ST Suspensions ST X Coilovers by KW for BMW M3 E46 (2000-2006) Coupe & Convertible M346 - Height Adjustable Coilover Suspension Kit / Lowering Kit 20-40mm - Adjustable Shocks & Springs

Height Adjustable Suspension Upgrade for BMW M3 E46 Coupe and Convertible

Unlock sharper handling, a purposeful stance and precision ride height control with this ST X coilover suspension set for the BMW M3 E46. Engineered by KW Automotive in Germany, this performance shocks and springs package delivers confident road feel, reduced body roll and fast road composure while remaining daily‑driveable. Ideal for M3 coupe and cabriolet models from 06/2000 onwards, chassis code M346.

Looking for E46 M3 coilovers, a BMW M3 suspension kit, adjustable shocks and springs or a lowering suspension solution for your M3? This ST X height adjustable coilover kit is a proven, reliable choice that combines quality construction with real‑world performance. We have installed these at MJ Modifications and customer feedback has been excellent for both street and track day use.

Lowering Range and Vehicle Limits

• Front drop: 20 to 40 mm
• Rear drop: 20 to 40 mm
• Maximum permitted axle load: front up to 990 kg, rear up to 1170 kg

Why Choose ST X for Your E46 M3

• KW Automotive expertise for consistent damping and confident control
• Continuous thread ride height adjustment for precise stance tuning
• Durable polyamide adjustment collar for easy, repeatable changes
• Galvanised strut bodies with additional coating for corrosion protection
• Twin‑tube dampers with low‑friction housing and chrome‑plated piston rods
• Monoblock guide and dedicated ST seal package to keep contaminants out
• Complete package with adjustable spring seats, performance springs, bump stops and dust boots

Built for Fast Road and Track Day Confidence

This coil‑over suspension transforms the M3 with quicker turn‑in, improved agility and a planted feel through corners. The result is a BMW M3 E46 suspension upgrade that combines everyday comfort with engaging performance for spirited driving.

Fitment

• BMW M3 E46 coupe and convertible
• From 06/2000 onwards
• Chassis code M346

Professional Installation and Setup

For fitting, geometry and ride height setup, we recommend booking with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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Order today for a precision stance and a noticeable handling upgrade on your BMW M3 E46.