18 00 018 Removing and installing complete exhaust system (B36, B38)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Danger of burning and other injuries!

This repair work may only be carried out on an exhaust system which has cooled down.

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

Necessary preliminary tasks:

Use a suitable jack to support and secure the exhaust system against falling.

Removal:

Loosen screws.

Remove cover (1).

Fig 1: Locating Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Version 1 (ribbon clamp):

Release clamp (1).

Replace clamp (1).

Parts: Clamp.

Fig 2: Exhaust System Clamp (Version 1: Ribbon Clamp)

Courtesy of BMW OF NORTH AMERICA, INC.

Version 2 (V-ribbon clamp):

Release clamp (1).

Replace clamp (1).

Parts: Clamp.

Fig 3: Exhaust System Clamp (Version 2: V-Ribbon Clamp)

Courtesy of BMW OF NORTH AMERICA, INC.

F56 only:

Loosen screws (1).

Remove connection carrier.

Fig 4: Connection Carrier Screws

Courtesy of BMW OF NORTH AMERICA, INC.

F55 only:

Loosen screws (1).

Remove front connection carrier (2).

Loosen screws (3).

Remove rear connection carrier (4).

Fig 5: Connection Carriers And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Spray rubber mount (1) with lubricant and detach from exhaust system.

Replace damaged rubber mounts.

Parts: Rubber mount

Fig 6: Exhaust System Clamp (Version 2: V-Ribbon Clamp)

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screws (1).

Remove cross strut (2) on rear axle support.

Fig 7: Cross Strut And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Spray rubber mount (1) with lubricant and pull off from rear silencer.

Replaced damaged rubber mounts.

Parts: Rubber mount

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

Fig 8: Rear Silencer Rubber Mount

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation for installation:

Check rubber mount for damage, replace if necessary.

Installation, version 1 (ribbon clamp):

Install new circlip.

Install exhaust system and connect to the catalytic converter with the assistance of a second person.

Tighten clamp (1).

Tightening torque 18 20 1AZ .

Fig 9: Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Installation, version 2 (V-ribbon clamp):

Release nut (1) and remove sealing ring (2).

Fig 10: Sealing Ring And Nut (Version 2: V-Ribbon Clamp)

Courtesy of BMW OF NORTH AMERICA, INC.

Mount sealing ring (1) on exhaust system.

Make sure that the sealing ring (1) is positioned correctly for the V-ribbon clip (2).

Fig 11: Sealing Ring And V-Ribbon Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

Bend all metal sheets round, apart from those in the marked areas, with a suitable tool.

Fig 12: Metal Sheets

Courtesy of BMW OF NORTH AMERICA, INC.

Mount the V-ribbon clip (1) on the sealing ring (2).

Make sure that the V-ribbon clip (1) is positioned correctly on the sealing ring (2).

Fig 13: Sealing Ring And V-Ribbon Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Make sure that, after mounting, the V-ribbon clip is on the metal sheets (markings).

Fig 14: V-Ribbon Clip On Metal Sheets

Courtesy of BMW OF NORTH AMERICA, INC.

Connect exhaust system (1) to catalytic converter (2) and position correctly.

Fig 15: Connecting Exhaust System To Catalytic Converter

Courtesy of BMW OF NORTH AMERICA, INC.

Ensure correct fit of the V-ribbon clip (1).

Tighten screw (2).

Tightening torque 18 20 1AZ .

Fig 16: V-Ribbon Clip And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Connect rubber mount (1) to rear silencer.

Fig 17: Rear Silencer Rubber Mount

Courtesy of BMW OF NORTH AMERICA, INC.

Connect rubber mount (1) to exhaust system.

Fig 18: Exhaust System Clamp (Version 2: V-Ribbon Clamp)

Courtesy of BMW OF NORTH AMERICA, INC.

F56 only:

Install connection carrier.

Tighten down screws (1).

Tightening torque 18 30 4AZ .

Fig 19: Connection Carrier Screws

Courtesy of BMW OF NORTH AMERICA, INC.

F55 only:

Install front connection carrier (2).

Tighten down screws (1).

Tightening torque 18 30 7AZ .

Install rear connection carrier (4).

Tighten down screws (3).

Tightening torque 18 30 4AZ .

Install cross strut (2) on rear axle support.

Tighten down screws (1).

Tightening torque 33 31 2AZ .

Fig 20: Cross Strut And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Position cover (1).

Tighten the screws.

Fig 21: Locating Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work:

Check exhaust system for leak tightness.