AST Adjustable Lowering Springs 20-46mm Fr/10-36mm Rr — Fits 2021-2023 BMW M3 M4 G80 G82

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SKU: ASTASTALS-21-004
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About AST AST engineers high-quality automotive parts and accessories trusted ...Read More

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Sale price$1,234.01 Regular price$1,235.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Handling for Your BMW M-Series

Unlock the full potential of your BMW G80 M3 or G82 M4 with the AST Height Adjustable Lowering Spring kit. Designed for enthusiasts who demand both aesthetic perfection and track-ready performance, these springs allow you to fine-tune your ride height even after installation. Unlike fixed-rate springs, the AST system provides the flexibility to dial in your stance while maintaining the refined comfort of your factory suspension.

Technical Advantages

  • Adjustable Range: 20-46mm front and 10-36mm rear drop capabilities.
  • Premium Construction: Engineered in the Netherlands using advanced Wafios coiling technology for superior durability.
  • Progressive Design: Optimizes center of gravity to reduce body roll during high-speed cornering.
  • Direct Fitment: Engineered specifically for the G80/G82/G87 chassis to ensure seamless integration with OEM components.

By lowering your vehicle's center of gravity, these springs significantly improve turn-in response and overall stability without sacrificing daily drivability. Whether you are attacking a canyon road or preparing for a track day, this kit provides the necessary balance between aggressive styling and performance handling. Experience the engineering excellence that GGCRACING brings to your vehicle setup today.

Vehicle Fitment

Years Make Model Trim
2021-2023 BMW M3 Base
2021-2023 BMW M3 Competition
2022-2023 BMW M3 Competition xDrive
2021-2023 BMW M4 Base
2021-2023 BMW M4 Competition

Product Details

Product Description
Part Numbers
Sizing & Fit

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Handling for Your BMW M-Series

Unlock the full potential of your BMW G80 M3 or G82 M4 with the AST Height Adjustable Lowering Spring kit. Designed for enthusiasts who demand both aesthetic perfection and track-ready performance, these springs allow you to fine-tune your ride height even after installation. Unlike fixed-rate springs, the AST system provides the flexibility to dial in your stance while maintaining the refined comfort of your factory suspension.

Technical Advantages

  • Adjustable Range: 20-46mm front and 10-36mm rear drop capabilities.
  • Premium Construction: Engineered in the Netherlands using advanced Wafios coiling technology for superior durability.
  • Progressive Design: Optimizes center of gravity to reduce body roll during high-speed cornering.
  • Direct Fitment: Engineered specifically for the G80/G82/G87 chassis to ensure seamless integration with OEM components.

By lowering your vehicle's center of gravity, these springs significantly improve turn-in response and overall stability without sacrificing daily drivability. Whether you are attacking a canyon road or preparing for a track day, this kit provides the necessary balance between aggressive styling and performance handling. Experience the engineering excellence that GGCRACING brings to your vehicle setup today.

Vehicle Fitment

Years Make Model Trim
2021-2023 BMW M3 Base
2021-2023 BMW M3 Competition
2022-2023 BMW M3 Competition xDrive
2021-2023 BMW M4 Base
2021-2023 BMW M4 Competition

Product Details

Product Description

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision Handling for Your BMW M-Series

Unlock the full potential of your BMW G80 M3 or G82 M4 with the AST Height Adjustable Lowering Spring kit. Designed for enthusiasts who demand both aesthetic perfection and track-ready performance, these springs allow you to fine-tune your ride height even after installation. Unlike fixed-rate springs, the AST system provides the flexibility to dial in your stance while maintaining the refined comfort of your factory suspension.

Technical Advantages

  • Adjustable Range: 20-46mm front and 10-36mm rear drop capabilities.
  • Premium Construction: Engineered in the Netherlands using advanced Wafios coiling technology for superior durability.
  • Progressive Design: Optimizes center of gravity to reduce body roll during high-speed cornering.
  • Direct Fitment: Engineered specifically for the G80/G82/G87 chassis to ensure seamless integration with OEM components.

By lowering your vehicle's center of gravity, these springs significantly improve turn-in response and overall stability without sacrificing daily drivability. Whether you are attacking a canyon road or preparing for a track day, this kit provides the necessary balance between aggressive styling and performance handling. Experience the engineering excellence that GGCRACING brings to your vehicle setup today.

Vehicle Fitment

Years Make Model Trim
2021-2023 BMW M3 Base
2021-2023 BMW M3 Competition
2022-2023 BMW M3 Competition xDrive
2021-2023 BMW M4 Base
2021-2023 BMW M4 Competition

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