BMW E91 E93 Rear Coil Spring | Bilstein 36-313266 B3

For E91 Touring and E93 Convertible owners who want a no-nonsense, track-day-ready rear spring that doesn’t sacrifice daily drivability - this is it.

• Exact fit for E91 (2004-2012) and E93 (2006-2013), including 316i, 320d, 325i, 330i, 330d, 335d and 335i - all with standard rear axle
• Bilstein 36-313266: the B3-spec spring designed for fast road and track day use - stiffer than stock, but not brutal; retains compliance for daily driver comfort
• No decat or ECU tweaks needed. Just drop in - works with stock dampers, M-Sport suspension, and most stage 1 and stage 2 setups
• Hot-wound chrome vanadium steel, shot-peened and corrosion-protected - built to resist sag on show car builds or hard-driven OEM plus setups
• Search terms we know you actually type: E91 rear coil spring, E93 rear spring, Bilstein 36-313266, BMW E9x rear spring, fast road rear spring, track day coil spring