Application: For 98-06 BMW 3 Series E46 (non-M3) Vehicle compatibility charts are for REFERENCE ONLY. Check your vehicle to match your needs. Specification: The one must have for all E46 drifters!!!They are installed as a hub spacer, between the knuckle, wishbone and tie rod.Installation is relatively simple, but minor adjustments may be needed.Adapter that increases the turning angle by 25 percent in made by milling in aluminum ,which has the same durability as steel and for this reason is widely used in aircraft industry.That modification will result in better control over steering , especially while a controlled slide, and also will result in higher entry angles versus the direction of driving.Sold per pair, with required fittings, these are intended for use with non-M3 E46 only!! Dimensions Material Color: Length: 158mm.Mounting screws: M12.Increase 25 percent .Material: Made of high quality Aluminium.Color:Black.Silver.Red.Blue Package Included: 2x Adapters Mounting acceories (100 percent Brand New Never Used Or Installed)