Here the spring pad part numbers:

FRONT SPRING PADS
210 321 01 84 5mm
210 321 02 84 9 mm
210 321 03 84 13 mm
210 321 04 84 17 mm
210 321 05 84 21 mm

REAR SPRING PADS
210 325 01 84 5 mm
210 325 02 84 9 mm
210 325 03 84 13 mm
210 325 04 84 17 mm