Install all valve springs
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.
CAUTION:
Spring preload
.
Injury hazard!
Injury hazard!
- The use of the specified special tool (tool) is mandatory
- Carry out the described steps properly
NOTE:
The description is for one component only The procedure is identical for all further components.
- Note the installation position of the valve spring.NOTE: The valve spring must be installed so that the larger diameter (Y) points towards the lower spring plate.
- Make sure that the intake valves and the exhaust valve are not interchanged.NOTE: The valve springs (1) are color-coded (2) . Color for the intake valves: Green
- Note the installation position of the valve spring.NOTE: The valve spring must be installed so that the larger diameter (Y) points towards the lower spring plate.
- Make sure that the intake valves and the exhaust valve are not interchanged.NOTE: The valve springs (1) are color-coded (2). Color for the exhaust valves: Green/Yellow
- Install valve spring (2)
and the spring plate (1)
.NOTE: TECHNICAL INFORMATION
Wear safety goggles. - Press down the valve spring (1) on the top spring plate with the special tool 0 496 143 (11 8 840) in arrow direction.
- Keep the valve spring (1) pressed down with the help of the hook (2) .
- Position the valve shims (1)
on the valve (2)
.
- Press down the valve spring (1) on the top spring plate with the special tool 0 496 143 (11 8 840) in arrow direction .
- Feed out the hook (2) and set it aside.
- Relieve the valve spring (1) carefully
.
- Make sure that the valve shims (1)
are positioned correctly on the valve (2)
and the valve spring (3)
.