Preparing New Part
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
- Mark the separating cut (1) on the new part according to the separating cut (2) on the vehicle + 20 mm added material and cut.
- Adjust the luggage compartment floor and secure.
- Prepare the joints in areas (1) and (2) using the bond-and-rivet method.
- In the areas (1) and (2), make 9 x bore holes with 0 4.2 mm for blind rivet.
Area Number 1 3 2 6 - Prepare area (1) for joining by glue rivet method.
- In area (1), set 6 bores 0 4.2 mm for the blind rivet.
- Prepare area (1) for joining by bonded rivet method.
- In area (1), set a bore 0 4.2 mm for the blind rivet.
- Adjust the bracket (2) and prepare for joining by welding in area (3).
- Remove new component. Deburr bores.
Replacing the coarse thread bolt and threaded weld bolts (steel surface)
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Renew the coarse thread bolt (1) and the threaded weld bolt (2).
Parts : Coarse thread bolt, threaded weld bolt
Take the number and position from the component to be replaced or the add-ons.
- Weld the coarse thread bolt (1) and threaded weld bolt (2) onto the new part.
Check ground pins and replace if necessary
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Check the ground pins (1) for stability and renew if necessary.