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AST AST 1975-10/1982 BMW 3 Lowering Springs - 40mm/40mm
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AST 1975-10/1982 BMW 3 Lowering Springs - 40mm/40mm

AST
ASTASTLS-14-330
ASTLS-14-330
Lowering Springs
1 Units In Stock - Ships Next Business Day
$ 398.70 $ 358.83
$ 358.83

SKU: ASTLS-14-330

AST 1975-10/1982 BMW 3 Lowering Springs - 40mm/40mm

AST Lowering Springs deliver a 40mm drop front and rear for 1975-1982 BMW 3 Series E21 chassis lowering the center of gravity for sharper handling while retaining OEM ride comfort. These direct OEM replacements feature vehicle-specific engineering for seamless fitment on models including 320i. Progressive spring design and premium construction ensure durability on street or track.

Key Features

  • 40mm Front/Rear Drop: Lowers ride height precisely for improved cornering stability and aesthetics without sacrificing daily drivability
  • Progressive Spring Rate: Provides linear response that absorbs bumps smoothly while firming up under load for enhanced performance
  • Wafios Coiling Technology: Precision-wound from high-tensile spring steel for consistent rates and long-term resistance to sagging
  • Vehicle-Specific Design: Tailored rates and dimensions match each BMW E21 variant ensuring bolt-on installation and balanced stance
  • Lifetime Warranty: Covers breakage for complete confidence in reliability over years of use

Product Notes

  • Inspect OEM struts for wear before installation to pair with new springs effectively
  • Clean mounting surfaces thoroughly for secure seating and optimal performance
  • Packaged as pair in protective sleeves to prevent shipping damage

Installation Notes

  • Professional installation recommended.
  • Use spring compressor tool to safely remove OEM springs
  • Directly compatible with factory struts shocks and control arms no additional hardware needed

This Part Fits

Year Make Model Submodel
1980-1982 BMW 320i Base
1977-1979 BMW 320i
1976 BMW 320i
1975-1976 BMW 3 Series E21
1981-1982 BMW 323i

Why Choose AST?

  • Proven in motorsports and street applications by BMW enthusiasts worldwide
  • Focuses on balanced suspension solutions for performance and comfort
  • Advanced manufacturing delivers exact tolerances for E21 chassis demands

Frequently Asked Questions

  • Q: Will these fit my 1981 BMW 320i E21?
    A: Yes fits all 1975-1982 BMW 3 Series E21 chassis including 320i models with 40mm drop front rear for perfect stance
  • Q: What material and construction do these use?
    A: High-tensile steel coiled on Wafios machines with progressive rates for durability and responsive handling
  • Q: What does the warranty cover?
    A: Lifetime protection against spring breakage when installed and used properly on compatible vehicles

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Pair in 18 x 7 x 7 inch box with protective sleeves
  • Weight: 11 lbs

Request For Information

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