AST Suspension Lowering Springs 30mm/30mm — Fits 2019-2024 BMW M340i xDrive

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SKU: ASTASTLS-20-320
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Sale price$336.86 Regular price$337.85
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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

Aggressive Stance for Your M340i xDrive

Transform the look and handling of your 2019-2024 BMW M340i xDrive with the AST Lowering Spring kit. Providing a 30mm drop at both the front and rear, these springs eliminate the unsightly wheel gap while lowering the vehicle's center of gravity. This reduction in height is essential for minimizing body roll and improving the overall balance of your xDrive system during spirited driving.

Performance Features

  • 30mm Drop: Perfect aesthetic balance for the M340i chassis.
  • OEM Compatibility: Designed to work seamlessly with factory dampers.
  • Advanced Metallurgy: Crafted from high-grade materials using Wafios coiling machines for maximum resilience.
  • Progressive Rate: Engineered to provide a compliant ride on uneven roads while remaining firm in corners.

AST springs are developed with a focus on vehicle-specific dynamics, ensuring that your M340i maintains its sophisticated driving characteristics while gaining a more aggressive, track-inspired profile. With a lifetime warranty against breakage, you can trust that your investment is protected. Upgrade your vehicle's suspension geometry and curb appeal with precision parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 BMW M340i xDrive Base

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

Aggressive Stance for Your M340i xDrive

Transform the look and handling of your 2019-2024 BMW M340i xDrive with the AST Lowering Spring kit. Providing a 30mm drop at both the front and rear, these springs eliminate the unsightly wheel gap while lowering the vehicle's center of gravity. This reduction in height is essential for minimizing body roll and improving the overall balance of your xDrive system during spirited driving.

Performance Features

  • 30mm Drop: Perfect aesthetic balance for the M340i chassis.
  • OEM Compatibility: Designed to work seamlessly with factory dampers.
  • Advanced Metallurgy: Crafted from high-grade materials using Wafios coiling machines for maximum resilience.
  • Progressive Rate: Engineered to provide a compliant ride on uneven roads while remaining firm in corners.

AST springs are developed with a focus on vehicle-specific dynamics, ensuring that your M340i maintains its sophisticated driving characteristics while gaining a more aggressive, track-inspired profile. With a lifetime warranty against breakage, you can trust that your investment is protected. Upgrade your vehicle's suspension geometry and curb appeal with precision parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 BMW M340i xDrive Base

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

Aggressive Stance for Your M340i xDrive

Transform the look and handling of your 2019-2024 BMW M340i xDrive with the AST Lowering Spring kit. Providing a 30mm drop at both the front and rear, these springs eliminate the unsightly wheel gap while lowering the vehicle's center of gravity. This reduction in height is essential for minimizing body roll and improving the overall balance of your xDrive system during spirited driving.

Performance Features

  • 30mm Drop: Perfect aesthetic balance for the M340i chassis.
  • OEM Compatibility: Designed to work seamlessly with factory dampers.
  • Advanced Metallurgy: Crafted from high-grade materials using Wafios coiling machines for maximum resilience.
  • Progressive Rate: Engineered to provide a compliant ride on uneven roads while remaining firm in corners.

AST springs are developed with a focus on vehicle-specific dynamics, ensuring that your M340i maintains its sophisticated driving characteristics while gaining a more aggressive, track-inspired profile. With a lifetime warranty against breakage, you can trust that your investment is protected. Upgrade your vehicle's suspension geometry and curb appeal with precision parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 BMW M340i xDrive Base

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