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SKU: ISCB003-1-T
ISC Suspension N1 Coilovers 2000-2005 BMW 3 Series (E46) 320/323/325/328/330 - Track/Race
The ISC Suspension ISCB003-1-T N1 Coilovers are the best track and race-focused coilover kit for 2000-2005 BMW 3 Series (E46) 320/323/325/328/330 owners seeking aggressive drop, precise handling, and maximum adjustability. Featuring 32-level damping adjustment, pillowball mounts, monotube design, and high-performance springs, these coilovers deliver razor-sharp cornering, reduced body roll, and tunable ride height ideal for track days, autocross, canyon carving, or aggressive street builds on the E46 platform.
Key Features
- 32-Level Damping Adjustment: Independent rebound adjustment for precise tuning of ride firmness and handling
- Monotube Construction: Superior heat dissipation, fade resistance, and consistent performance under hard driving
- Pillowball Upper Mounts: Front camber plates included for adjustable camber and improved steering response
- Threaded Body Design: Full ride height adjustability without changing preload – drop from mild to slammed
- High-Performance Springs: Progressive-rate springs for balanced comfort and aggressive handling
- Track/Race Focused: Engineered for maximum grip, reduced body roll, and precise control on the track
Specifications
| Specification | Detail |
|---|---|
| Part Number | ISCB003-1-T |
| Compatibility | 2000-2005 BMW 3 Series E46 (320i, 323i, 325i, 328i, 330i – Sedan, Coupe, Convertible) |
| Front Spring Rate | Application-Specific (Track/Race Tune) |
| Rear Spring Rate | Application-Specific (Track/Race Tune) |
| Damping Adjustment | 32-Level Rebound |
| Upper Mount | Pillowball (Front Camber Plates Included) |
| Construction | Monotube |
| Finish | Black Powder Coat |
| Installation | Direct Bolt-On (No Modifications Required) |
| Country of Origin | United States |
| Warranty | Limited Lifetime (ISC Suspension) |
Product Notes
- Track/Race tune aggressive damping and spring rates optimized for circuit and autocross performance
- Full adjustable ride height drop from mild to slammed while maintaining proper geometry
- Pillowball front mounts with camber plates included ideal for alignment and handling optimization
Installation Notes
- Estimated time: 4-6 hours, advanced difficulty, professional installation strongly recommended
- Requires full suspension disassembly, spring compressor, and proper torque alignment essential after install
- Check for proper bump stop clearance and adjust damping to preference track setup recommended
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2000-2005 | BMW | 3 Series (E46) | 320i / 323i / 325i / 328i / 330i (Sedan, Coupe, Convertible) |
Why Choose ISC Suspension N1 Coilovers?
- 32-level damping and pillowball mounts deliver precise tuning for track and aggressive street use
- Monotube design with progressive springs provide superior handling and fade resistance
- Limited lifetime warranty and trusted quality perfect upgrade for E46 performance enthusiasts
Frequently Asked Questions
-
Q: Will these coilovers fit my 2003 BMW 325i Sedan?
A: Yes, ISC N1 ISCB003-1-T fits all 2000-2005 BMW E46 3 Series models (320/323/325/328/330). -
Q: Are camber plates included?
A: Yes, front pillowball mounts include adjustable camber plates for alignment optimization. -
Q: Is professional installation required?
A: Strongly recommended requires full suspension work, spring compressor, and alignment. -
Q: What drop range can I achieve?
A: Fully adjustable drop from mild to slammed while maintaining proper geometry and handling.
Shipping & Handling
- Method: UPS/FedEx Ground (Oversize)
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: Application-Specific (Heavy Package)
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