Replacing the coil spring (Sport Mode and BMW M Performance Automobile)

Tensioning coil spring (Sport and BMW M Performance Automobile)

WARNING: Spring preload.
Danger! Immobilization period-threatening injuries!

Secure the coil spring with special tool 2 213 022 (31 3 340) .
Use special tool as per Owner's Manual and always observe the safety instructions.

Clean coil spring to remove heavy contamination.
Mount the spring strut (1) on the coil spring with the pressure plates.
Make sure that the coils of the coil spring are completely in the recesses of the pressure plates.

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NOTE: TECHNICAL INFORMATION
Different variants may be installed depending on the vehicle equipment.

Tension the coil spring until the dimension (A) is reached at the special tool 2 213 022 (31 3 340) .
Dimension (A) = 10 mm

The dimension (A) must not be undershot.

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Remove the spring strut support bearing

NOTE: TECHNICAL INFORMATION
Releasing and tightening the nut on the support bearing or spring strut support bearing with an impact screwdriver is prohibited.

Release the nut (1) at the spring strut support bearing with the special tools 0 496 515 (33 0 041) and 0 496 516 (33 0 042) .

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Pull the spring strut support bearing (1) with the protective tube (2) from the spring strut (3) and remove it.

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Remove the spring strut (1) with the spring pad and the auxiliary damper from the tensioned coil spring (2).

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Replacing the coil spring

Relieve the special tool 2 213 022 (31 3 340) and the coil spring (1).

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Replace the coil spring.
Parts: Coil spring

The lower coil spring end is marked with the sticker (1).

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Adjust the special tool 2 213 022 (31 3 340) to dimension (A).
Dimension (A) = 115 mm

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Pick up the coil spring (1) with the pressure plates.
The coils of the coil spring must be completely inserted in the recesses of the pressure plates.
Tension the coil spring (1) until the dimension (A) is reached at the special tool 2 213 022 (31 3 340) .
Dimension (A) = 10 mm

The dimension (A) must not be undershot.

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Check auxiliary damper (1) and spring pad (2) for damage, replace as necessary.

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Installing the spring strut support bearing

Slide spring strut (1) with the spring pad and the auxiliary damper into the tensioned coil spring (2).

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Align the spring strut with spring pad (1) at the bottom coil spring end (2) at the stop.

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Check spring strut support bearing (1) and protective tube (2) for damage and, if necessary, replace them.
Slide spring strut support bearing (1) with protective tube (2) onto the piston rod of spring strut (3).

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Align the spring strut support bearing with the protective tube at the top coil spring end (1) at the stop.

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NOTE: TECHNICAL INFORMATION
Releasing and tightening the nut on the support bearing or spring strut support bearing with an impact screwdriver is prohibited.

Replace nut (1).
Parts: Nut
Tighten nut (1) on the spring strut support bearing using special tools 0 496 515 (33 0 041) and 0 496 516 (33 0 042) .

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TIGHTENING TORQUE SPECIFICATION

Front spring strut support bearing to spring strut
M12 Replace nut.	Tightening torque	71 Nm

Relieving tension on coil spring

Release the coil spring with the special tool 2 213 022 (31 3 340) .
Make sure that the coil spring ends lie at the top and bottom on the spring pads (correct position if necessary).
Remove the spring strut (1) from the special tool 2 213 022 (31 3 340) .

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Follow-up work

Refer to ATTACHING THE SPRING STRUT ON THE SWIVEL BEARING .
Refer to INSTALLING AN DAMPER WEIGHT ON THE SPRING STRUT .
Refer to INSTALLING THE SPRING STRUT .
Refer to INSTALLING THE LATERAL HOOD SEAL .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to ATTACHING THE WISHBONE ON THE SWIVEL BEARING .
Refer to FASTENING THE RIDE HEIGHT SENSOR ON THE BOTTOM WISHBONE .
Refer to SECURING TENSION STRUT ON SWIVEL BEARING .
Refer to SECURING THE TIE ROD ON THE SWIVEL BEARING .
Refer to FASTENING THE ANTI-ROLL BAR LINK TO THE SPRING STRUT .
Refer to PARTIALLY INSTALLING THE FRONT WHEEL SPEED SENSOR .
Refer to CONNECTING THE CABLE OF THE VERTICAL DYNAMIC PLATFORM (VDP) TO THE SPRING STRUT .
Refer to INSTALLING FRONT BRAKE DISC .
Refer to FASTENING FRONT BRAKE CALIPER .
Refer to ATTACHING FRONT BRAKE HOSE .
Refer to ATTACHING THE FRONT LEFT WHEEL .