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St Suspensions XTA Coilover Kit for 2003-2008 BMW Z4 2.5i 3.0i 3.0si [E85]


Quick Overview

These XTA Coilovers allow you to customize ride height to the maximum without compromising safety, functionality, or performance. (18220804)

Sku # : st-xta-z4-js
St Suspensions
Make and Model


    Make your car look more aggressive

    Be lower than your friends

    Carve through a corner while maintaining a solid, yet comfortable ride






Year Make Model Part Number
2003-2005 BMW Z4 2.5i & 3.0i E85 18220804
2006-2008 BMW Z4 Coupe 3.0si E85 18220804
2006-2008 BMW Z4 Roadster 3.0i & 3.0si E85 18220804






st xta coilovers

  • Latest dampening technology for maximum longevity

  • Reduced system friction for effective dampening adjustment

  • Individual lowering

  • Galvanized struts with additional coating for corrosion resistance

  • Adjustable spring plate, race spring system, and bumpers with dust protection

  • Aluminum adjustable uniball top mounts (when possible)

  • Scaled Camber Adjustment (optionally also caster)

  • External Adjustable Dampening




ST coilovers give you the ultimate in performance, style, and handling.



Threaded shock bodies allow you to customize ride height to the maximum without compromising safety, functionality, or performance.  This allows the lowering to be made even when the kit is installed by turning the spring plate higher or lower.  Dampening can be adjusted almost instantly.  The XTA also features an aluminum adjustable top mount allowing for camber and caster adjustment.






If you have any questions about these ST Suspension Coilovers please give us a call at 714-582-3330

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