Installing the complete exhaust system

CAUTION: Component with heavy weight.
Injury hazard!

Note component's center of gravity.
Support component using a jack.
Secure component against falling off the jack.

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

CAUTION: Grinding dust from grinding of components.
Hazardous to health!

Directly draw off the grinding dust.
Ensure adequate ventilation.
Conduct all work in appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Check the exhaust system for tightness after installation.

NOTE: TECHNICAL INFORMATION
Mount the exhaust system in a de-energized state, following the tightening sequence from the rear silencer towards the exhaust manifold.

CAUTION: Shavings resulting from sawing or grinding components.
Injury hazard!

Conduct all work in appropriate personal protective equipment only.
Wear safety goggles and hand protection.

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect the weld seam (1) with a conventional tool.
Remove the clamp (2).
If necessary, replace clamp (2).
Parts: Clamp

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Check all rubber mounts (1) of the exhaust system for damage and replace where necessary.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
Conduct the following operation with the assistance of a second person.

Insert and install the exhaust system (3) with the help of an auxiliary person.
Tighten down screw (2).

TIGHTENING TORQUE SPECIFICATIONS

Rear silencer on rubber mount
M8X55	Tightening torque 19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Connect and lock the connector (1).
The connector (1) must engage audibly.
Tighten nut (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to rear axle final drive
M12X1.5	Tightening torque 30 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Replace nut (1).
Parts: Nut
Tighten nut (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to holder
M8 Replace nut.	Tightening torque 19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Replace nut (1).
Parts: Nut
Tighten nut (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to holder
M8 Replace nut.	Tightening torques 19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten clamp (2).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to catalytic converter
Ribbon cable clamp Replace flat band clip.	Tightening torque 28 Nm

Insert and install connecting supports (1).
Tighten screws (arrows).

TIGHTENING TORQUE SPECIFICATIONS

Connection carrier to body
M8X18	Tightening torque 24 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Guide in and install cover (1).
Tighten the nuts (arrows).

TIGHTENING TORQUE SPECIFICATIONS

Nuts to cover
Tightening torque	3.5 Nm

Tighten screws (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Screw to cover
Tightening torque	3 Nm