Disconnecting the coolant lines
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:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
- Prepare special tool 2 413 106
.
- Unlock and release the coolant line (1) on the intake plenum (2) .
- Release the coolant line (1)
on the air conditioning condenser (2)
.
- Unlock and release the coolant line (1)
on the coolant thermostat (2)
.
- Unlock and release the coolant line (1) on the intake plenum (2) .
- Unlock and release the coolant line (1) on the right
at the external radiator (2)
.
- Close the external radiator (1) on the right
with the special tool 2 413 106
.
- Unlock and release the coolant lines (1) on the left at the external radiator (2) .
- Close the external radiator (1)
on the left with the special tool 2 413 106
.
- Unlock and release the coolant line (1) .