SPL Parts BMW F8X Tie Rod Ends Bumpsteer AdjustableMany of our SPL Parts are made to order. Please allow 3 6 weeks for production and delivery. Thank you! BMW F8X Front Tie Rod Ends (TRE) allow the tie rod end pivot to be relocated, which will correct bump steer resulting from modified caster or lower arm geometry, thus reducing lap times. On cars that are lowered significantly, relocating the pivot point will also keep the tie rod end from binding, thereby preventing the inner tie rods from breaking