Clean sealing surfaces

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 BMW M340i xDrive, 2024 BMW M340i, 2023 BMW M340i xDrive, 2023 BMW M340i, and 2022 BMW M340i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: RISK OF DAMAGE
Damage to the surface .
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage .

Do not use any metal-cutting tools.

Remove the coarse residue from the sealing surfaces of the cylinder head using the special tool 0 495 103 (11 4 471) .

Courtesy of BMW OF NORTH AMERICA, INC.
Remove the fine residue from the sealing surfaces of the cylinder head using the special tool 0 495 104 (11 4 472) .

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all the blind holes (1) of the cylinder head.

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Remove the coarse residue from the sealing surfaces of the crankcase using the special tool 0 495 103 (11 4 471) .

Courtesy of BMW OF NORTH AMERICA, INC.
Remove the fine residue from the sealing surfaces of the crankcase using the special tool 0 495 104 (11 4 472) .
Clean all the blind holes of the crankcase.

Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION:
Swirling dirt particles caused by compressed air .
Injury hazard!
- Collect dirt particles, e.g. when blowing out, use cloth to do so.
- Wear safety goggles.
Courtesy of BMW OF NORTH AMERICA, INC.
Clean all the threaded holes (1) of the crankcase with compressed air.
Remove the special tool (B) contained in the set of special tools 2 364 711 .

Courtesy of BMW OF NORTH AMERICA, INC.