Fits: All E30 & E36 Non-M, E30 & E36 M3 (stock control arms). Benefits:-Allows front caster to be adjusted (suspension tune-ability)-Provides constant suspension geometry (stability)-No deformation under braking (driver control)-Free pivoting spherical bearing (no suspension binding)Note: A bearing mounted front control arm bush will increase Ride Harshness. Material: -6061-T6 Aluminium - Anodised Purple-Chromoly steel 2-piece, Teflon lined M20 rod ends + Jam nuts If you're wanting to maximise the performance of your E30/E36 then our Adjustable Rod End Caster Bushings are a perfect addition to help you dial in your front suspension. This bushing eliminates the weak and very flexible front control arm bushes in favour of a solid connection for greater link rigidity with no suspension binding in addition to providing a significant range of caster adjustment to perfect your setup.