AST
AST BMW G87 M2 / G80 M3 / G81 /G82 M4 / G83 M4 Adjustable Lowering Springs - 20-46mm Fr / 10-36mm Rr - ASTALS-21-004
- SKU:
- ASTASTALS-21-004
- UPC:
- astASTALS-21-004
- MPN:
- ASTALS-21-004
- Availability:
- Regularly stocked product
Description
Will AST Lowering Springs fit my vehicle?
Confirm fitment with your specific vehicle's year, make, and model for a guaranteed bolt-on installation of AST Lowering Springs.
What is the installation process for AST Lowering Springs?
Bolt-on installation directly replaces OEM springs, allowing easy DIY upgrades for enhanced vehicle stance and handling dynamics.
AST Lowering Springs offer adjustable ride height, perfect for achieving a tailored stance and superior grip by lowering your car's center of gravity. Featuring a unique design for fine-tuning, these springs preserve OEM comfort for an exceptional driving experience. Trust AST for a confident, performance-driven upgrade that transforms your vehicle's handling.
What Owners Say
Owners and enthusiasts consistently praise AST lowering springs for delivering an impressive 30mm drop while maintaining factory-like ride quality—smooth, comfortable, and not bouncy even during daily driving. The aggressive stance is a major selling point, with some noting the rear nearly tucks after settling. Several owners position AST as a strong alternative to H&R and Eibach options, offering a wider lowering range than competitors like KW at roughly $200 less. However, some users have reported coil-bind sounds and occasional clunky noises when turning at low speeds, issues worth noting during installation. Despite these isolated concerns, AST springs have earned solid respect in the BMW performance community for balancing aesthetics, ride comfort, and value.
Key Features
- Adjustable Lowering Springs
- fine-tune your ride height even after installation
- lowers your car’s center of gravity
- keeping the comfort of OEM springs
- progressive design
- direct OEM replacement
Why Choose the AST Lowering Springs
Achieve a perfectly tailored stance and aggressive look with adjustable ride height.
Transforms handling dynamics by lowering your car's center of gravity for superior grip.
Delivers a thrillingly responsive yet surprisingly comfortable ride, preserving OEM feel.
Provides a seamless upgrade experience with direct fitment for your M3/M4.
Who Is This For?
Daily Driving Comfort — 7/10
Keeps OEM spring comfort with adjustable lowering.
Track / Autocross — 9/10
Adjustable lowering improves center of gravity for performance.
Street Performance — 9/10
Adjustable lowering improves center of gravity for performance.
Racing Competition — 9/10
Adjustable lowering improves center of gravity for performance.
Easy DIY Install — 8/10
Bolt-on install, direct OEM replacement.
Visual / Aesthetic Upgrade — 8/10
Adjustable lowering changes ride height for looks.
Frequently Asked Questions
What vehicles do AST Lowering Springs fit?
AST Lowering Springs are engineered for a precise fitment, exclusively compatible with the 2021-2023 BMW M3/M4 models. This direct replacement ensures seamless integration with your vehicle's existing suspension geometry. Trust in the exact fitment for your specific M3 or M4 application.
How difficult is it to install AST Lowering Springs?
Installation of AST Lowering Springs is a straightforward bolt-on process, designed for ease of use. This direct OEM replacement approach facilitates a simple DIY upgrade or a quick shop installation. Experience a straightforward installation with these direct-fit lowering springs.
How do AST Lowering Springs improve performance?
AST Lowering Springs elevate performance with an adjustable lowering capability, achieving a score of 9 for Track/Autocross and Street Performance. By lowering the car's center of gravity, they significantly enhance grip and handling dynamics. Achieve superior grip and responsiveness with this performance-oriented upgrade.
Can I fine-tune the ride height with AST Lowering Springs?
Yes, AST Lowering Springs offer adjustable lowering, allowing you to fine-tune your ride height even after installation. This advanced feature provides a usage score of 8 for Visual/Aesthetic Upgrade, letting you achieve your desired stance. Dial in your perfect look with precise ride height adjustability.
Additional Resources
Browse More: Shop All Lowering Springs — Suspension
Additional Information
Clearance Item: |
N |
MPN: |
ASTALS-21-004 |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Suspension>Lowering Springs |
Install Type: |
Bolt-On |
Product Level: |
Premium Performance |
Daily Driving Comfort: |
7/10 |
Track / Autocross: |
9/10 |
Street Performance: |
9/10 |
Racing Competition: |
9/10 |
Easy DIY Install: |
8/10 |
Visual / Aesthetic Upgrade: |
8/10 |