• AST Suspension Lowering Springs (50mm/40mm TUV) - 1999-2005 BMW 3 Series 4CYL Touring (E46)
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AST Suspension Lowering Springs (50mm/40mm TUV) - 1999-2005 BMW 3 Series 4CYL Touring (E46)

AST Suspension Lowering Springs (50mm/40mm TUV) - 1999-2005 BMW 3 Series 4CYL Touring (E46)

ASTLS-14-379

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$306.09 USD
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The AST Suspension Lowering Springs for the 1999-2005 BMW 3 Series E46 are high-performance coil springs designed to lower the vehicle's ride height by 50mm front and 40mm rear. Crafted from premium high tensile chromium-silicone wire, these springs are engineered for durability and consistent performance. The manufacturing process involves cold winding, heat treatment to enhance hardness and reduce internal stresses, followed by shot peening, phosphate treatment, and powder coating to ensure longevity and resistance to corrosion. These springs provide a progressive rate, improving handling, stability, and cornering response while maintaining ride comfort for street and spirited driving.

Designed specifically for the E46 chassis with 4-cylinder engines, these springs are a direct replacement for factory components, offering an upgrade in both aesthetics and performance. They are suitable for street use, track days, or daily driving, delivering improved stance and handling characteristics. Installation is straightforward as they are bolt-on components compatible with the original suspension setup. The kit includes the set of lowering springs, ensuring a comprehensive upgrade for enthusiasts seeking enhanced driving dynamics and a lowered stance on their BMW 3 Series.

Overview

AST Lowering Springs for the 1999-2005 BMW 3 Series (E46) 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.
Specifications
Part Number ASTLS-14-379
Product AST Lowering Springs
Production Years 10/1999-09/2005
Model Years 1999-2005
Make BMW
Model 3 Series
Chassis E46
Approximate Drop – Front 50mm
Approximate Drop – Rear 40mm
TÜV Certified Yes
Model Note -
Note 1 -

Vehicle Fitment

  • 1999 BMW 3 Series 4CYL Touring (E46)
  • 2000 BMW 3 Series 4CYL Touring (E46)
  • 2001 BMW 3 Series 4CYL Touring (E46)
  • 2002 BMW 3 Series 4CYL Touring (E46)
  • 2003 BMW 3 Series 4CYL Touring (E46)
  • 2004 BMW 3 Series 4CYL Touring (E46)
  • 2005 BMW 3 Series 4CYL Touring (E46)
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