Remove torsion springs
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.
Precondition
If the Valvetronic servomotor is installed, the eccentric shaft must be released via the Valvetronic servomotor.
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 provided only at one component. The procedure is the same for all other components.
- The modified locking rods 2 411 031
must be installed on the special tool 2 249 160
.
- Position special tool 2 249 160
at a downward angle on the torsion spring panel (2)
.
The lug (1) should be positively locked with the torsion spring panel (2) .
- The guide pins (2)
in the special tool 2 249 160
should be positively locked with the recesses in the torsion spring panel (1)
.
- Press lever (1)
on the special tool 2 249 160
in the direction of arrow until the latch mechanisms (2)
lock.
- Release bolt on the plate of the torsion spring in the area (1) .
- Guide out special tool 2 249 160 (2)
with the torsion spring and the panel of the torsion spring.
- Connect separate components of the special tool 2 249 160 (3) to (2) and secure with the locking pin (1)
.
The locking pin (1) should audibly engage .
- Clamp special tool 2 249 160
in a standard vice at area (2)
.
- Use the lever (1) to push special tool 2 249 160 forward to pretension the torsion springs (3) .
- Pull lever (2) down to release the retaining pins (5) from the anti-twist locks (4) .
- Carefully release tension on the lever (1) on the special tool 2 249 160 .
- Remove the torsion spring with the lock plate (3) and place it in the special tool 0 495 105 (11 4 480) in an ordered position.
- Repeat steps for all torsion springs.
Twist camshaft if necessary.