AST
AST Suspension BMW M5 G99 Adjustable Lowering Springs - ASTALS-21-021
- SKU:
- ASTASTALS-21-021
- UPC:
- ASTALS-21-021
- MPN:
- ASTALS-21-021
- Availability:
- Regularly stocked product
Description
What is the ideal application for AST Lowering Springs?
AST Lowering Springs excel in street performance and track/autocross, leveraging a progressive design for optimal balance and grip.
Can I install AST Lowering Springs myself?
Professional installation is strongly recommended to ensure proper fitment and achieve the desired performance enhancements from your AST Lowering Springs.
AST Lowering Springs transform your vehicle's stance, achieving a 9/10 visual upgrade score by lowering your center of gravity. Their progressive design, a key feature, balances aggressive looks with OEM comfort for enhanced sporty dynamics. Experience superior cornering grip and a personalized aesthetic with confidence.
What Owners Say
Owners and enthusiasts praise AST lowering springs for delivering an aggressive 30mm drop while maintaining factory-like ride comfort without excessive bounce. The springs are frequently compared favorably against H&R and KW alternatives, offering a wider adjustable lowering range at competitive pricing. Fitment is generally clean with no rubbing issues reported, though some users have experienced coil-bind noises and clunky sounds at low speeds or when turning. A few owners note the rear stance can settle quite low, nearly tucking the wheels, which may not appeal to everyone's aesthetic preferences. Despite these occasional concerns, AST springs have earned solid standing among BMW M enthusiasts seeking meaningful suspension enhancement without sacrificing daily drivability.
Key Features
- fine-tune your ride height even after installation
- lowers your car’s center of gravity
- keeping the comfort of OEM springs
- progressive design balances a lowered stance with improved performance
- direct OEM replacement
- made in the Netherlands
Why Choose the AST Lowering Springs
Achieve your perfect stance with adjustable ride height for a truly personalized look and feel.
Transforms handling by lowering your car's center of gravity for superior cornering grip.
Provides a balanced driving experience, maintaining OEM comfort while enhancing sporty dynamics.
Delivers a sleek, aggressive profile without sacrificing everyday drivability or ride quality.
Who Is This For?
Daily Driving Comfort — 7/10
Keeps comfort of OEM springs, progressive design.
Track / Autocross — 8/10
Lowers center of gravity, improves performance.
Street Performance — 8/10
Progressive design balances stance and performance.
Racing Competition — 8/10
Lowers center of gravity, improves performance.
Visual / Aesthetic Upgrade — 9/10
Lowers car's center of gravity for stance.
Easy DIY Install — 7/10
Direct OEM replacement, fine-tune ride height.
Additional Resources
Additional Information
Clearance Item: |
N |
MPN: |
ASTALS-21-021 |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Suspension>Lowering Springs |
Universal Fitment: |
Y |
Product Level: |
Premium Performance |
Daily Driving Comfort: |
7/10 |
Track / Autocross: |
8/10 |
Street Performance: |
8/10 |
Racing Competition: |
8/10 |
Visual / Aesthetic Upgrade: |
9/10 |
Easy DIY Install: |
7/10 |
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