Description
AST Lowering Springs for the 1975-1982 BMW 3 Series (E21) 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-14-330 |
| Product | AST Lowering Springs |
| Production Years | 1975-10/1982 |
| Model Years | 1975-1982 |
| Make | BMW |
| Model | 3 Series |
| Chassis | E21 |
| Approximate Drop – Front | 40mm |
| Approximate Drop – Rear | 40mm |
| TÜV Certified | Yes |
| Model Note | – |
| Note 1 | – |
Vehicle Fitment
- 1975 BMW 3 Series 315/316/318/320/323i (E21)
- 1976 BMW 3 Series 315/316/318/320/323i (E21)
- 1977 BMW 3 Series 315/316/318/320/323i (E21)
- 1978 BMW 3 Series 315/316/318/320/323i (E21)
- 1979 BMW 3 Series 315/316/318/320/323i (E21)
- 1980 BMW 3 Series 315/316/318/320/323i (E21)
- 1981 BMW 3 Series 315/316/318/320/323i (E21)
- 1982 BMW 3 Series 315/316/318/320/323i (E21)
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