Hotchkis Sport Suspension 22825F 1999-2006 BMW E46 Sport Front Sway Bar. Significantly increase the handling performance of the E46 with the addition of our 30 mm. Tubular Front Sway Bar. Specs: Front 30.2mm (1-3/16 in.) Hollow 3 Way Adjustable Stiffness over stock 04 330ci Sport +31% +51% +77% Bar Rates lbs/in. (Not Wheel Rate) Front:470 lbs/in. 540 lbs/in. 630 lbs/in.