Tein S-Tech Springs are an excellent step towards suspension tuning. They offer a moderate drop for aggressive appearance and increased road holding capability. Designed to be used with OEM or OEM-replacement shocks. Comes with a 1-year limited warranty, spring length is guaranteed not to sag more than 5mm, and be clear of any manufacturer defects.  
 
Additional Features: 
Progressive Spring Rate Design
Green Power Coat Finish
1-year Manufacturers Defect and Sag Warranty
 
Front drop of 31mm and a rear drop of 28mm. Please note that these will not fit Mini's made before March 2002