Installing the spring strut

Tensioning coil spring (Sport and BMW M Performance Automobile) 

• 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 

• 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 spring strut 

• Pull the auxiliary damper (1) and spring pad (2) down off the spring strut.
• Replace the spring strut.

  Parts:  Spring strut

• Check auxiliary damper (1) and spring pad (2) for damage, replace as necessary.
• Position the auxiliary damper (1) and spring pad (2) on the spring strut.

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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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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 FASTENING THE OUTPUT SHAFT ON THE WHEEL BEARING .
• Refer to ATTACHING THE FRONT LEFT WHEEL .