Tensioning the coil spring

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Clean coil spring to remove heavy contamination.
Attach the spring strut (1) to the coil spring with the special tool 2 213 022 (31 3 340). Align the lower coil spring end (2) vertically in an upwards direction.
Make sure that the coils of the coil spring lie completely in the recesses of the pressure plates.

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Tension the coil spring until the dimension (A) is reached at the special tool 2 213 022 (31 3 340).
Dimension (A) = 5 mm

Dimension (A) must not fall short.

Courtesy of BMW OF NORTH AMERICA, INC.