SKU: ASTLS-14-457 | UPC: astASTLS-14-457
AST 90-99 BMW 8-Series 840Ci (E31) Lowering Springs
AST Lowering Springs deliver a precise drop for 1990-1999 BMW 8-Series E31 models including 840Ci and 850Ci. These vehicle-specific springs replace OEM units to lower the center of gravity and sharpen handling response without sacrificing daily comfort. Crafted with progressive rates they enhance cornering stability and road feel on this grand tourer.
Key Features
- Progressive Spring Design: Balances drop height of 35mm front and 40mm rear with controlled rebound for improved grip and ride quality
- Premium Materials: High-tensile chrome-silicon steel coiled on Wafios machines for durability and corrosion resistance
- Vehicle-Specific Engineering: Tailored fitment ensures perfect match to E31 suspension geometry across 1990-1999 models
- Direct OEM Replacement: Bolt-on installation using factory mounts with no modifications required
- Lifetime Warranty: Guaranteed against breakage and sagging for long-term reliability
Product Notes
- Special order item allows 5-7 business day lead time from manufacturer
- Pair includes front and rear springs only top hats or perches not included
- Packages in protective sleeve inside cardboard box for safe transit
Installation Notes
- Professional installation recommended.
- Requires full alignment after install to restore proper camber and toe settings
- Compatible with OEM shock absorbers and perches no additional hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1994 | BMW | 8-Series | 850i |
| 1992-1996 | BMW | 8-Series | 850CSi |
| 1993-1997 | BMW | 8-Series | 850Ci |
| 1997-1999 | BMW | 8-Series | 840Ci |
Why Choose AST?
- Proven in motorsport with coilover expertise applied to street springs
- Over 3000 applications from 1966-2023 models demonstrate broad reliability
- Precision manufacturing on advanced Wafios equipment ensures consistent performance
Frequently Asked Questions
- Q: Will these fit my 1995 BMW 850Ci E31?
A: Yes fits all 1993-1997 BMW 850Ci models as direct OEM replacement with 35mm front 40mm rear drop - Q: What spring material and rate are used?
A: High-tensile chrome-silicon steel with progressive rates starting linear then increasing for comfort and control - Q: What does the lifetime warranty cover?
A: Protects against manufacturing defects including breakage and sagging under normal use contact AST for claims
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: Special order ships within 5-7 business days
- Packaging: Cardboard box 18 x 8 x 8 inches
- Weight: 22 lbs shipping weight
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