Eibach Pro-Kit Sport Lowering Springs for BMW 4 Series Convertible Cabriolet G23 G83 (430i 430d M440i xDrive) 25-30mm Front 20-25mm Rear - Progressive Coil Spring Suspension Drop Kit - E10-20-045-11-22

Eibach Pro-Kit Sport Spring Set for BMW 4 Cabriolet G23 G83 430i 430d M440i xDrive 25 to 30 mm Front 20 to 25 mm Rear - Part Number E10-20-045-11-22

Transform the way your BMW 4 Cabrio drives and looks with the Eibach Pro-Kit sport springs, part number E10-20-045-11-22. This precision spring kit delivers the ideal ride height reduction for the G23 and G83 convertible platform, sharpening steering response and improving stability while keeping day-to-day comfort intact. If you want a purposeful stance, tighter body control and confidence in every corner, this Pro-Kit is the road-focused spring upgrade enthusiasts choose.

We have fitted these Eibach coils for customers and on our own builds at MJ Modifications and the feedback has been outstanding. Owners report a more planted chassis, smoother weight transfer, better turn-in and a clean, even drop that looks factory-plus. No gimmicks, just proven Eibach engineering that works brilliantly with original dampers.

Key benefits

• Optimised ride height for the BMW G23 and G83 cabrio platform for a balanced, aggressive look
• Progressive-rate coils that improve cornering grip and traction while maintaining road comfort
• Works with OE shock absorbers for a straightforward, bolt-on suspension refresh
• Reduced squat and dive for cleaner acceleration and braking performance
• Improved chassis composure and roll control for precise, predictable handling
• Engineered by Eibach for real-world road use with sports car feel

Lowering data and axle loads

• Front drop: 25 to 30 mm
• Rear drop: 20 to 25 mm
• Max front axle load: 1120 kg
• Max rear axle load: 1360 kg

Note: All figures are referenced against a Standard chassis. Factory sport variants such as M Sport may already sit lower from factory. Subtract that amount to estimate your final ride height.

Compatible models

• BMW 4 Series Cabriolet G23, G83 from 07.20 onwards
• 430i, 430d, M440i including Mild-Hybrid xDrive

What is included

• Front springs: F11-20-045-02-FA
• Rear springs: F11-20-014-17-HA

Why Eibach Pro-Kit for your BMW 4 Cabrio

Eibach’s Pro-Kit is renowned for delivering a meaningful ride-height drop without ruining usability. The progressive spring rates calm body movement, help tyres stay in contact with the tarmac and elevate steering feedback. The result is a BMW cabriolet that feels lighter on its feet, tracks true over rough roads and sits with that just-right stance enthusiasts want.

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Compatibility check before dispatch

We will verify fitment prior to shipping. Add your UK registration or last 7 of the VIN at checkout and we will confirm suitability for your specific 4 Series Cabriolet.

Part number

E10-20-045-11-22

Search-friendly terms customers use

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Manufacturer

Eibach

Warranty

5 Year Eibach Warranty