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
6.3. Power supply system of diesel engines
6.4. Systems of release and decrease in toxicity of the fulfilled gases
6.4.1. General information
6.4.2. Removal and installation of the supercharger of air of the SAI system
6.4.3. Removal and installation lambda probes
6.4.4. Removal and installation of system of release of OG
6.4.5. Replacement of mufflers
6.4.6. Removal and installation of the tank and adsorber of the EVAP system
6.4.7. Removal and installation of the EVAP valve
6.4.8. Removal and installation of a radiator of the EGR system
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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6.4.5. Replacement of mufflers

Petrol models

 PERFORMANCE ORDER

  1. Measure length (A) of the end of a pipe on the new additional muffler.
  1. Transfer the received value to the additional muffler which is subject to replacement and cut off in this place an exhaust pipe by means of a truborez.

  1. On models with M60, M62 and M73 engines remove additional (behind the basic) the muffler (see the Section Removal and installation of system of release of OG) and install on the new muffler the rubber-metal hinge for a suspension bracket it on a beam of the back bridge.
  2. On models with the M52 engine remove additional (behind the basic) the muffler (see the Section Removal and installation of system of release of OG).
  1. Put on the new additional muffler the connecting coupling so that the cut of a pipe of the muffler was in the middle of the coupling.
  1. Connect the muffler to final system by means of the coupling.

Diesel models

 PERFORMANCE ORDER

  1. Measure length (B) of the ends of pipes on the new intermediate muffler.
  1. Transfer the received value to the intermediate muffler which is subject to replacement and cut off in this place exhaust pipes by means of a truborez.
  1. Cut both pipes between the catalytic converter and the intermediate muffler the detachable machine on a welded seam and smooth out the place of a cut. With Soshlifuyte the remains of a welded seam on the intermediate muffler, remove the remains of pipes from pipes of the catalytic converter.

If the remains of pipes do not manage to be removed from catalyst pipes, cut off at the corresponding length of a pipe of the new intermediate muffler.

  1. Openings on the new catalytic converter are closed by a self-adhesive film, – completely remove it.
  1. Connect the new intermediate muffler to the catalytic converter by means of connecting couplings.

Nuts of collars have to be turned down.

  1. Connect both additional mufflers.


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6.4.4. Removal and installation of system of release of OG
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6.4.6. Removal and installation of the tank and adsorber of the EVAP system