BMW X5 Owners & Service Manuals

BMW X5: Exhaust System, Complete

REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N52K)

Special tools required:

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

Danger of injury! Removal of the exhaust system must be carried out with the assistance of a second person.

Support exhaust system with special tool 31 2 22 31 2 220 SUPPORT PLATE.

Exhaust System, Complete
Fig. 1: Identifying Special Tool (31 2 220)

NOTE: Texts refer to and illustrations show the left side. The procedure is identical for the right side.

Unfasten screw connection.

Slacken ball band clamp (1) from exhaust pipe.

Installation:

Exhaust System, Complete
Fig. 2: Locating Screw

Release screws and remove holder (1).

Tightening torque 18 20 1AZ.

Exhaust System, Complete
Fig. 3: Locating Screws

Release screws and remove holder (1).

Tightening torque 18 20 1AZ.

Exhaust System, Complete
Fig. 4: Identifying Holder

Release screws and remove holder (1).

Tightening torque 18 20 2AZ.

Exhaust System, Complete
Fig. 5: Locating Screws

Release screws and remove holder (1).

Tightening torque 18 20 3AZ.

NOTE: Texts refer to and illustrations show the left side. The procedure is identical for the right side.

Lower and remove exhaust system with assistance of a second person.

Exhaust System, Complete
Fig. 6: Locating Screws

Installation:

Align both tail pipes (1) of rear muffler in each case centrally to openings in rear apron.

Exhaust System, Complete
Fig. 7: Identifying Tail Pipes

Installation:

Check rubber mount for damage, replace if necessary.

Check exhaust system for leaks.

REPLACING EXHAUST PIPE WITH CATALYTIC CONVERTER, CYL. 1-3 (N52K)

Special tools required:

WARNING: Scalding hazard! These tasks should only be carried out on an exhaust system that has cooled down.

NOTE: If the cutting line is not marked by a punch mark in the pipe, determine the cutting line by means of the pipe length on the new exhaust pipe with catalytic converter (2). Carry over cutting line to faulty exhaust pipe with catalytic converter (2) and mark out.

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

Release bolt and remove bracket (1). Tightening torque 18 20 1AZ.

Support exhaust system.

Release nuts and remove exhaust pipe.

Installation:

Installation:

Connect exhaust pipe to centre muffler by means of clamp and align.

Centre clamp and tighten down.

Tightening torque 18 20 5AZ.

Installation:

Check rubber mount for damage, replace if necessary.

Check exhaust system for leaks.

REPLACING EXHAUST PIPE WITH CATALYTIC CONVERTER, CYL. 4-6 (N52K)

Special tools required:

WARNING: Scalding hazard! These tasks should only be carried out on an exhaust system that has cooled down.

NOTE: If the cutting line is not marked by a punch mark in the pipe, determine the cutting line by means of the pipe length on the new exhaust pipe with catalytic converter (1). Carry over cutting line to faulty exhaust pipe with catalytic converter (1) and mark out.

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

Release nuts and remove exhaust pipe.

Release nuts and remove exhaust pipe.

Installation:

Installation:

Connect exhaust pipe to centre muffler by means of clamp and align.

Centre clamp and tighten down.

Tightening torque 18 20 5AZ.

Installation:

Check exhaust system for leaks.

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