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
5.1. Engine cooling system
5.1.1. General information and precautionary measures
5.1.2. Removal and installation of a casing of the fan
5.1.3. Removal and installation of a radiator of the cooling system
5.1.4. Removal and installation of a broad tank
5.1.5. Removal and installation of the additional fan assembled with a casing
5.1.6. Removal and installation of the water pump
5.1.7. Removal and installation of the coupling of the drive of the fan
5.1.8. Removal and installation of the thermostat
5.1.9. Removal and installation of a collector of the cooling system
5.2. Systems of heating, ventilation and air conditioning
6. A power supply system and production 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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5.1.4. Removal and installation of a broad tank

Models with engines, except M57 and M67

 PERFORMANCE ORDER

  1. Lower cooling liquid only up to one point below than the level of a broad tank.
  1. Separate the socket of an electrical wiring of the sensor of the OZh (A) level, weaken a collar (B) and disconnect a hose from a broad tank.
  1. Uncover a broad tank and completely turn out the screw for pumping of the cooling system.
  1. Release an overlay of fastening of a broad tank from clamps.
  1. Delay a broad tank back and remove a ventilation hose.
  1. Release a broad tank from the lower fixing pads and remove the movement up.

At installation holders have to enter grooves on a fan casing.

  1. Installation is made upside-down. In conclusion pump over the cooling system and check it for tightness.

Models with the M57 engine

 PERFORMANCE ORDER

  1. Close the generator to prevent hit on it motive oil, fuel or OZh.
  2. Lower cooling liquid (see the Section Replacement of Cooling Liquid of the Head Nastroyki and routine maintenance of the car).
  1. Disconnect perepuskny a hose (1). Extend a cap the movement up and weaken a collar (2) fastenings of a hose for removal of air. Weaken a collar (3) and disconnect a hose.
  1. Wring out a clamp (4) and remove a broad tank (5) the movement up. Separate the OZh level sensor electrical wiring socket on the lower party of a broad tank.

At installation replace a collar (2) and to rearrange the sensor on a new broad tank.

Models with the M67 engine

 PERFORMANCE ORDER

  1. Lower OZh (see the Section Replacement of Cooling Liquid of the Head Nastroyki and routine maintenance of the car).
  1. Take rivets (1), uncover (2), squeeze the fixing pads of an arm (3) and remove it the movement up.
  1. Lift a casing (1) of the fan by means of the screw-driver (2) over the screw (3) pumpings of the cooling system. Remove a broad tank (4) the movement back.
  1. Cut a collar (1) and disconnect a hose (2) ventilations.

At installation use a new collar (1).


  1. Weaken a collar (1) of fastening of a water hose (2) and disconnect it from a broad tank (4). Separate the socket (3) sensors of the OZh level.
  1. Installation is made upside-down. If necessary rearrange the OZh level sensor on a new broad tank.


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5.1.3. Removal and installation of a radiator of the cooling system
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5.1.5. Removal and installation of the additional fan assembled with a casing