Placement: Front; Upper Enhances Steering Response and Stability; Increases Stiffness and Reduces Body Rolling during Corning One-Piece Race Spec Strut Tower Bar constructed of strong Aluminum to extremely tight tolerances and then polished to perfection. Tower Mounts (Brackets) are Made of Reinforced Steel for Extra Strength and Durability Application compatible / replacement 1-Series (E82/E88) 08-13 (EXC M); 3-Series (E90/E91/E92/E93) 06-11 (EXC Diesel/M3)Excludes N55 Engine Models For N55 single turbo motor model, middle bar has to be removed in order to allow one to take off radiator cap. Not guarantee fitment on models with aftermarket top mount intercooler One-Piece Race Spec Strut Tower Bar constructed of strong Aluminum to extremely tight tolerances and then polished to perfection. This bar ties the chassis from left to right at critical stress points (Between the shock/strut towers) to decrease body roll. As you drive and maneuver, your car undergoes many different forces that the chassis of the car absorbs; the brace helps to absorb the energy and directs these forces into your suspension components so that they can better do their job and serve their purpose more effectively. A must for any track-driven, and a great addition to any street or show car, this bar truly lives up to the Megan name.