18 00 020 Removing and Installing Complete Exhaust System (N62TU)
Special tools required
- 31 2 220
| 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 2 220.
Scheme 22
Note. Procedure is for the left side. Right side is identical.
Unfasten screw connection.
Slacken ball band clamp (1) from exhaust pipe.
Installation
Scheme 23
- Replace ball band clamps.
- Apply a thin coating of copper past to contact surface between ball and socket.
- When tightening down ball band clamps, press exhaust system against both manifold flanges in order to achieve gap-free installation.
- Install ball band clamp at right angles to exhaust pipe.
- Tightening torque 18 31 1AZ, see «EXHAUST SYSTEM - TIGHTENING TORQUES»(/bmw/x5/e70-2006-2010/remont/exhaust/#exhaust-system-tightening-torques-n52-n62) .
Release screws and remove holder (1).
Tightening torque 18 20 1A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Scheme 24
Release screws and remove holder (1).
Tightening torque 18 20 1A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Scheme 25
Release screws and remove holder (1).
Tightening torque 18 20 2A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Scheme 26
Release screws and remove holder (1).
Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
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.
Scheme 27
Installation
Align both tail pipes (1) of rear muffler in each case centrally to openings in rear apron.
Scheme 28
Installation
Check rubber mount for damage, replace if necessary.
Check exhaust system for leaks.
18 10 031 Replacing Rear Muffler (N62TU)
Special tools required
- 00 2 210
- 31 2 220
| WARNING | Scalding hazard! Only perform these tasks after exhaust system has cooled down. |
Support exhaust system with special tool 31 2 220 .
Note. If the cutting lines are not identified by notches in the pipes, they must be determined by means of the pipe lengths on the new rear muffler (2).
Carry over cutting lines to faulty rear muffler (2) and mark out.
Scheme 29
Cut both exhaust pipes at marked points with special tool 00 2 210 and deburr.
Scheme 30
Note. Secure exhaust system against falling off. Release screws and remove holder (1). (Scheme 33) Tightening torque 18 20 2A, see EXHAUST SYSTEM - TIGHTENING TORQUES.
Release screws and remove holder (1). (Scheme 34)
Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
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.
Installation
Connect front muffler to rear muffler by means of clamps and align.
Centre clamps and tighten down.
Tightening torque 18 20 5A, see EXHAUST SYSTEM - TIGHTENING TORQUES . .
Scheme 31
Installation
Align both tail pipes (1) of rear muffler are centrally situated in openings in rear apron.
Note. Check rubber mount for damage and replace if necessary. Check exhaust system for leaks.
18 10 040 Replacing Front Muffler (N62TU)
Special tools required
- 00 2 210
- 31 2 220
| WARNING | Scalding hazard! Only perform these tasks after exhaust system has cooled down. |
Support exhaust system with special tool 31 2 220 .
Note. If the cutting lines are not identified by notches in the pipes, they must be determined by means of the pipe lengths on the new rear muffler (2). Carry over cutting lines to faulty rear muffler (2) and mark out.
Cut both exhaust pipes at marked points with special tool 00 2 210 and deburr.
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: Replace ball band clamps. Apply a thin coating of copper past to contact surface between ball and socket. When tightening down ball band clamps, press exhaust system against both manifold flanges in order to achieve gap-free installation. Install ball band clamp at right angles to exhaust pipe. Tightening torque 18 31 1A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Scheme 32
Release screws and remove holder (1).
Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Scheme 33
Release screws and remove holder (1).
Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
Lower and remove front muffler with assistance of a second person.
Scheme 34
Installation
Connect front muffler to rear muffler by means of clamps and align.
Centre clamps and tighten down.
Tightening torque 18 20 5A, see EXHAUST SYSTEM - TIGHTENING TORQUES . .
Installation
Align front muffler to fit so both tail pipes (1) of rear muffler are centrally situated in openings in rear apron.
Note. Check rubber mount for damage and replace if necessary. Check exhaust system for leaks.
18 40 050 Removing and Installing/Replacing Right Exhaust Manifold (N62TU)
Necessary preliminary tasks
- Remove «exhaust system»(/bmw/x5/e70-2006-2010/remont/exhaust/#exhaust-repair-n62__18-00-020-removing-and-installing) .
- Remove right control sensor. See «EMISSION CONTROL, OXYGEN»(/bmw/x5/e70-2006-2010/remont/mechanical/#engine-repair-n62) .
- Remove right monitor sensor. See «EMISSION CONTROL, OXYGEN»(/bmw/x5/e70-2006-2010/remont/mechanical/#engine-repair-n62) .
- Remove right engine support arm.
For purposes of clarity, illustration shows and description refers to the removed engine.
Unscrew nuts.
Remove exhaust manifold downward.
Scheme 35
Installation
Replace seals. Seal beads face exhaust manifold. Coat threads with copper paste.
Replace nuts.
Tightening torque, 18 40 1A, see EXHAUST SYSTEM - TIGHTENING TORQUES .
