Fits: 2006 BMW 330i 2006 BMW 325i 2007–2013 BMW 328i 2007–2013 BMW 335i 2008–2013 BMW 128i 2008–2013 BMW 135i Eibach2085.310Sway BarsEibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry.Complete your suspension upgrade with Eibach anti-roll sway bar kits. They reduce body roll over stock bars through increased design stiffness. The result is better handling and cornering grip in any performance-driving situation. Eibach sway bars are manufactured from cold-formed steel alloy for precision performance, and finished with a long-lasting red powdercoat. Order the Eibach anti-roll kit designed to fit your application. Product features: * Depending on application, some kits come complete with all mounting hardware, while others may require separate mounting kits * Unimpaired spring comfort at bilateral spring deflection * Decreasing the load difference between the wheels inside and outside the curve * Impacting the under- or over-steering tendency positively (auto-steering behavior)