Bag Riders GT Series air suspension for the BMW F3X 3 and 4 Series cars is designed to give customers the best bang for their buck. Our kits include features we believe every set of suspension should have, including 32-way damping adjustment, height adjustable, threaded shock bodies, and camber plates on applicable vehicles. It's backed by a 1-year limited warranty, as well as our own tech support line. If you're looking for a more premium product, packed with even more features and technology, check and see if we have a Bag Riders Super Low kit available for your vehicle.