H&R Sport Spring Kit | BMW Z4 (03-08) (50421) YMM_1997_2003_Toyota_Sienna_I_XL10 The carbon fiber extensions provide

The carbon fiber extensions provide a striking contrast and a lightweight

The high-friction compound is formulated to provide a predictable and linear brake feel

combining strength and smooth operation

these splitters are a perfect addition to your vehicle's exterior upgrade

H&R Sport Spring Kit | BMW Z4 (03-08) (50421) YMM_1997_2003_Toyota_Sienna_I_XL10 The carbon fiber extensions provideH&R Sport Spring Kit BMW Z4 (03 08) Fitment Part #: 50421 Overview The H&R Sport Spring Kit is designed to enhance the handling and aesthetics of your BMW Z4 from 2003 to 2008. This suspension upgrade lowers the vehicle's center of gravity, improving cornering stability and overall ride quality. Crafted for enthusiasts seeking a sportier stance and improved responsiveness, these springs provide a balanced combination of performance and comfort.