Removing the left hand front pipe

Replacing the front pipe 

Courtesy of BMW OF NORTH AMERICA, INC.

• If the separation point (1) is not marked by a punch mark (2) on the pipe, determine the separation point (1) by means of the pipe length on the new rear silencer.
• Transfer the separation point (1) to the faulty front pipe and mark it.
• Secure the front pipe against falling.
• Cut through exhaust pipes at the marked point with a suitable tool.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen nuts (1).
• Slide the circlip towards the rear.
• Feed out the front pipe (2) and remove it.

  Courtesy of BMW OF NORTH AMERICA, INC.