034 Motorsport 034 Motorsport Billet Aluminum Rear Subframe Insert Kit - F2x/F3x Chassis £233.98 he BMW F2x/F3x chassis use rubber rear subframe mounts that deflect under load, causing the rear end to feel vague and loose, as well as leading to less-than-optimal suspension geometry and increased understeer. These precision-machined billet aluminum... Add to Cart
