ST Suspension ST X Coilover Kit for BMW 2/3/4 Series F22 F30 F32 F36 2WD (2012-2020) - Height Adjustable 25-55mm - Fits 228i 230i 320i 328i 330i 328d 428i 430i - KW Automotive - Part No 1322000D

ST X Ride-Height Adjustable Suspension Package for BMW F22 F30 F32 F36 RWD - Part No 1322000D

Give your 2 Series, 3 Series or 4 Series a serious handling upgrade with the ST X coilover suspension by KW Automotive. This premium shock and spring package delivers confident cornering, cleaner turn-in and a purposeful stance while keeping daily comfort intact. Perfect for rear wheel drive BMW F22, F30, F32 and F36 models including 228i, 230i, 320i, 328i, 330i, 328d, 428i and 430i from 2012 to 2020.

We run ST X on our own cars and customer builds, and the feedback has been consistently strong on UK B-roads: smoother body control, better grip over uneven surfaces and a tidy wheel arch gap that looks right on OEM or aftermarket wheels. If you want a reliable, great-value performance suspension kit that is built by KW Automotive and proven on British roads, this is it.

What you get from the ST X coilover system

• Ride-height adjustability for a precise drop front and rear
• Sportier handling with reduced body roll and sharper steering response
• Twin-tube dampers with chrome-plated piston rods for durability and consistent performance
• Galvanised steel struts with added corrosion protection for year-round UK use
• Polyamide spring seats for easy on-car height adjustment
• Monoblock guide and advanced sealing to keep dirt and grit out
• Matched springs, bump stops and dust boots for a complete bolt-on solution
• Designed and manufactured by KW Automotive for quality you can trust
• Ideal for daily driving, spirited B-road runs and achieving the right stance

Lowering range and key specs

• Front drop: 25 to 50 mm
• Rear drop: 30 to 55 mm
• Adjustment: Ride height only
• Damping: Pre-set for fast-road balance
• Damper design: Twin-tube
• Strut material: Galvanised steel with corrosion protection
• Warranty: 2 years
• Part number: 1322000D

Compatibility - rear wheel drive only

• BMW 2 Series F22 2014-2020 - 228i, 230i
• BMW 3 Series F30 2012-2018 - 320i, 328i, 330i, 328d
• BMW 4 Series F32 and F36 2014-2020 - 428i, 430i

Fitment notes

• RWD models only
• Not suitable for cars with EDC or factory electronic damping
• With OEM wheels and tyres, spacers may be required depending on tyre size and alignment
• Professional alignment is recommended after installation

Why enthusiasts choose this kit

• Trusted KW engineering with everyday comfort and fast-road confidence
• Clean, even lowering to eliminate arch gap without ruining ride quality
• Excellent value compared with adjustable-damping alternatives
• Proven reliability in UK weather thanks to galvanised construction

Professional installation

Want it fitted properly the first time? Book installation with MJ Modifications in Warwickshire. For a tailored quote, email info@mjmodifications.co.uk. We can advise on ride height targets and setup to suit daily use or a more aggressive stance.

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Part number: 1322000D