ST Suspensions X Coilovers - BMW E46 1999-2006

The ST X coilover kit is a ride-height-adjustable suspension system engineered by KW and built by hand in Fichtenberg, Germany, for the BMW E46. Each damper runs galvanized zinc-coated steel struts with a hardened chrome piston rod, a friction-optimized polyamide composite spring perch with a stainless-steel insert, and an integrated dust-protection bump stop. Spring rates and damper valving are tuned specifically for the application, with a wide range of height adjustment via ST's trapezoidal thread pitch.

Specifications

Documents: Installation Instructions (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy