CAtuned built this BMW E30 called “Minte30” with a S54 inline-six. The motor features a 2M Autowerks Velocity Stack kit, modified S54 oil pan, and Arc Asylum exhaust header. Behind that is a BMW six-speed manual transmission and Wavetrac limited-slip differential with 4.10 ratio. The sedan rides on CAtuned coilovers, Magnus Racing Team custom control arms, and Z3 steering rack. Braking is handled by Forge six-piston front brakes and E30 rear brakes. On the outside CAtuned installed a Mtech2 custom carbon fiber bumper, DTM-style carbon fiber side mirrors, Rotiform LSR wheels, and custom Mint Green paint. On the inside they installed a Recaro front seats, Momo steering wheel, custom roll cage, custom leather wrapped dash and center console, and deleted the rear seats.
Source: CAtuned blog