ST Suspension BMW Z4 E85 E86 Coilover Kit ST X — Fits Z4 2.5i, Z4 3.0i, Z4 3.0is (Part Number: 13220004)
Transform the way your BMW Z4 drives and looks with the ST Suspension ST X coilover kit. Engineered by ST Suspension and manufactured by KW Automotive, this height-adjustable coilover kit is the ultimate performance suspension upgrade for BMW Z4 E85 and E86 owners who want sharper handling, a lower stance, and everyday usability. If you are searching for BMW Z4 coilovers, BMW E85 coilovers, BMW E86 coilovers, ST X coilovers, ST Suspension Z4 coilover kit, or a Z4 lowering kit, this is the proven, high-quality choice.
We run ST coilovers on our own builds and our customers love the ride quality, stance and confidence they deliver. Expect precise turn-in, reduced body roll, and a clean, even drop that makes your Z4 look and feel right on the road.
Lowering Range
- Front lowering: 0.8 to 2.0 inches (approx. 20 to 50 mm)
- Rear lowering: 0.6 to 1.6 inches (approx. 15 to 40 mm)
Why Choose ST X Coilovers for Your BMW Z4?
- Performance-focused ride height adjustment for perfect stance and handling
- Manufactured by KW Automotive for premium quality and reliability
- Sporty, composed driving dynamics with reduced body roll and improved agility
- Daily-driveable comfort with crisp, confidence-inspiring control
Key Features
- Continuous thread height adjustment on front and rear axles (where applicable)
- Galvanised steel coilover struts with additional coating for enhanced corrosion protection
- Polyamide height adjustment ring for easy, precise setup
- High-quality twin-tube dampers for durability and consistent performance
- Chrome-plated piston rods, mono block guide and ST seal package to keep out dirt and the elements
- Complete kit with adjustable spring perches, performance springs, bump stops and dust protection
- Version: ST X
- Material: Galvanised Steel
- Part Number: 13220004
Compatibility
BMW Z Series
- E85 E86 (2003 — 2008)
- Z4 2.5i
- Z4 3.0i
- Z4 3.0is
Real-World Benefits
- BMW Z4 coilover kit that delivers a lower, more aggressive stance
- Improved cornering grip and steering response
- Height adjustable coilovers for tailored fitment with OEM or aftermarket wheels
- Trusted UK supplier for BMW Z4 performance suspension upgrades
Fitting and Setup
Professional installation and alignment are recommended. For expert fitting, book with Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com
Notes
In combination with the original wheels and tyres, wheel spacers might be required.
Warranty
Two years manufacturer warranty.
Order your ST Suspension ST X Coilover Kit for BMW Z4 E85 E86 today. The perfect BMW Z4 coilovers for drivers who want the best mix of stance, control and quality. Part Number: 13220004.