General Information On Gluing/Bonding (Carbon-Fibre-Reinforced Roof) Rep-Alg-RAE9241COU-4105400_CFK - V.2 (M4 2021-2023)
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.
IMPORTANT:
Conform with safety precautions. Refer to SAFETY AT WORK REP-ALG-RAGRP41-4102100 - V.6 (M4 2021-2023) !
- The bonding surfaces must be kept free of all types of dirt and contamination. Avoid leaving fingerprints.
- Cleanliness is the golden rule for all bonds!
Materials and tools required :
- Sikaforce 7888 adhesive cartridge
- Cartridge gun (part number 81 49 0 443 166)
(Sourcing reference via BMW Parts Service (Parts Search (Other Products) - Body/Bonding, Riveting, Welding))
Expiry date of adhesive :
- The adhesive cartridge is marked with a date.
- Do not use the adhesive after this date.
2-component adhesive application :
- Insert adhesive cartridge in adhesive gun, remove cap and allow some adhesive to emerge. Strip adhesive components uniformly and attach mixing tube.
- To avoid air bubbles and mixing errors, allow approx. 2 mixer lengths of mixed adhesive to emerge (there must be no more visible coloured streaks in the adhesive). Only then apply the mixed adhesive to one side of the bonding surface.
Adhesive disposal :
- Hardened adhesive is disposed of as normal waste.
- Empty adhesive cartridges are disposed of as normal waste.
- Non-hardened adhesives and mixtures of adhesive and solvent and the like must be disposed of as hazardous waste.
These regulations apply to the Federal Republic of Germany .
For other countries, comply with the (possibly differing) nationally applicable regulations .