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AST 35mm TUV Lowering Springs | BMW 5 Series E39 (97-04) (ASTLS-14-430)

AST 35mm TUV Lowering Springs | BMW 5 Series E39 (97-04) (ASTLS-14-430)

SKU:ASTLS-14-430

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Regular price $181.46 USD
Regular price $217.75 USD Sale price $181.46 USD
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The AST 35mm TUV Lowering Springs for the BMW 5 Series E39 (97-04) 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 metal consistency by AST engineers. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and reduce internal stresses, and individual shot peening. The phosphate treatment and powder coating ensure durability and corrosion resistance, allowing these springs to outlast the vehicle itself. Featuring progressive rates on most applications, they provide a balanced ride quality while lowering the vehicle's stance for improved cornering and a sportier look.

Designed specifically for 1997-2004 BMW 5 Series E39 models, these springs are compatible with vehicles equipped with Electronic Damping Control (EDC). They serve as a direct replacement for stock springs, offering a lowered ride height of approximately 35mm to enhance handling dynamics without compromising ride comfort. Installation is straightforward for those familiar with suspension upgrades, and the springs are suitable for street and performance driving. The kit includes the set of four springs, ensuring a complete upgrade for improved stability and visual appeal. These springs are ideal for enthusiasts seeking a refined, lowered stance and enhanced driving experience on the street or track.

Overview

AST Lowering Springs for the 1997-2004 BMW 5 Series (E39) 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-14-430
Product AST Lowering Springs
Production Years 03/1997-05/2004
Model Years 1997-2004
Make BMW
Model 5 Series
Chassis E39
Approximate Drop – Front 35mm
Approximate Drop – Rear 35mm
TÜV Certified Yes
Model Note -
Note 1 Excluding M-models, S4 models and cars with Audi sport chassis.
Note 2 The bumpstop must be shortend to 45 mm.
Note 3 In the case cars with a level regulation facility, the rear of the car can be lowered by approx. 15mm if desired by changing the settings on the level regulation system.

Vehicle Fitment

  • 1997 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 1998 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 1999 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 2000 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 2001 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 2002 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 2003 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
  • 2004 BMW 5 Series 540i Touring w/ Air Suspension HA (E39)
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