Installing torsion springs

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 AOB 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.

Version with a torsion spring with an L-shaped contour and a suitable intermediate lever:
Use torsion spring (1) with an L-shaped contour only in conjunction with a suitable intermediate lever (2).

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Version with a torsion spring with an S-shaped contour and a suitable intermediate lever:
Use torsion spring (1) with an S-shaped contour only in conjunction with a suitable intermediate lever (2).

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Keep set of special tools 2 359088 for removing the torsion spring with an S-shaped contour ready:

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

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

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

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Version with a torsion spring with an S-shaped contour with special tool 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 special tool 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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Position torsion spring (1) in clamping lever (2).
Torsion spring (1) must be positioned correctly in the marked area (3) of clamping lever (2).

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Version with a torsion spring with an S-shaped contour with special tool 2 359 088:
Close clamping lever (1) of special tool 2 359 088 carefully in the corresponding mount until the snap-in hooks engage audibly.

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

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Version with a torsion spring with an S-shaped contour with special tool 5 A24 F30 or the modified special tool 2 359 088:
Close clamping lever (1) of special tool 5 A24 F30 or the modified special tool 2 359 088 carefully in the corresponding mount until the snap-in hooks engage audibly.

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

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Version with a torsion spring with an L-shaped contour with special tool 5 A24 F30 or the modified special tool 2 359 088:
Close clamping lever (1) of special tool 5 A24 F30 or the modified special tool 2 359 088 carefully in the corresponding mount until the snap-in hooks engage audibly.
Ensure that torsion spring (2) lies correctly in the lateral guides (arrows) and mark of clamping lever (1) when tensioning.

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Move clamping lever (2) with the tensioned torsion spring carefully out of mount (3) in the arrow direction.

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Insert torsion spring (2) with clamping lever (1) into cylinder head (3).

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Version with a torsion spring with an S-shaped contour on an intermediate lever
Insert the torsion spring (2) into the intermediate levers (1).
Check all roller cam followers (3) for correct installation position.

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Place clamping lever (1) flat in the marked area (2).
Press together clamping lever (1) until snap-in hooks (3) unlock audibly.
Open clamping lever (1) carefully until the torsion spring is fully relaxed.
Guide out and remove clamping lever (1).

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Fit torsion spring (1) correctly in the arrow direction using a standard plastic hammer (3) and a standard plastic wedge (2).

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Check the correct installation position of the torsion spring (arrow).

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