SKU: RD0105BMWE46M3 | UPC: 887753475213
Seibon 2001-2006 BMW E46 M3 Carbon Fiber Rear Diffuser
Transform the rear end of your 2001-2006 BMW E46 M3 with the Seibon Carbon RD0105BMWE46M3 rear diffuser. This direct-fit carbon fiber part replaces the factory unit to enhance downforce and stability at high speeds. Crafted for coupe and sedan models, it reduces weight while delivering aggressive styling that stands out on track or street.
Key Features
- Lightweight Construction: High carbon-to-resin ratio provides stiffness and strength at under 9 lbs, shedding pounds compared to OEM plastic for better handling.
- Aerodynamic Design: Engineered shape directs airflow to increase rear grip and reduce drag, trusted by race teams worldwide.
- Show-Ready Finish: Glossy clear coat over 3K 2×2 twill weave requires no painting and resists chipping for long-lasting appeal.
- Handcrafted Quality: Built by experts with 20+ years experience using consistent weave patterns for precise fit and durability.
- Direct Bolt-On: Matches E46 M3 mounting points for easy replacement without modifications.
Product Notes
- Inspect upon arrival for any shipping damage and report within 24 hours.
- Clean with mild soap and microfiber cloth to maintain glossy finish.
- Secure packaging protects against transit damage. large item requires freight options for some locations.
Installation Notes
- Professional installation recommended.
- Remove OEM diffuser by unbolting heat shields and clips. no cutting required.
- Uses factory hardware. optional aluminum brackets available for reinforced mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001 | BMW | M3 | Base |
| 2002 | BMW | M3 | Base |
| 2003 | BMW | M3 | Base |
| 2004 | BMW | M3 | Base |
| 2005 | BMW | M3 | Base |
| 2006 | BMW | M3 | Base |
Why Choose Seibon?
- Founded in 2003 by automotive enthusiasts for durable carbon fiber parts used in professional racing.
- Rigorous multi-step quality control ensures every piece meets high standards.
- In-house design team creates proprietary fits for BMW E46 M3 and other sport compacts.
Frequently Asked Questions
- Q: Does this fit 2006 E46 M3 coupe and sedan?
A: Yes, direct fit for all 2001-2006 BMW E46 M3 coupe and sedan models with no alterations needed. - Q: What carbon fiber weave and finish is used?
A: Professional 3K 2×2 twill weave with durable glossy clear coat that needs no additional painting. - Q: What warranty covers this diffuser?
A: Seibon offers a 1-year warranty against manufacturing defects when installed properly.
Shipping & Handling
- Method: UPS Freight or LTL for oversized items
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed, dimensions 48 x 18 x 10 inches
- Weight: 9 lbs product, 15 lbs shipping
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