BMW 5 Series E39

since 1996-2001 release

Repair and operation of the car

+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Cooling systems, heating
- Power supply system and release
   + Power supply system
   + System of injection of the petrol engine
   + Power supply system of the diesel engine
   - System of production of the fulfilled gases
      Operation of the catalytic converter
      Security measures for cars with the catalytic converter
      Removal and installation of system of release
      Replacement of the main muffler
      Removal and installation of the sensor of oxygen
      Check of tightness of system of release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment
+ System of onboard diagnostics


Replacement of the main muffler

The main muffler can be replaced irrespective of other elements of system. For its office it is possible to use a chain rassekatel of pipes, for example, of HAZET.


1. Lift and install the car on supports.

2. Measure length (A) of an element of a pipe at the new muffler. Address an accompanying illustration.

3. Transfer the received value of the size (A) to the installed main muffler. In the received place cut off a pipe and round off sharp edges.

4. Connect the new muffler by means of a collar (shooter on an accompanying illustration) (spare part). The joint has to be in the center of a collar.

5. Expose system of release and a collar so that it had a uniform gap not less than 25 mm in relation to a body everywhere. Besides, trailer pipe has to have uniform distance from a body around its selection.

6. Lower the car on wheels.