Performance M
ST Suspensions ST X Coilover Suspension Kit for BMW 3 Series E46 (1998–2006) – Saloon/Limousine, Touring Estate, Coupe, Cabriolet/Convertible – Height Adjustable Lowering Shocks & Springs – KW Engineered – 346L 346C 346R
ST Suspensions ST X Coilover Suspension Kit for BMW 3 Series E46 (1998–2006) – Saloon/Limousine, Touring Estate, Coupe, Cabriolet/Convertible – Height Adjustable Lowering Shocks & Springs – KW Engineered – 346L 346C 346R
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Transform the way your BMW 3 Series E46 drives and looks with this height adjustable coilover suspension system from ST, engineered by KW Automotive. Ideal for daily use and spirited B-road blasts, this adjustable ride height kit delivers confident handling, a purposeful stance and long-term durability for Saloon, Touring, Coupé and Cabriolet models from 05/1998 onward.
Why enthusiasts choose this adjustable suspension kit
- Proven performance that tightens body control, reduces roll and sharpens turn in while remaining comfortable on UK roads.
- Ride height flexibility so you can dial in the perfect stance or practical drop for road, show or fast road setups.
- Built to last with galvanised struts and additional corrosion protection for year round use in British weather.
- KW Automotive manufacturing for precise damping characteristics and consistent quality.
Fitment and key specs
- Platform: BMW 3 Series E46 Saloon Limousine, Touring estate, Coupé and Cabriolet from 05/1998 onward
- Lowering range: Front 40 to 75 mm, Rear 30 to 60 mm
- Maximum axle loads: Front up to 1030 kg, Rear up to 1215 kg
- Adjustment: Simple height changes via a robust polyamide adjuster collar on the threaded body, front and rear where applicable
- Construction: Twin tube dampers, chrome plated piston rods, low friction, pressure resistant housings, mono block guide and multi lip sealing package to keep dirt out
- Complete kit: Adjustable spring perches, performance springs, bump stops and dust boots
- Part numbers: 346L, 346C, 346R
What you'll feel on the road
- Flatter cornering and improved stability at speed
- Sharper steering response with predictable grip
- Confident everyday drivability with a quality ride
- A clean, even drop that complements OEM and aftermarket wheel setups
Real world results
We run this setup on customer cars and have fitted numerous kits at our workshop. Feedback is consistently positive on ride quality, stance and handling balance. It's a strong upgrade over tired factory dampers or lowering springs alone.
Popular searches this kit matches
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Professional installation
Want it fitted correctly with fast turnaround and a tailored ride height setup? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and availability.
Important: Always verify your vehicle's axle loads and chassis before ordering. Do not exceed the stated maximum axle weights.
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