You don't need to. This boot isn't split, just a little wrinkled at the base. It will cover the damper once you lower the car. Raising the car extends the spring, exposing the damper rod.
E92 pre-LCI 325i - Ohlins R&T; H&R spacers; BMS clutch stop; BMS CDV; RE g/box mounts; Saikoumichi OCC; K&N; Cyba scoops; BMW Perf Exhaust; M3 rear spoiler; LED Angels; BMW Perf black grille; SSDD carbon diffuser; Monster Wrap black roof