H&R Sport Lowering Springs for BMW 3 Series G20 Saloon/Sedan 2019-on (320i 320d 330i 330d M340i) - 30-40mm Drop Coil Spring Suspension Kit | H and R BMW G20 Drop Springs Upgrade

H&R Performance Coil Spring Set for BMW G20 3 Series 320i 320d 330i 330d M340i - 30 to 40 mm Ride Height Reduction

Give your BMW 3 Series G20 the stance, control and confidence it deserves. This H&R coil spring set drops the centre of gravity for sharper handling, tighter body control and a clean, aggressive look on the road. Engineered and tested in Germany, these springs deliver real-world gains without ruining comfort, making them a standout chassis upgrade for 320i, 320d, 330i, 330d and M340i owners across the UK.

Ride height reduction

• With factory Sport or M Sport suspension:
  • Front: approximately -30 mm
  • Rear: approximately -30 mm
• Without factory Sport suspension:
  • Front: approximately -40 mm
  • Rear: approximately -38 mm

What you will notice immediately

• Reduced arch gap and a purposeful, OEM+ stance that suits the G20 shape
• Faster turn-in with a more connected steering feel
• Flatter cornering and improved mid-corner stability
• Composed ride that works on British roads

Why this H&R spring set stands out

• German engineered for consistent performance and long-term durability
• Shot-peened for strength and longevity - resists sagging and settling
• Race-bred know-how tuned for daily road use - sporty yet compliant
• Transforms aesthetics and handling in one straightforward upgrade

Real-world feedback

We have installed these on multiple G20 builds at MJ Modifications and the transformation is exactly what enthusiastic drivers want. Customers report a more planted feel at speed, better grip through bends and a stance that looks right without going too low. It is the sweet spot between fast-road precision and day-to-day usability.

Compatibility

BMW 3 Series G20 models: 320i, 320d, 330i, 330d, M340i. Suitable for cars with or without factory Sport or M Sport suspension. If you are unsure of your spec, contact us and we will help confirm suitability.

Fitting and alignment

Professional installation recommended. Book expert fitting with MJ Modifications in Warwickshire and request a quote at info@mjmodifications.co.uk. After installation, have a full four-wheel alignment carried out to optimise handling and tyre life.

Notes

• Drop figures are approximate and can vary based on factory specification and vehicle condition
• This is a spring-only upgrade - can be used with healthy original dampers or paired with performance shocks

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