Removing and installing right intermediate pipe (N74)

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WARNING: Scalding hazard!
Only perform this work after engine has cooled down.

Necessary preliminary tasks:

Remove CATALYTIC CONVERTER , cylinders 1-6

NOTE: Graphic shows the left side, the procedure for the right side is identical.

Unscrew nuts (1).

Replace self-locking nut.

Tightening torque: see 6AZ in 18 31 EXHAUST SYSTEM

Release clamp (2).

If necessary, replace clamp.

Tightening torque: see 7AZ in 18 31 EXHAUST SYSTEM

Feed out and remove intermediate pipe (3).

Fig 1: Identifying Intermediate Pipe, Clamp And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Replace seals (1) and (2).

Fig 2: Identifying Seals

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check exhaust system for leaks.