TL-PRO - Thunder Lane Triple Adjustable Coilover Kit for BMW E90/E92/E93 (Upside-Down Rear) Spring Brand:Swift Real low-speed control for confidence

Real low-speed control for confidence and tire consistency

providing faster

All fees include tax and are based on a 2 day track event with four 20-min sessions per day

"name": "What spring rates are included

TL-PRO - Thunder Lane Triple Adjustable Coilover Kit for BMW E90/E92/E93 (Upside-Down Rear) Spring Brand:Swift Real low-speed control for confidenceThe TL PRO is Thunder Lane USs flagship true 3 way adjustable coilover system for the BMW E90 E92 E93, built for serious track use time attack, hill climb, road racing, autocross, and HPDE. Every set is hand assembled to order and bespoke valved to match your goals. Included with every order: CVP + PVP dyno graphs, build to order spring rate selection, and damping tuned for repeatable performance. True 3 Way Adjustable Damping Separate circuits for