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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.
G12702430Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
G14183324Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Conduct the following operation with the assistance of a second person.
TIGHTENING TORQUE SPECIFICATIONS

Rear silencer to body/bumper support 
M8
Replace nuts.
Tightening torque  19 Nm
G14193011Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Rear silencer to body/bumper support 
M8
Replace nuts.
Tightening torque  19 Nm
G14193012Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
G14193009Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to rear axle carrier 
M8x25
Replace screw.
Tightening torque  28 Nm
NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
G14193010Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to rear axle carrier 
M8x25
Replace screw.
Tightening torque  28 Nm
TIGHTENING TORQUE SPECIFICATIONS

Front pipe/front silencer/gasoline particulate filter to the transmission holder 
M8
Replace nut.
Tightening torque  19 Nm
G14228344Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to catalytic converter 
Ribbon clamp nut
M8
Replace the ribbon clamp.
Tightening torque  26 Nm
Ribbon clamp nut
M10
Replace the ribbon clamp.
Tightening torque  55 Nm
G14228342Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

V-ribbon clip to catalytic converter 
V-ribbon clip
Replace V-ribbon clip.
Tightening torque  25 Nm
G12887738Courtesy of BMW OF NORTH AMERICA, INC.