SKU: ASTLS-22-311
AST 07/2021+ BMW 4 Series Lowering Springs – 25mm/25mm
AST lowering springs lower your 2022+ BMW 4 Series Coupe (G42) and Gran Coupe (G46) by 25mm front and rear as a direct OEM replacement. They lower the center of gravity for sharper handling while retaining the ride comfort of stock springs. Developed specifically for these models these progressive springs deliver balanced performance on street or track.
Key Features
- Vehicle-Specific Fit: Precision engineered as direct OEM replacements for 2022+ BMW 4 Series Coupe and Gran Coupe models ensuring perfect compatibility and easy installation
- 25mm Drop: Uniform 25mm lowering front and rear reduces center of gravity improves cornering stability and gives aggressive stance without sacrificing daily drivability
- Progressive Spring Design: Variable rates provide linear response absorbing bumps smoothly while firming up under load for enhanced control and feedback
- Premium Construction: Cold-wound from high-tensile spring steel on Wafios coiling machines then shot-peened and set for durability and consistent performance
- Lifetime Warranty: Covered against sagging cracking or breaking for complete confidence in long-term reliability
Product Notes
- Pair with performance shocks for maximum handling gains though compatible with OEM dampers
- Inspect alignment after install and recheck torque after 100 miles
- Special order item lead time may apply verify stock before purchase
Installation Notes
- Professional installation recommended.
- Bolt-on replacement no cutting or modifications required
- Compatible with OEM strut mounts and hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022-2025 | BMW | 4 Series | 430i Coupe (G42) |
| 2022-2025 | BMW | 4 Series | 430i xDrive Coupe (G42) |
| 2022-2025 | BMW | 4 Series | M440i Coupe (G42) |
| 2022-2025 | BMW | 4 Series | M440i xDrive Coupe (G42) |
| 2022-2025 | BMW | 4 Series Gran Coupe | 430i Gran Coupe (G46) |
| 2022-2025 | BMW | 4 Series Gran Coupe | 430i xDrive Gran Coupe (G46) |
| 2022-2025 | BMW | 4 Series Gran Coupe | M440i Gran Coupe (G46) |
| 2022-2025 | BMW | 4 Series Gran Coupe | M440i xDrive Gran Coupe (G46) |
Why Choose AST?
- Proven in racing and street applications across thousands of vehicle models worldwide
- High-strength materials deliver lasting performance without compromise
- Advanced engineering ensures precise fit and dynamic response tailored to BMW chassis
Frequently Asked Questions
- Q: Will these fit my 2023 BMW M440i xDrive Coupe G42?
A: Yes direct fit for all listed 2022-2025 BMW 4 Series Coupe G42 and Gran Coupe G46 models excluding M4 diesel or right-hand drive variants confirm your chassis code - Q: What material are the springs made from?
A: High-tensile chrome-silicon steel cold wound on Wafios machines shot-peened and preset for fatigue resistance and longevity - Q: What does the lifetime warranty cover?
A: Full coverage against manufacturing defects sagging cracking or breaking under normal use non-transferable contact AST for claims
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 18 x 9 x 9 inches
- Weight: 25 lbs
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