Bilstein B12 Pro-Kit Lowering Suspension Kit (Eibach Springs & Bilstein Shocks) for BMW X3 F25 & X4 F26 - Sport Springs + Dampers | Fits 30d/35d/35i xDrive | PN 46-257697

Bilstein B12 Spring and Damper Package for BMW F25 X3 and F26 X4

Unlock sharper steering, flatter cornering and a purposeful stance with this matched Bilstein shock and spring set. Engineered for BMW X3 and X4 platforms, it delivers confident road holding, precise control and day-to-day comfort in one proven suspension upgrade. Our own cars and our customers have loved the transformation this kit brings to fast-road driving without the harshness of cheaper alternatives.

Why enthusiasts choose this kit

• Complete suspension package - uprated dampers paired with sport springs for balanced handling and ride quality
• Ride height drop up to 50 mm depending on application for a lower centre of gravity and cleaner stance
• Retains factory mounting points and geometry for a straightforward install and no rubbing issues
• Improved body control, reduced roll and tighter turn-in for spirited driving and motorway stability
• German-engineered components with OE-level reliability from Bilstein

Perfect for these BMW models

• BMW X3 F25
  • X3 30dx
  • X3 35dx
  • X3 35ix
• BMW X4 F26
  • X4 30dx
  • X4 35dx
  • X4 35ix

What you can expect

• Sporty yet compliant ride for daily use and long trips
• Optimised spring rates matched to Bilstein gas-pressure dampers
• Confident traction from xDrive-equipped diesel and petrol variants
• Lower, cleaner look with certification where applicable

Search-friendly highlights

BMW F25 suspension upgrade, BMW F26 suspension kit, X3 handling kit, X4 handling kit, Bilstein shocks and springs, sport springs and shocks, uprated strut and spring set, fast road suspension, chassis tuning, ride height reduction, performance dampers, coil spring kit, direct replacement suspension for BMW X3 X4.

Part number

46-257697

Manufacturer and warranty

Brand: Bilstein

Warranty: 2 Year Bilstein Warranty

Professional fitting

Want it installed correctly with alignment and fast-road setup advice? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote.

Ready to sharpen your BMW’s response and stance? Add to basket today and enjoy a proven, high-quality suspension upgrade from Bilstein.