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KW

KW Variant 2 Inox-Line Coilover Kit for BMW 3 Series G21 Touring & 4 Series G22 Coupe (M340i xDrive, M440i xDrive, 320d xDrive, 330d xDrive) – 16-Click Rebound Adjustable, Height Adjustable – Part No. 152200CZ

KW Variant 2 Inox-Line Coilover Kit for BMW 3 Series G21 Touring & 4 Series G22 Coupe (M340i xDrive, M440i xDrive, 320d xDrive, 330d xDrive) – 16-Click Rebound Adjustable, Height Adjustable – Part No. 152200CZ

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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.

Adjustable Stainless Suspension for BMW G21 3 Series Touring and G22 4 Series Coupé - Fast-road control with everyday comfort

Part Number: 152200CZ

Transform the way your G21 estate or G22 two-door drives with this German-engineered adjustable spring and damper package. Expect razor-sharp steering response, a lower centre of gravity and a composed ride on British roads. With 16 stages of rebound control, threaded ride height adjustment and corrosion resistant stainless housings, this premium suspension upgrade gives you the stance you want and the handling you crave.

Developed on the Nürburgring and validated on a 7-post test rig, this road-focused performance setup reduces body movement, increases traction and inspires confidence in wet or dry conditions. Our team has installed and set these up on customer cars and our own builds with outstanding feedback for stability, road compliance and fast B-road pace.

Why this suspension kit stands out

  • 16-stage rebound damping adjustment for dialled-in comfort or sport, set it soft for commuting or firm for spirited drives
  • Threaded struts for precise ride height tuning within the tested adjustment range, achieve a purposeful drop without compromising usability
  • Stainless steel housings and corrosion resistant hardware that shrug off UK road salt for long-term reliability
  • Engineered and track-proven at high speed, yet refined for daily use on rough tarmac and motorway miles
  • Improved turn-in, reduced pitch and roll, better mid-corner support and enhanced high-speed stability
  • Great with larger wheels and performance tyres, fine-tune rebound to match your wheel and tyre setup
  • Supplied as a ready-to-install complete solution with full documentation and part approval (§19.3)

What you can adjust

Rebound control: 16 clicks of external adjustment let you quickly tailor body control and wheel control without altering the compression base valve. Go firmer for a more connected, direct feel or soften for extra compliance on poor surfaces.

Built to last in the UK climate

  • Inox stainless construction for exceptional corrosion resistance
  • High quality components for consistent damping performance over time
  • Comprehensively tested with detailed documentation for a confident install

Vehicle compatibility

BMW

  • G21 3 Series Touring (07/2019+)
    • 320d xDrive, 320d Mild-Hybrid xDrive
    • M340i xDrive
    • M340d Mild-Hybrid xDrive
  • G22 4 Series Coupé (07/2020+)
    • 430d Mild-Hybrid xDrive
    • M440i Mild-Hybrid xDrive

Real-world results

Installed by us on multiple G-series BMWs, this setup delivers the sweet spot for fast-road driving: quieter, tighter and more predictable than stock with a clean, even drop. Customers regularly report greater confidence on B-roads, improved motorway stability and a premium ride quality.

Installation and setup

Professional fitting, alignment and corner-weighting available at MJ Modifications in Warwickshire. For a tailored quote, email info@mjmodifications.co.uk.

Documents

Manufacturer and warranty

Manufacturer: KW

Warranty:

  • Street Coilovers, Variant 1, Variant 2, Variant 3, Street Comfort – Limited Lifetime Warranty
  • Bushings, bump stops and ball joints – 1 year
  • ClubSport Coilovers, 2-way Race Coilovers, 3-way Race Coilovers – No warranty

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