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Karbonius Composites BMW Suspension Parts

Your BMW's handling is determined by the capabilities and age of your suspension components. Our selected aftermarket performance suspension like coilovers, lowering springs, cup kits, and dampers can improve the handling of your BMW dramatically. With those upgrades comes the needs for proper adjustment; our recommended supporting modifications comes stiffer sway bars, bushings, and adjustable camber/caster plates, to name a few found on this page. Completely build your suspension for the most competitive BMW driving experience, achieve your perfect look, or simply replace your worn suspension with our recommended parts.

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Karbonius E46 M3 / 3-Series Carbon Strut Brace - Gloss Carbon - Silve...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:28104795
Part#: E46SB01-CF-2-AS
Ships on Jul 21, 2026
$ 1,195.00 USD
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$ 1,195.00 USD
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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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Karbonius E46 M3 / 3-Series Carbon FIber Strut Brace
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:28104800
Part#: E46SB01CF
Ships on Jul 21, 2026
Starting at $ 1,195.00 USD
Free Shipping on orders $49 and up
Starting at $ 1,195.00 USD
Free Shipping on orders $49 and up
A strut tower bar is one of the most common and effective upgrades in a vehicle. With the installation of a strut brace, the body gets added structural strength, preventing tower flex and alignment changes during sporty driving or while at the race track. Improve your E46-Chassis BMW with the Karbonius Carbon Strut Brace! Karbonius Composites was inspired by the popular, but no longer available BMW Performance strut bar to create a version of their own. They have designed an extremely strong and lightweight brace that not only adds strength and stability, but also a spectacular eye-catching look. The carbon strut bar is manufactured in prepreg carbon fiber and cured in aluminum mold in an autoclave; while the strut tower caps are 5-axis CNC machined, and includes titanium strut tower nuts. Installation Instructions Product Details: Fits all E46 and M3 Offered in standard high gloss, 2x2 carbon weave Natural anodized aluminum strut tower caps 6 titanium nuts included Very light, only 1100g weight Perfect fitment and easy installation 100% carbon fiber prepreg Cured in aluminum mold and autoclave Controlled break zone Exclusive and numbered piece 2-year warranty NOTE: All pieces are numbered to guarantee authenticity and origin.
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Karbonius E36 M3 / 3-Series Carbon Strut Brace
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:28104803
Part#: E36SB01
Back Ordered
Starting at $ 839.00 USD
Free Shipping on orders $49 and up
Starting at $ 839.00 USD
Free Shipping on orders $49 and up
Strut tower bar is one of the most common and effective upgrades in a vehicle. With installation of strut bar bodywork gets structural strength, preventing tower flex and alignment changes during sporty driving. Improve your BMW with Karbonius strut bar and prepare for people staring! In Karbonius Composites, we have inspired in E46 BMW performance strut bar to create our own strut bar. We have designed a piece extremely strong but light at the same time, what adds not only strength and stability, but also a spectacular eye-catching look. A strut bar manufactured in prepreg carbon fiber and cured in aluminum mold in autoclave; CNC machined manufactured in 5-axis machine. Standard finish includes varnish high gloss and natural aluminum anodized. Product Details: Fits all E36 and M3 2x2 weave Very light, only 1150 grs weight Perfect fitment and easy installation 100% carbon fiber prepreg Cured in aluminum mold and autoclave Controlled break zone Exclusive and numbered piece 2-year warranty NOTE: All pieces are numbered to guarantee authenticity and origin.
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G8X M2 / M3 / M4 CSL Carbon Front Strut Brace
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:26471475
Part#: G8XSB02-CF-AB
Ships in 3 Business Days
$ 3,115.00 USD
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$ 3,115.00 USD
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M4 CSL brace has been designed to enhance the sportive character of M cars, at the same time as it brings the best rigidity to the chassis. Designed and manufactured in Spain under strict quality requirements according to UNE-EN ISO 9001:2015. This piece is made by hand with the best carbon fiber prepreg. This piece is manufactured by combining craft and technology. On the one hand, with the care and attention to detail that characterizes our company, and on the other, with the use of the most modern equipment in some critical points of the process, such as 3D scanning, autoclave curing, and robotic cutting. The G8X CSL strut brace has been manufactured with monobloc tubular technology, avoiding unnecessary joints that could result in weak points. Lamination has been carefully designed, and we include 3 different fabrics, all best quality, including high-modulus unidirectional carbon. 6061 aluminum machined components complete the piece providing great resistance to wear in the area of joint to the chassis. Not just to save weight, but to achieve the strength and rigidity necessary for a functional part with similar characteristics to the OEM part. The result? A piece with an OEM finish and fitment, but with an awesome appearance and only 1.8 kilos, which is a significant weight reduction compared to the original bar which is 3.5 kilos.
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Karbonius Carbon Fiber Front Strut Brace - Matte Twill - G8X M2 M3 M4...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:28836370
Part#: G8XSBM22B
Ships in 3 Business Days
$ 1,646.99 USD
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$ 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 Carbon Fiber Front Strut Brace - Gloss Twill - G8X M2 M3 M4...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:29035354
Part#: G8XSB02CF2AS
Ships in 3 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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