Eibach 29mm Front Anti-Roll-Kit for 01-06 BMW M3 E46 6cyl (Includes convertible)Eibach'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. This Part Fits: Year Make Model Submodel 2001 2006