The 15.8mm rear Antiroll Bar may be added to the Stage 1 Suspension System for those who are building their high performance suspension system in stages. The Dinan rear Anti-roll bar is 118% stiffer than the stock 13mm rear bar. The matching Lightweight Tubular Adjustable 28mm Front antiroll bar should always be installed as well for proper balance. Only recommended for non-xi vehicles if equipped with D120-0530 28mm Front Swaybar, and one of the following: Limited-slip differential or rear tires that are wider than the front tires by 20mm or more.
Fits BMW; 1 Series, 3 Series; 128i, 135i, 135is, 325i and Xi, 328i and Xi, 330i and Xi, 335i and xDrive, 335is; Sedan, Coupe, Convertible; E82, E90, E92, E93; 2008-2013 128i E82, 2008-2013 135i E82, 2013 135is E82, 2006 325i and xi E90, 2007-2013 328i E93, 2007-2013 328i and xi E92, 2007-2011 328i and xi E90, 2006 330i and xi E90, 2007-2013 335i E93, 2007- 2013 335i and xDrive E92, 2007-2011 335i and xDrive E90, 2011-2013 335is E92, 2011-2013 335is E93