Our CNC machined control arm brackets are designed for all E30 5 Lug conversions using e36 non-M or M3 hub assemblies. Machined from solid 6160 aluminum and fitted with a self-lubricating UHMW bushing. You must use the control arms from an E30 or non-m3 E36 for correct geometry. Designed for the street and the track, they hold the control