SKU: BM1 540 A | UPC: 4996338043443
Cusco Strut Tower Brace Front OS-Type BMW E46 3 Series 1998-2006
The Cusco Front Strut Tower Brace OS-Type reinforces the front chassis on BMW E46 3 Series models from 1998 to 2006 including sedans coupes convertibles and hatchbacks. This bolt-on brace ties the strut towers together to cut down flex during hard cornering for quicker steering response and flatter handling. Drivers notice tighter turn-in and more feedback from the suspension right away.
Key Features
- Oval Pipe Design: Provides high torsional rigidity with lightweight oval tubing that resists twisting better than round bars for stable front-end control
- SUS304 Stainless Steel Brackets: Corrosion-resistant mounts ensure long-lasting fit and secure connection to factory strut towers
- Pillow Ball Ends: Allow subtle suspension movement while maintaining precise alignment under load for natural feel without harshness
- Electroless Nickel Plating: Durable finish protects against rust and wear in harsh conditions for reliable performance over time
- Bolt-On Installation: Uses existing chassis points with included hardware no cutting or drilling required for easy setup
Product Notes
- Designed specifically for E46 chassis clears OEM components and aftermarket intakes
- Inspect mounting points for damage before install to ensure proper torque
- Package measures 47 x 8 x 4 inches weighs 4.4 lbs for efficient shipping
Installation Notes
- Professional installation recommended.
- Torque bolts to Cusco specs 25-30 Nm using thread locker
- Compatible with OEM shocks and most coilovers includes M8 hardware kit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2005 | BMW | 3 Series | 318i Sedan |
| 1999-2000 | BMW | 3 Series | 323i 323Ci Sedan Coupe |
| 1999-2005 | BMW | 3 Series | 325i 325Ci 325ti Sedan Coupe Hatch |
| 1999-2000 | BMW | 3 Series | 328i 328Ci Sedan Coupe |
| 2001-2005 | BMW | 3 Series | 330i 330Ci 330ti Sedan Coupe Hatch |
| 2001-2006 | BMW | 3 Series | M3 Coupe Convertible |
Why Choose Cusco?
- Race-proven in Japanese drift and time attack series for real-world durability
- Precision manufactured in Japan with strict tolerances for exact fit
- Balanced stiffness enhances daily driving and track performance alike
Frequently Asked Questions
-
Q: Will this fit my E46 M3 with coilovers?
A: Yes it clears Bilstein KW and OEM shocks uses factory mounts on all E46 chassis including M3 coupe and convertible -
Q: What material is the main bar?
A: High-tensile chromoly steel oval pipe with electroless nickel plating and stainless brackets for strength and rust protection -
Q: What is the warranty and install time?
A: Cusco offers 1-year defect warranty DIY install takes 30-60 minutes with basic tools professional shop 20 minutes
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure Cusco box 47 x 8 x 4 inches
- Weight: 4.4 lbs
Cusco
Cusco is a Japanese performance parts manufacturer with over 40 years of motorsports experience, producing coilovers, suspension braces, differentials, roll cages, and chassis reinforcement components for top sport compact and all-wheel-drive platforms. Cusco parts are built to motorsport tolerances and are used by professional race teams competing in Japanese domestic market racing series alongside street performance enthusiasts worldwide.Popular UpgradesCusco coilover kits, strut tower braces, and rear member braces are the most popular products for Subaru WRX and STI, Toyota 86 and GR86, Mazda Miata, Honda Civic, and Mitsubishi Evo platforms. Cusco limited-slip differentials and differential braces provide improved traction and reduced chassis flex for track and autocross builds on AWD platforms. Cusco adjustable control arms and camber kits allow precise alignment correction after lowering springs or coilovers are installed.What chassis bracing does Cusco make for the Subaru WRX...
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