1 1

MSS

MSS Sport Height Adjustable Lowering Springs Suspension Kit for BMW 1 Series F20/F21 Hatchback (M135i/M140i) 0–30mm Drop

MSS Sport Height Adjustable Lowering Springs Suspension Kit for BMW 1 Series F20/F21 Hatchback (M135i/M140i) 0–30mm Drop

£995.81
£1,082.40 £995.81
Sale Sold out
Shipping calculated at checkout.
3 Door or 5 Door Hatchback

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 Ride-Height Spring Set for BMW F20 F21 1 Series Hatch - Sport Specification

Unlock precision handling, confidence-inspiring grip and a purposeful stance with this MSS Sport adjustable spring set for the BMW 1 Series F20 and F21. Engineered for keen road drivers and occasional circuit use, this upgrade delivers a clean drop, sharper steering response and real composure on British B-roads while preserving day-to-day comfort.

The MSS system uses a stacked progressive spring arrangement with three distinct rates, designed in the UK and manufactured in Germany. Compared with stock dampers and conventional single-rate drop springs, the MSS layout copes with a wider range of surfaces and loads, giving flatter cornering, improved traction out of bends and greater stability under hard braking and acceleration. If you want a coilover alternative that rides well yet feels pinned when pushing on, this is the one.

We have fitted and driven this kit at MJ Modifications and customer feedback has been outstanding. Owners report a transformative step in body control, steering precision and road confidence without the crashy ride associated with cheap lowering springs.

Highlights

  • On-car ride height adjustment for the exact stance you want
  • Adjustable drop: 0 to 30 mm, tailored to your road or track setup
  • Stacked triple-rate spring technology for comfort over rough surfaces and control when pressing on
  • Works seamlessly with factory electronic dampers where fitted
  • Reduced roll, dive and squat for faster direction changes and better drive out of corners
  • Sharper steering feel and rock-solid stability at motorway speeds
  • Sport bias ideal for spirited street use and occasional track days, including use with R-compound tyres
  • Designed in Britain, precision made in Germany
  • Lifetime warranty from the manufacturer

Compatibility

  • BMW 1 Series F20 5-door Hatch, including M135i and M140i
  • BMW 1 Series F21 3-door Hatch, including M135i and M140i

Lowering Range

0 to 30 mm ride-height adjustment.

Part Numbers

  • 02aBMW1F20HB - F20 5-door Hatchback
  • 02aBMW1F21HB - F21 3-door Hatchback

Recommended Extras

For best results we recommend upgrading to Genuine BMW M Performance bump stops:

  • Front: F20 F21 F22 F23
  • Rear: F20 F21 F22 F23
  • Suitable for M135i, M140i, M235i, M240i

Professional Fitting and Setup

For expert installation, corner height setup and post-fit checks, book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Why Buy from MJ Modifications

We specialise in BMW chassis upgrades and know the F20 F21 platform inside out. We have installed and tested this MSS Sport kit extensively. Our customers consistently praise the ride quality, improved grip and confidence it delivers. Buy with confidence and transform your 1 Series with a premium adjustable spring solution that genuinely enhances performance and appearance.

Manufacturer

MSS Suspension

SEO Search Phrases

BMW 1 Series suspension upgrade UK, F20 suspension springs, F21 suspension springs, M135i handling kit, M140i handling kit, BMW 1 Series drop kit, adjustable springs BMW F20 F21, ride height kit BMW, progressive lowering springs, coilover alternative BMW 1 Series, stance springs BMW, track day springs BMW 1 Series, BMW hatchback suspension tuning, performance springs for M140i, performance springs for M135i, MSS Sport spring set, BMW F20 F21 chassis upgrade, UK made spring technology, German manufactured suspension.

View full details