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BMW Strut Braces & Stress Bars

BMWs need some added chassis strengthening in the front. You may notice some "chassis flex" when cornering or driving over a bumpy road. The reason for this is the incredible amount of force being applied to front strut towers. They have a tendency to flex when force is applied to them. Tying the strut towers together with a brace reduces the amount of flex and soldifies your car's chassis. Easy installation.

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Karbonius Composites - Corporate Logo
T#:28104795
Part#: E46SB01-CF-2-AS
Ships on Aug 7, 2026
$ 1,195.00 USD
Free Shipping
$ 1,195.00 USD
Free Shipping
Karbonius Composites has taken inspiration from BMW's performance strut bar to create their own strut bar. The result is an extremely strong but light brace, which adds not only strength and stability, but also a spectacular eye-catching look. Strut tower braces are very common and effective upgrades for a vehicle that allow for improved structural strength while preventing tower flex and alignment changes during spirited driving. This brace is constructed with carbon fiber and comes with a matte finish, natural aluminum color for the tower mounts, and a clear varnish with no logos underlaid. Includes titanium nuts for mounting. No other modifications needed to install. Estimated shipping time from order 3-5 weeks. Features: Perfect fitment and easy installation. 100% carbon fiber Exclusive and numbered piece 6 titanium nuts included. 2-year warranty
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Rogue Engineering - Corporate Logo
T#:50837389
Part#: RE.RBE46
Back Ordered
New Item
$ 379.00 USD
Free Shipping on orders $49 and up
$ 379.00 USD
Free Shipping on orders $49 and up
Reinforces the strut towers against deformation while adding valuable triangulation to the front end for sharper, more predictable handling. Designed to prevent “mushrooming” and other distortion caused by rough roads or stiff suspension setups, these plates help maintain consistent suspension geometry by reducing unwanted chassis flex. The result? A more stable, confidence-inspiring front end under load. Strut tower plates are engineered to sit perfectly flush against the towers. If they don’t, it’s a sign the towers have experienced some deformation. In minor cases, this can often be corrected using a block of wood and a hammer to carefully restore the mounting surface.
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Fall Line - Corporate Logo
T#:5498486
Part#: FLM-E46-RSTRUT
Ships in 4 Business Days
$ 300.00 USD
Free Shipping
$ 300.00 USD
Free Shipping
Rigidity and reinforcement are two vital components in chassis tuning. Competition tested for real-world benefit, the Fall-Line rear strut brace helps to minimize chassis flex and body roll under load, aspiring confidence through corners on the circuit and off.
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Bavarian Autosport - Corporate Logo
T#:578812
Part#: 010442
Special Order: No Guaranteed ETA
Sale - Save 3% $ 195.99

This product was last offered at the strikethrough price on
05-03-2026

$ 190.11 USD
Sale - Save 3%
$ 195.99

This product was last offered at the strikethrough price on
05-03-2026

$ 190.11 USD

Improve your BMW's handling! Bav's stress bar locks the top of your BMW's strut towers together to improve chassis stiffness and handling. The result is greater stability in hard cornering--a difference you can really feel, giving you greater confidence and control. Made of strong, lightweight aluminum, and it's manufactured in Germany.

From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Karbonius Composites - Corporate Logo
T#:28836370
Part#: G8XSBM22B
Ships in 4 Business Days
$ 1,646.99 USD
Free Shipping
$ 1,646.99 USD
Free Shipping

Experience the pinnacle of performance and style with our fully redesigned Carbon Fiber Strut Brace Bar. Meticulously crafted from 100% Prepreg carbon fiber using an autoclave tubular system, this brace bar sets a new standard in durability and engineering precision.

Featuring a striking 2x2 twill weave matte carbon fiber finish, complemented by black accents on the CNC mounting brackets, this front strut brace not only enhances your vehicle's appearance but also delivers unparalleled functionality.

Key Features:

Enhanced Rigidity: Exceptional chassis rigidity improves handling and responsiveness, enhancing your driving experience. Weight Reduction: Our design sheds 5.5 lbs of weight, boosting performance and agility on the road or track. Sporty Appearance: Elevate your car's aesthetic with a sleek, sporty look that perfectly complements its performance category. Integrated CNC Machined Aluminum: Reinforced with CNC machined 6061 aluminum components, anodized in a natural color, for added strength and a touch of style. Easy Installation: Quick and straightforward installation means you can enjoy the benefits of a sportier ride without any hassle or extensive downtime. Upgrade your driving dynamics and make a statement with our Carbon Fiber Strut Brace Bar, transforming your car into a true performance machine.

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Karbonius Composites - Corporate Logo
T#:29035354
Part#: G8XSB02CF2AS
Ships in 4 Business Days
$ 2,995.00 USD
Free Shipping
$ 2,995.00 USD
Free Shipping

Experience the pinnacle of performance and style with our fully redesigned Carbon Fiber Strut Brace Bar. Meticulously crafted from 100% Prepreg carbon fiber using an autoclave tubular system, this brace bar sets a new standard in durability and engineering precision.

Featuring a striking 2x2 twill weave matte carbon fiber finish, complemented by black accents on the CNC mounting brackets, this front strut brace not only enhances your vehicle's appearance but also delivers unparalleled functionality.

Key Features:

Enhanced Rigidity: Exceptional chassis rigidity improves handling and responsiveness, enhancing your driving experience. Weight Reduction: Our design sheds 5.5 lbs of weight, boosting performance and agility on the road or track. Sporty Appearance: Elevate your car's aesthetic with a sleek, sporty look that perfectly complements its performance category. Integrated CNC Machined Aluminum: Reinforced with CNC machined 6061 aluminum components, anodized in a natural color, for added strength and a touch of style. Easy Installation: Quick and straightforward installation means you can enjoy the benefits of a sportier ride without any hassle or extensive downtime. Upgrade your driving dynamics and make a statement with our Carbon Fiber Strut Brace Bar, transforming your car into a true performance machine.

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Bavarian Autosport - Corporate Logo
T#:578805
Part#: 010414
Special Order: No Guaranteed ETA
Sale - Save 20% $ 289.99

This product was last offered at the strikethrough price on
05-03-2026

$ 231.99 USD
Sale - Save 20%
$ 289.99

This product was last offered at the strikethrough price on
05-03-2026

$ 231.99 USD
Add stiffness and style to your E36.
Bavarian Autosport - Corporate Logo
T#:578804
Part#: 010412
Special Order: No Guaranteed ETA
Sale - Save 3% $ 297.99

This product was last offered at the strikethrough price on
05-03-2026

$ 289.05 USD
Sale - Save 3%
$ 297.99

This product was last offered at the strikethrough price on
05-03-2026

$ 289.05 USD
Add chassis stiffness and style to your E34.