Installing the complete exhaust system
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2022 BMW M340i xDrive, 2022 BMW M340i, 2022 BMW 330i xDrive, 2022 BMW 330i, and 2022 BMW 330e xDrive. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Component with heavyweight
.
Injury hazard!
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.
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!
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.
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.
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!
Injury hazard!
- Conduct all work in appropriate personal protective equipment only.
- Wear safety goggles and hand protection.
- Version with ribbon clamp:
Open the weld seam (1) with a conventional tool.
- Remove ribbon clamp (2).
- Replace the (2) ribbon clamp.
Parts: Ribbon cable 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, if necessary.NOTE: TECHNICAL INFORMATION
Conduct the following operation with the assistance of a second person. - Insert and install the exhaust system with the help of another person.
- Replace nuts (1).
Parts: Nuts
- Tighten nuts (1).TIGHTENING TORQUE SPECIFICATION
Rear silencer to body/bumper support M8 Replace nuts. tightening torque 19 Nm - Replace nuts (2).
Parts: Nuts
- Tighten nuts (2).TIGHTENING TORQUE SPECIFICATION
Rear silencer to body/bumper support M8 Replace nuts. tightening torque 19 Nm - Connect and lock the connector (1).
The connector (1) must engage audibly.
NOTE: The following step(s) must be performed if the listed component(s) is/are installed. - Replace the screw (1).
Parts: Screw
- Tighten the bolt (1) on the rear axle support.NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
- Replace the screw (3).
Parts: Screw
- Tighten the screw (3) on the rear axle support.
- Mount the ground strap (2) and tighten the screw (1).
- Replace nut (1).
Parts: Nut
- Tighten nut (1).TIGHTENING TORQUE SPECIFICATION
Front pipe/front silencer/gasoline particulate filter to the transmission holder M8 Replace nut. tightening torque 19 Nm - Tighten the ribbon clamp (1).TIGHTENING TORQUE SPECIFICATION
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 - version with V ribbon clip:
Replace V-band clamp.
Parts: V-band clamp
Unscrew the nut (1) and remove the sealing ring (2).
- Bend all sheet metal tabs around their entire perimeter (apart from those in the marked areas) with a suitable tool.
- Mount the V-clip (1) on the sealing ring (2).
- Make sure that the V-ribbon clip is (1) correctly positioned on the sealing ring (2).
- Make sure that, after mounting, the V-ribbon clip is on the sheet metal tabs in the marked areas.
- Connect the exhaust system (1) with the catalytic converter (2) and position it correctly (arrow).
- Make sure that V-clip (1) is fitted correctly.
- Tighten down screw (2).TIGHTENING TORQUE SPECIFICATION
V-ribbon clip to catalytic converter V-ribbon clip Replace V-ribbon clip. tightening torque 25 Nm
CAUTION:
Component with heavyweight.
Injury hazard!
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.
Heavy components can lead to injury or damage.
- Remove and install heavy components with the aid of another person/other persons.
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.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.
- Version 1 (Ribbon clamp)
Open the weld seam (1) with a conventional tool.
- Remove ribbon clamp (2).
- Replace the (2) ribbon clamp.
Parts: Ribbon cable clamp
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Check all the rubber mounts (1) of the exhaust system for damage.
- Replaced damaged rubber mounts.
Parts: Rubber mount
- Guide the exhaust system (3) in with the assistance of a second person and install.
- Replace nuts (2).
Parts: Nuts
- Tighten nuts (2).TIGHTENING TORQUE SPECIFICATION
Rear silencer to body/bumper support M8 Replace nuts. Tightening torque 19 Nm NOTE: The following step(s) must be performed if the listed component(s) is/are installed. - Connect connectors (1) and lock.
The connector (1) must engage audibly.
- Replace nut (1).
Parts: Nut
- Tighten the bolt (1) on the rear axle support.TIGHTENING TORQUE SPECIFICATION
Rear silencer on support Nut M8 Replace nut. tightening torque 19 Nm - Replace nut (1).
Parts: Nut
- Tighten nut (1).TIGHTENING TORQUE SPECIFICATION
Front pipe/front silencer/gasoline particulate filter to the transmission holder M8 Replace nut. tightening torque 19 Nm - Tighten the ribbon clamp (1).TIGHTENING TORQUE SPECIFICATION
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 - Version 2 (V-band clamp)
Replace V-band clamp.
Parts: V-band clamp
Unscrew the nut (1) and remove the sealing ring (2).
- Bend all the sheet metal tabs, except those in the marked area, all around using a suitable tool.
- Mount the V-clip (1) on the sealing ring (2).
- Make sure that the V-ribbon clip is (1) correctly positioned on the sealing ring (2).
- Make sure that, after mounting, the V-ribbon clip is on the sheet metal tabs in the marked areas.
- Connect the exhaust system (1) with the catalytic converter (2) and position it correctly (arrow).
- Make sure that V-clip (1) is fitted correctly.
- Tighten down screw (2).TIGHTENING TORQUE SPECIFICATION
V-ribbon clip to catalytic converter V-ribbon clip Replace V-ribbon clip. tightening torque 25 Nm Install the connecting supports on the tunnel
- Insert and install the connecting support (3) on the tunnel.
- Tighten down screws (2).
- Tighten the screws (arrows).TIGHTENING TORQUE SPECIFICATION
Connecting support to tunnel M8x25 screw Tightening torque 20 Nm Screw Tightening torque 3 Nm NOTE: The following step(s) must be performed if the listed component(s) is/are installed. - Secure the clamp (1).