. Switch off ignition.
  2. Remove the top cover of the engine.

Case of a throttle of No. No. 7-12 cylinders

 PERFORMANCE ORDER

  1. Disconnect a branch pipe from the butterfly valve case. Separate the socket (1), turn out bolts and remove an arm of fastening of a conclusion of the positive plug of the storage battery in an impellent compartment.

At installation replace laying.


  1. Unclench a collar (1) fastening and remove a hose. Disconnect a hose (2). At the corresponding complete set remove the valve of supply of additional air.

At installation replace a fuel hose to the EVAP valve and a fastening collar.

Case of a butterfly valve of No. No. 1-6 cylinders

 PERFORMANCE ORDER

  1. Disconnect a branch pipe from the butterfly valve case. Separate the socket (1) and turn out fastening bolts.

At installation replace laying.


  1. Weaken a collar (1) and disconnect a hose. At the corresponding complete set remove the valve of additional air.

At installation replace a fuel hose to the EVAP valve and a fastening collar.



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6.2.3. Removal and branch pipe installation between a flowmeter of air and the butterfly valve case
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6.2.5. Removal and IAC valve installation