18 32 081 Removing and Installing/Replacing Exhaust Pipe with Catalytic Converter for Cylinders 1-3

18 32 081 Removing and installing/replace exhaust pipe with catalytic converter for cylinders 1-3 (N54)

Special tools required:







WARNING:
Risk of burning.
This repair work may only be carried out on an exhaust system which has cooled down.







Necessary preliminary tasks:
- E91,E92,E93 only:
Remove trailing link.







NOTE: Interface for exhaust pipe (1) is designated by a notch in the pipe.







Cut exhaust pipe with special tool 00 2 210 at marked point and deburr.







Release nuts for left exhaust pipe.

Installation note:
- Replace self-locking nuts.
- Replace gasket.
- Tightening torque 18 00 1AZ.







Release screw.
Tightening torque 18 20 1AZ.
Take off holder (1) and remove exhaust pipe.







Installation note:
Connect exhaust pipe to centre silencer by means of clamp and align.
Align clamp and tighten down.
Tightening torque 18 00 5AZ.







NOTE: Check exhaust system for leaks.