Preserving the front door
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.
NOTE:
Schematic diagram is for example purposes. Some parts may differ in certain details.
- The inner door panel is welded with the door outer skin in the area (1)
.
The weld seam must be protected against corrosion by cavity sealant.
- Preserve the inner door panel in the area of the weld seam (1) .
- Apply cavity sealant up to the two marked ends.
Remove any cavity sealant which emerges.
NOTE: To provide a better overview: Shown without door outer skin. - Preserve the weld seams (1)
all round between the reinforcement (2)
and inner door panel (3)
.NOTE: To provide a better overview: Shown without door outer skin.
- Preserve the weld seams (1)
all round between the reinforcement (2)
and inner door panel (3)
.