• AST Suspension Lowering Springs (45mm/30mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Sedan (E90)
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AST Suspension Lowering Springs (45mm/30mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Sedan (E90)

AST Suspension Lowering Springs (45mm/30mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Sedan (E90)

ASTLS-14-386

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$285.47 USD
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The AST Suspension Lowering Springs for the 2005-2012 BMW 3 Series (E90) are high-performance suspension components designed to improve handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are selected for their strength and consistency. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and reduce internal stresses, followed by shot peening, phosphate treatment, and powder coating to ensure durability and corrosion resistance. Featuring progressive rates on most vehicles, these springs provide a smoother ride and improved cornering stability while maintaining ride comfort. Their construction emphasizes longevity and performance, making them a reliable upgrade for enthusiasts seeking enhanced vehicle dynamics.

Designed specifically for the E90 chassis from 2005 to 2012, including models such as 316i, 318i, and 320i sedans, these lowering springs serve as a direct replacement for factory components. They are ideal for street performance and daily driving, offering a lowered stance of 45mm at the front and 30mm at the rear to improve handling and visual appeal. Installation is straightforward, compatible with the vehicle’s existing suspension system, and does not require additional modifications. The kit includes the set of springs, providing a comprehensive upgrade for owners looking to enhance their BMW’s driving experience and appearance.

Overview

AST Lowering Springs for the 2005-2012 BMW 3 Series (E90) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency.

Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.

Features

  • Progressive rates on most vehicles.
  • EDC Compatible (if applicable to vehicle)
  • Each spring is blocked and computer tested prior to shipping, which reduces any settling once installed on the vehicle.
  • Lifetime warranty on breaking.
  • Most of our spring applications are TUV Certified and certificates can be provided upon request.

Lowering Range

  • Front: 45mm
  • Rear: 30mm
  • TUV Certified? Yes
Vehicle Fitment
  • Part Number: ASTLS-14-386
  • Product: AST Lowering Springs
  • Production Years: 2005-02/2012
  • Model Years: 2005-2012
  • Make: BMW
  • Model: 3 Series
  • Chassis: E90
  • Model Note: -
  • Note 1: Not suitable for 4WD (four-wheel drive) cars.

Additional Vehicle Fitment

  • 2005 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2006 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2007 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2008 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2009 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2010 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2011 BMW 3 Series 316i/318i/320i Sedan (E90)
  • 2012 BMW 3 Series 316i/318i/320i Sedan (E90)
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