Steel only, we no longer produce the aluminum version
E46 outer tierod required, 330xi work too
E36 knuckles will fit with 1/2 drill-bit and a washer under the tierod
Will not work with M3 cars
25mm wheel spacer suggested
17x8 225/45/17 to 17x9 235/40/17 suggested tire size
factory sway bar suggested
factory length E46 LCA suggested
clearance the factory knuckle 1/8 of an inch required, see photos

Designed specifically to imitate S-chassis snap and turn-in