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Looking for aftermarket parts to modify or upgrade your 2003 BMW Z4 with lowering springs? At Tunersports.com we carry a huge selection of the top name brand performance lowering spring parts and accessories.
 SHIPS FROM MANUFACTURER ASTLS-14-471The AST Lowering springs offer a solution to reduce your vehicle’s center of gravity while preserving the comfort you’re accustomed to from the original equipment manufacturer (OEM) springs. These springs serve as a direct replacement for your OEM springs and have been developed especially for e... AST 2003-04/2009 BMW Z4 Lowering Springs - 30mm/30mm 2003-2005 BMW Z4 2.5i $417.33 |
 IN STOCK 50421Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lo... H&R 03-08 BMW Z4 E85 Sport Spring 2003-2005 BMW Z4 2.5i / 3.0i $330.65 |