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ST Suspensions

ST Suspension ST X Coilover Kit for BMW Z4 E85/E86 (2003-2008) | Height Adjustable Lowering | Fits Z4 2.5i, 3.0i, 3.0is | Part No. 13220004

ST Suspension ST X Coilover Kit for BMW Z4 E85/E86 (2003-2008) | Height Adjustable Lowering | Fits Z4 2.5i, 3.0i, 3.0is | Part No. 13220004

£889.00
£925.00 £889.00
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Adjustable Suspension Upgrade for BMW Z4 E85 E86 2003 to 2008 - ST X by KW - Part No. 13220004

Give your BMW Z4 the stance and control it deserves with this height-adjustable shock and spring package. Engineered by KW Automotive, the ST X system is a proven road performance solution that delivers tighter handling, cleaner wheel fitment and everyday comfort. Ideal for Z4 owners looking for a serious suspension upgrade, this kit is perfect for drivers searching for BMW Z4 suspension, E85 suspension kit, E86 suspension kit, adjustable shocks, coil over suspension, coil-over kit and Z4 lowering suspension.

We run ST kits on our own builds and our customers consistently rate the ride quality, composure and confidence. Expect sharper steering response, reduced body roll and a purposeful drop that makes your Z4 roadster or coupe look sorted without ruining daily usability.

Lowering Range

  • Front: 20 to 50 mm approximate drop
  • Rear: 15 to 40 mm approximate drop

Why this Z4 suspension kit

  • Ride height adjustable for precise fitment with OEM or aftermarket wheels
  • KW Automotive build quality for reliability you can trust
  • Sporty, stable road manners with confident turn in and improved grip
  • Daily-driveable comfort with genuine fast-road control

Key features

  • Threaded body struts for easy front and rear height adjustment
  • Galvanised steel bodies with additional coating for corrosion resistance
  • Polyamide adjuster rings for smooth, precise setting
  • High quality twin-tube dampers for consistent performance
  • Chrome plated piston rods, monoblock guide and ST seal package to keep out dirt and moisture
  • Complete damper and spring kit with adjustable perches, bump stops and dust boots
  • Version: ST X
  • Material: Galvanised steel
  • Part number: 13220004

Vehicle fitment

BMW Z Series

  • E85 E86 - 2003 to 2008
    • Z4 2.5i
    • Z4 3.0i
    • Z4 3.0is

Real world gains

  • Lower, more aggressive look without sacrificing everyday comfort
  • Improved cornering stability and steering feel
  • Ride height adjustable coil-over solution for stance and performance
  • Trusted UK specialists for BMW Z4 performance suspension

Fitting and setup

Professional installation and four wheel alignment are recommended. For expert fitting, book with MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk

Notes

When used with factory wheels and tyres, spacers may be required.

Warranty

Two year manufacturer warranty.

Upgrade your BMW Z4 with a quality adjustable coil over suspension kit that enhances stance, handling and confidence. Order Part No. 13220004 today for the E85 and E86 Z4 2.5i, 3.0i and 3.0is.

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