Bilstein B3 OE Replacement Coil Spring Fits select: 2011 BMW 328 I, 2012-2013 BMW 328 I SULEV

B3 Series Rear Coil Spring (36-160235) by Bilstein. Quantity: 1 per Pack. By choosing Bilstein springs, you're backing an uncontested champion: a successful motor sports fitter and a leading original equpment manufacturer of automotuve springs. Bilstein B3 coil springs are manufactured to be the finest springs available. Bilstein uses only the best steel wire to manufacture these springs and heat-treats them to precise specifications to ensure their durability and consistency. Topping off each spring is a corrosion-resistant finish that will protect them from the elements. Don't trust anything but the best for your ride - upgrade to these Bilstein B3 coil springs.