GODSPEED PROJECT | BMW 430i / 440i / M440i (G22 / G23) Mono-Air Strut Lowering Kit (2020–2025)

GODSPEED PROJECT | BMW 430i / 440i / M440i (G22 / G23) Mono-Air Strut Lowering Kit (2020–2025)

Take full control of your BMW 4-Series stance and ride quality with the GODSPEED PROJECT Mono-Air Strut Lowering Kit. Designed for drivers who want aggressive looks, daily comfort, and on-demand adjustability, this air suspension setup delivers the perfect balance between performance and style.

Built around high-performance mono-tube dampers, this system features 32 levels of rebound damping adjustment, allowing you to dial in ride comfort for daily cruising or tighten things up for spirited driving. Premium rubber air bags replace traditional springs, giving you smooth and reliable ride height adjustment while maintaining long-term durability. The result is a clean, responsive setup that works seamlessly with most aftermarket air management systems.

🔧 Key Features

• Mono-tube shocks with anodized 52mm shock bodies

• 32-level rebound damping adjustment for precise tuning

• Race-spec shock oil with high viscosity index

• High-quality rubber air bags for smooth height control

• Stainless steel air fittings for long-term reliability

• Aluminum and carbon steel hardware

• Factory-style mounting for straightforward bolt-on installation

• Compatible with most air management systems (sold separately)

• G1/8 and/or G1/4 air fittings included

• Fits 8mm O.D. pneumatic air tubing

• Maximum air bag pressure: 150 PSI

📦 What’s Included

• (2) Front Mono-Air strut assemblies

• (2) Rear Mono-Air strut assemblies

• G1/8 and/or G1/4 air fittings

• Tool kit with spanner wrenches & damping adjustment knobs

🚗 Vehicle Compatibility

• BMW 430i / 440i / M440i

• Chassis: G22 (Coupe) / G23 (Convertible)

• Model Years: 2020–2025

• Drivetrain: RWD & AWD

• Excludes: M3 models

Important Notes:

• Vehicles equipped with OE electronic suspension require a bypass module to disable suspension warning lights.

• Vehicles with adaptive dampers will trigger a warning light for the adaptive damping system; vehicle operation will not be affected.

🛠 Installation Notes

• Verify all hardware prior to installation

• Set spring preload to 5–10mm (1/4”–3/8”)

• Front top mounts not included

• Rear top mounts reuse factory components

• Professional installation is recommended

⚠ California Proposition 65 Warning

This product contains nickel, which is known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.