Remove torsion springs

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Prerequisite

If the Valvetronic servomotor is installed, the eccentric shaft must be released via the Valvetronic servomotor.

CAUTION: Spring preload.
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.

The modified locking rods 2 411 031 must be installed on the special tool 2 249 160 .

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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).

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The guide pins (2) in the special tool 2 249 160 should be positively locked with the recesses in the torsion spring panel (1).

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Press lever (1) on the special tool 2 249 160 in the direction of arrow until the latch mechanisms (2) lock.

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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.

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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).

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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.

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Torsion spring

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CAUTION: Spring preload.
Injury hazard!

The use of the specified special tool (tool) is mandatory.
Carry out the described steps properly.

NOTE: TECHNICAL INFORMATION
Wear safety goggles.

NOTE: TECHNICAL INFORMATION
For disassembly and installation of the torsion spring, special tool 2 359 088 is used. Due to technical modifications in the torsion spring, special tool 5 A0B 120 is mounted on the existing special tool 2 359 088 .
Information on modification can be found in the additional information.

NOTE: TECHNICAL INFORMATION
Alternative to the new special tool 5 A24 F30 , the already known special tool SWZ: 2 359 088 can be used in modified form.
Information on modification can be found in the additional information.
The modified special tool is upward compatible.

NOTE: TECHNICAL INFORMATION
When replacing one or more torsion springs:
When removing the torsion spring, it is imperative to note the part number of the torsion spring.
A mixed installation of torsion springs is only permitted in combination with the appropriate intermediate lever.
For further information on possible combinations, see the applicable BMW parts catalogue.

Keep set of special tools 2 359 088 for removing the torsion spring with an S-shaped contour ready:

Number	Description
1	Clamping lever
2	Mount for the clamping lever (for a torsion spring with an S-shaped contour)

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Keep the set of special tools 5 A24 F30 or, alternatively, the modified special tool 2 359 088 ready for removing the torsion spring with an L/S-shaped contour:

Number	Description
1	Clamping lever
2	Mount for the clamping lever (for a torsion spring with an L/S-shaped contour)

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Version with a torsion spring with an s-shaped contour with set of special tools 5 A24 F30 or the modified special tool 2 359 088:
Move shaped part (1) to the contact surface in the arrow direction .

Turn wing screw (2) until hand-tight.

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Version with a torsion spring with an L-shaped contour with the set of special tools 5 A24 F30 or the modified special tool 2 359 088:
Move shaped part (1) to the contact surface in the arrow direction .

Turn wing screw (2) until hand-tight.

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Open clamping lever (1) and position it on torsion spring (2).

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Ensure that clamping lever (1) rests flat on the cylinder head in area (2).
Close clamping lever (1) carefully until snap-in hooks (3) engage audibly.

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Check

Check if clamping lever (1) is positioned correctly on the torsion spring in the marked areas .

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Result

» Clamping lever (1) is not positioned correctly on the torsion spring.

Measure
- Relax clamping lever (1) carefully and repeat the process.
Clamp mount (1) in vice (2).
Position the clamping lever (3) with the preloaded torsion spring (5) in the mount (1) in the arrow direction.
Snap-in hooks (4) of clamping lever (3) are used to relax clamping lever (3).

Torsion spring (5) is thus relaxed.

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Version with a torsion spring with an s-shaped contour and the special tool 2 359 088:
Unlock clamping lever (1) of special tool 2 359 088 carefully in the corresponding mount.

Ensure that torsion spring (2) rests correctly in the lateral guides (arrows) and mark of clamping lever (1) when releasing it.

Place torsion spring (2) properly in special tool 0 495 105 (11 4 480) .

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Version with a torsion spring with an s-shaped contour and set of special tools 5 A24 F30 or the modified special tool 2 359 088:
Unlock the clamping lever (1) of the set of special tools 5 A24 F30 or alternatively the modified special tool 2 359 088 in the corresponding mount carefully .

Ensure that torsion spring (2) rests correctly in the lateral guides (arrows) and mark of clamping lever (1) while releasing it.

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Place torsion spring (2) properly in special tool 0 495 105 (11 4 480) .
Version with a torsion spring with an L-shaped contour and set of special tools 5 A24 F30 or the modified special tool 2 359 088:
Unlock the clamping lever (1) of the set of special tools 5 A24 F30 or the modified special tool 2 359 088 in the corresponding mount carefully .

Ensure that torsion spring (2) rests correctly in the lateral guides (arrows) and mark of clamping lever (1) while releasing it.

Place torsion spring (2) properly in special tool 0 495 105 (11 4 480) .

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Repeat the steps for the remaining torsion springs.