Fitment Information
- BMW 420i 430i M440i G22 / G23 / G26 (2021, 2022, 2023)
Specs & Features
- Front Drop = 105mm/4.1"
- Rear Drop = 155mm/4.3"
- Complete front and rear air suspension system for full ride height adjustability
- Front air-over struts (78588) with 30-level damping adjustment for precise control
- Rear shocks with double-bellow air springs (78688) for maximum drop and stability
- Aggressive drop capability for a clean, flush, show-ready stance
- Performance-tuned dampers for improved handling and ride comfort
- Smooth ride quality that surpasses traditional coilover setups
- Durable air springs designed for consistent load support and long-term reliability
- Stainless steel leader air lines and 1/4" PTC fittings for leak-free performance
- Direct bolt-on installation with all required mounting hardware included
- Corrosion-resistant components for extended durability
- Compatible with Air Lift 3P / 3H management systems for advanced ride control
- Backed by Air Lift’s 1-year warranty and trusted customer support
Kit Includes:
- Pair of double bellows air springs (Front & Rear)
- Stainless steel leader air lines
- 1/4" PTC fittings
- All mounting hardware included
- Detailed instruction manual
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Modifications Required: None
-
Disclaimer: Controller required, but not included in this kit
Product Description
The Air Lift Performance 78588 and 78688 combination delivers a complete air suspension solution for enthusiasts who want full control over their vehicle’s stance and ride quality. With adjustable ride height, you can easily switch from a slammed, show-ready look to a more practical driving height in seconds. The front air-over struts provide responsive handling with 30 levels of damping adjustment, while the rear double-bellow air springs offer the support and drop needed to achieve a perfectly balanced, aggressive stance. Whether you're cruising daily or building a show car, this setup gives you the flexibility to match your style.
Air Lift Performance has built a strong reputation for producing suspension systems that combine durability, precision, and real-world usability. Every component is engineered to perform consistently-from high-quality air springs to corrosion-resistant hardware and fittings. This kit isn’t just about lowering your car-it’s about transforming how it looks and drives. If you’re aiming for a clean daily setup or a head-turning show build, this system delivers the adjustability, comfort, and performance that sets your vehicle apart.

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