SKU: ASTLS-14-430
AST 03/1997-05/2004 BMW 5 Lowering Springs – 35mm
AST lowering springs drop your BMW 5 Series E39 by 35mm for a lower center of gravity and sharper handling. Designed as direct OEM replacements for 1997-2004 BMW 5 Series models including 520i, 523i, 525i, 528i, 530i, 535i and 540i. Progressive rates maintain ride comfort with enhanced performance on street or track.
Key Features
- 35mm Drop: Lowers front and rear precisely by 35mm to improve stability and cornering without sacrificing daily drivability
- Progressive Spring Design: Variable rates provide smooth compliance over bumps yet firm control during aggressive driving
- Vehicle-Specific Engineering: Tailored for each E39 model ensuring perfect fitment and OEM-like ride quality
- Premium Materials and Construction: High-tensile steel coiled on Wafios machines for durability and corrosion resistance
- Lifetime Warranty: Guaranteed against sagging or breaking for long-term reliability
Product Notes
- Direct bolt-on replacement for factory springs with no additional modifications required
- Pair includes front and rear springs precisely matched for E39 chassis
- Special order item with typical lead time of 3-7 business days
Installation Notes
- Professional installation recommended.
- Requires standard spring compressor tool and alignment after install
- Compatible with factory struts and shocks, no new hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2003 | BMW | 520i | Base |
| 1997-2003 | BMW | 523i | Base |
| 1998-2004 | BMW | 525i | Base |
| 1998-2004 | BMW | 525td | Base |
| 1999-2003 | BMW | 528i | Base |
| 2000-2003 | BMW | 530i | Base |
| 1997-2003 | BMW | 535i | Base |
| 1999-2003 | BMW | 540i | Base |
Why Choose AST?
- Proven leader in high-performance suspension for BMW enthusiasts worldwide
- Manufactured to exacting standards with advanced coiling technology
- Backed by lifetime structural warranty on every set
Frequently Asked Questions
- Q: Will these fit my 1999-2003 BMW 540i Base?
A: Yes, ASTLS-14-430 is confirmed fit for 1999-2003 BMW 540i Base and all listed E39 models from 03/1997-05/2004 - Q: What material are the springs made from?
A: High-strength spring steel with anti-corrosion treatment for lasting performance in all conditions - Q: What does the lifetime warranty cover?
A: Full protection against manufacturing defects including sagging or breaking under normal use
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed pair, dimensions 17 x 7 x 7 inches
- Weight: 10.36 lbs
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