Fits: All E8X & E9X Non-M, E82 1M & E9X M3 All F2X & F3X Non-M's & M-Sports 1/2/3/4 Series BMW's Benefits: - Increases rear adjustment (Suspension Tune-ability) - Provides consistent geometry (stability) - Free pivoting spherical bearing (no suspension binding) Note: A bearing mounted upper guide arm will make a small increase in NVH. Material: - 6061-T6 Aluminium - Anodised Black (round bar & bearing spacers) - Chromoly steel 3-piece, Teflon lined rod ends If you're looking to maximise the handling on your BMW, billet adjustable guide arms are a great addition to achieve track capable grip. By using a bearing mounted arm you eliminate unwanted bushing flex providing far more consistent rear suspension geometry when cornering. Product received may differ visually to product above.