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.
Replace the sealing ring.
Parts:
Sealing ring
Position the coolant pipe.
Secure the coolant pipe with the retaining clip (1)
.
Ensure that the coolant pipe is correctly fitted on the heat exchanger.