REP-TAT-P-1812-25 Replacing the rear silencer

Exhaust system 

Courtesy of BMW OF NORTH AMERICA, INC.

Overview or exhaust system

1. Front silencer
2. Rear silencer

• If the separation point is not marked by a punch mark in the pipe, determine the separation point by means of the pipe length on the new rear silencer.
• Carry over separation point to faulty rear silencer and mark.
• Protect the front and rear silencers from falling down.
• Cut through exhaust pipes at marked point with a suitable tool.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock connector (1) and pull off.
• Loosen nuts (2).
• Lower the rear silencer with the assistance of another person and remove it.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Fit the new rear silencer (1) and connect it to the front silencer with clamps.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Check rubber mount for damage. Replaced damaged rubber mounts.
• Mount the rubber mount onto the new rear silencer.
• Replace nuts (2).
• Tighten nuts (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Rear Silencer To Body/Bumper Support
  M8 Replace nuts.	tightening torque	19 Nm

• Pin up connector (1) and lock audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Center and tighten clamp (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Clamp With Partial Replacement Of Exhaust System
  Clamp	tightening torque	45 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.