Notes for replacing the protective cap of the headlight (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:
Risk of damage!
Damaged seals on the protective caps will lead to moisture penetration into the headlight.
This will in turn cause porous cable insulations and malfunctioning of the headlight.
Damaged seals on the protective caps will lead to moisture penetration into the headlight.
This will in turn cause porous cable insulations and malfunctioning of the headlight.
When working on the headlight system, check the protective cap seals.
Replace the protective cap in the event of damage!
Example: screwed protective cap
Seal (1) on protective cap (2).
Example: latchable protective cap
Seal (1) on protective cap (2).