Remove expansion tanks for the charge air coolers
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
WARNING:
Hot fluids.
Risk of scalding!
Risk of scalding!
- Conduct all work in the vehicle wearing appropriate personal protective equipment only.
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.
Preliminary work
- Refer to REMOVING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
- Refer to REMOVING THE ACOUSTIC COVER .
NOTE:
TECHNICAL INFORMATION
Only flexible hose pipes may be disconnected.
Only flexible hose pipes may be disconnected.
- Disconnect the coolant line (2) with clamping pliers (1).
- Rotate the sealing cap (1) of the expansion tank for the charge air cooler counterclockwise and open.
- Loosen screw (2).
- Suction the coolant using a standard syringe or a suitable tool.
- Rotate sealing cap (1) of the expansion tank for the charge air cooler clockwise and close it.
- Prepare a standard waterproof rubber mat (1).
| Letter: | Dimension in cm |
|---|---|
| A | 32.00 |
| B | 52.00 |
- Position the rubber mat (2) between expansion tank (1) and the cylinder head cover.
- Ensure that the rubber mat (2) covers the areas between expansion tank (1) and the cylinder head cover in the area of injector shafts (3).
- Disengage retaining spring (1) upwards out of the connecting branch (2) of the coolant line with a screwdriver.
- Press in the locking mechanism (3) and detach the coolant lines (4).
- Do not use clamping pliers to disconnect plastic tubes (4).
- Catch and dispose of escaping coolant.
- Remove the expansion tank for the charge air coolers.