BMW E70 X5 Front Coil Spring Bilstein B3 37-299118

Bilstein B3 front coil spring 37-299118 for the BMW E70 X5 (2006-2013). Not a rebrand. Not a copy. Just the same hot-set, surface-compressed chrome vanadium steel spring Bilstein built for B3 dampers - engineered to match their progressive rate and durability.

• Fits all E70 X5 variants: 3.0d, 3.0sd, 35d, 4.8i, xDrive - no model-specific coding or guesswork
• Direct replacement for OE front springs; retains factory ride height and geometry when paired with standard or B3-spec dampers
• Zero height loss over time - thanks to pre-setting and stress-relieving during manufacture
• Used by fast-road drivers, track-day crews and daily drivers who want consistency, not compromise
• Also searched as: E70 front spring, Bilstein 37-299118, X5 E70 coilover spring, stage 1 E70 suspension upgrade, fast-road X5 front spring