H&R Sport Spring - E82 128I/ 135I 2008-13 (29187) F83 M4 so you're starting with material

so you're starting with material that hasn't been through a previous product and degraded

It's designed to bolt directly onto the lower factory bumper mounting location for a fast and straightforward installation

The autoclave vacuuming process of making dry carbon means fewer pinholes and virtually no air pockets in the carbon

Manufactured using 100% virgin

H&R Sport Spring - E82 128I/ 135I 2008-13 (29187) F83 M4 so you're starting with materialProduct Description H&R Springs Experience the H&R difference today Suspension is one of the most important factors in determining your vehicles day to day drivability. The first step in suspension tuning is to upgrade your vehicles stock springs. Upgrading your suspension components will ensure that your vehicle has improved handling and reduced body roll. H&R springs have superb ride comfort and increased driving convenience. H&R Special Springs are