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% 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%.Material: Made of high quality Aluminium.Color:Black.Silver.Red.Blue Package Included: 2x Adapters & Mounting acceories (100% New Never Used Or Installed)