Our E46M3 caster-camber plate is designed for coil over suspensions which use a 60mm, 2.25"" or 2.5"" ID spring. Originally, our plates were designed for use with the Bilstein PSS9 front struts and 60mm ID race springs (We have them too) , but will work on Moton Club Sport and other struts that use a 16mm shock shaft (Stock E46M3) Camber is adjusted by simply loosening the top three bolts and sliding the plate. Caster is adjusted at any time from the top of the car. Camber has a wide range of adjustment, from stock to a full race setting (about -1 degree to -3.6 degrees) Detailed settings and combinations will depend on each cars suspension geometry, ride height etc. When ordering specify/select an upper spring perch in the ID of springs you will be using.
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