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SKU: ASTLS-14-447
AST 09/1976-08/1986 BMW 7 Lowering Springs - 40mm/40mm
AST Lowering Springs deliver a 40mm drop front and rear for 09/1976-08/1986 BMW 7 Series E23 models, lowering the center of gravity to sharpen handling while retaining OEM comfort levels. These direct OEM replacements feature a progressive design tailored specifically for each BMW 7 variant. Crafted on Wafios machines from premium spring steel, they enhance performance across daily drives and spirited runs.
Key Features
- 40mm Front/Rear Drop: Lowers ride height evenly for better cornering stability and reduced body roll without sacrificing daily drivability
- Progressive Spring Rate: Provides linear response that maintains comfort on rough roads while firming up under load for track-ready control
- Vehicle-Specific Engineering: Developed exclusively for BMW 7 Series E23 chassis to ensure perfect fit and OEM-like ride quality post-install
- Premium Wafios-Coiled Steel: High-tensile chrome-silicon construction resists fatigue for long-lasting durability in all conditions
- Lifetime Warranty: Covers against breakage and sagging, backing every set for total confidence mile after mile
Product Notes
- Direct bolt-on replacement for factory springs with no modifications needed
- Retains compatibility with stock shocks or most aftermarket dampers
- Special order item, securely packaged to prevent damage in transit
Installation Notes
- Professional installation recommended.
- Requires standard spring compressor tool and alignment after install
- Fully compatible with OEM mounting hardware and locations
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1977-1980 | BMW | 728i | |
| 1977-1979 | BMW | 730i | |
| 1978-1984 | BMW | 733i | Base |
| 1978-1986 | BMW | 735i | |
| 1980-1982 | BMW | 732i | |
| 1980-1982 | BMW | 745i |
Why Choose AST?
- Proven across 3000+ vehicle models from 1966 to 2023 for reliable results
- Balances performance gains with everyday comfort in every design
- Advanced coiling technology ensures precise rates and consistent quality
Frequently Asked Questions
-
Q: Will these fit my 1982 BMW 735i?
A: Yes, compatible with all 1978-1986 BMW 735i models in the E23 chassis along with other listed variants -
Q: What material do these springs use?
A: High-tensile chrome-silicon steel coiled on Wafios machines for superior strength and corrosion resistance -
Q: What does the warranty cover?
A: Lifetime protection against spring breakage and sagging under normal use, no registration required
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: Special order - typically ships within 5-7 business days
- Packaging: Sturdy box measuring 20 x 8 x 8 inches
- Weight: 11 lbs
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