KW V1 Coilover Kit - BMW M3 E46 (2001-2006)

The KW Variant 1 (V1) INOX-LINE coilover kit is a complete height-adjustable suspension system for the 2001-2006 BMW M3 (E46), developed specifically for this chassis on the Nurburgring Nordschleife and KW 7-post rig. Damping is fixed, with vehicle-specific spring rates and a factory-tuned setup that balances street comfort with sporty handling. Ride height is adjustable across an approved lowering range of roughly 0.8-1.5 in. (20-40 mm) front and rear via the threaded INOX-LINE stainless-steel strut housings, which resist corrosion for the life of the kit. Each kit is hand-built and serialized in Fichtenberg, Germany, and every damper is dyno-tested before shipping.

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