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SKU: ASTLS-14-336
AST 11/1982-12/1990 BMW 44929 Lowering Springs - 40mm/40mm
AST Lowering Springs drop your 1982-1990 BMW 3 Series E30 models by 40mm front and rear for improved handling. These direct OEM replacements fit 325 Base 325e 325es 325i 325is and 325iX precisely as vehicle-specific designs. Progressive springs lower the center of gravity while retaining familiar OEM comfort levels.
Key Features
- 40mm Front/Rear Drop: Reduces center of gravity for sharper cornering and stability without sacrificing daily drivability
- Progressive Spring Rate: Delivers smooth ride on streets and firm response during aggressive driving for balanced performance
- Premium Materials Wafios Coiling: High-tensile steel coiled on advanced Wafios machines ensures durability and consistent performance
- Vehicle-Specific Engineering: Developed exclusively for BMW E30 models guaranteeing bolt-on fit and OEM-like alignment
- Lifetime Warranty: Covered against breaking or sagging for long-term reliability on road or track
Product Notes
- Direct replacement for factory springs no modifications needed
- Pair with OEM or aftermarket shocks for full effect
- Special order item expect 3-5 business days processing
Installation Notes
- Professional installation recommended.
- Bolt-on process uses factory mounting points and hardware.
- Compatible with stock struts shocks and control arms.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1988 | BMW | 325 | Base |
| 1984-1987 | BMW | 325e | Base |
| 1986-1987 | BMW | 325es | Base |
| 1989-1990 | BMW | 325i | Base |
| 1987-1990 | BMW | 325is | Base |
| 1988-1990 | BMW | 325iX | Base |
Why Choose AST?
- Proven in racing and street applications across 3000+ vehicle models since 1966
- High-strength construction withstands daily abuse and track demands
- Precision engineering matches each chassis for flawless integration
Frequently Asked Questions
-
Q: What drop do these springs provide on BMW E30 325i?
A: Exactly 40mm front and 40mm rear for even stance and improved dynamics. -
Q: What materials are used in AST springs?
A: High-tensile steel formed on Wafios coiling machines for strength and longevity. -
Q: Does the lifetime warranty cover sagging?
A: Yes lifetime protection against manufacturing defects including breaking or permanent sagging.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: Special order ships within 3-5 business days
- Packaging: Secure box 20in x 10in x 8in
- Weight: 11 lbs
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