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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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Rogue Engineering - Corporate Logo
T#:656138
Part#: RSMNONONO
Ships in 3 Business Days
$ 109.00 USD
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$ 109.00 USD
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Karbonius Composites - Corporate Logo
T#:28104800
Part#: E46SB01CF
Ships on Aug 5, 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 Composites - Corporate Logo
T#:28104795
Part#: E46SB01-CF-2-AS
Ships on Aug 6, 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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Rogue Engineering - Corporate Logo
T#:553830
Part#: RE.E9X.TA.M3
Ships in 9 Business Days
$ 289.00 USD
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$ 289.00 USD
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When an E9X is lowered beyond the limits of just lowering springs, the rear wheels toe-in excessively. This excessive rear toe leads to premature wear, that many people attribute to an increase in negative camber. It has become a common belief that an extremely low vehicle will wear the tires wrong as a matter of consequence. It has become standard practice to go as low as you can and proceed to replace your tires every five to ten thousand miles. Whats more is that when the vehicle reaches a certain ride height, the factory arms become maxed out and there is no way to compensate and dial in the proper toe. You're left with an improperly aligned vehicle that is in effect worse off than it was with the stock suspension installed.

This is not only uneconomical but improper and unsafe. ECS Tuning is proud to offer a solution for this problem in the form of Rogue Engineering E9X adjustable rear toe arms. These arms allow for greater toe adjustment on vehicles that have been lowered with a coilover suspension. With the toe set properly the tires can contact the road properly this maximizes grip and minimizes wear. 

Features:

  • 100% machined and anodized, 6061-T6 lightweight aluminum arms
  • High-strength, 3-piece, rod end (with carbon fiber reinforced, PTFE race) offers longer life for street compared to standard rod ends
  • SEALS-IT Rod end seals keep dirt, water, and other contaminants out
  • Rod ends feature grease fittings, to allow for rod end serviceability.
  • Lighter than stock!  (Stock is 875g, RE arms are 640g)
  • Extremely easy installation and adjustment (your alignment shop will LOVE you!)
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Rogue Engineering - Corporate Logo
T#:50837389
Part#: RE.RBE46
Ships in 10 Business Days
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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Rogue Engineering - Corporate Logo
T#:12643107
Part#: RE.899
Ships in 10 Business Days
$ 595.00 USD
Free Shipping on orders $49 and up
An integral part on E46 M3 is the rear chassis "V-Brace" (BMW # 33312229899) found on all 2001-06 Convertibles and Coupe (including the CSL). This brace attaches to the outward points of the rear chassis and to the area near the rear subframe carrier. Since some of these vehicles are now over 20 years old, we have been seeing more and more of these start to rust away. We began studying the OEM part, curious as to why they were starting to rust away. We found that the two arms of the "V" are made from 38mm x 12mm (1.5" x 0.5") hollow square steel tubing, pressed ends and welded to a junction plate joining them with welds holding the arms at a specific angle. Since the arms are hollow, it helps keep the overall weight down, but does little to prevent corrosion since it is difficult to paint/coat a hollow tube. A Google search turned up very little other than used ones on eBay and new ones that turned out to be in short supply from the BMW dealer (not surprising since the car is over 20 years old). Determined to make something better, we began our engineering and R&D process. Goals of our Design; Modular design, since packaging and shipping something this large would probably be too expensive Costs would dictate material and manufacturing methods Lighter weight would be a secondary (or tertiary) goal, but also keeping in mind costs Corrosion resistant, so it would not rust from the inside out, like the OEM version After weighing the material, manufacturing and cost options, we decided to go with a fully CNC'd ACQ 6061-T6 aluminum assembly. The concept is to machine two identical arms (one part number) and have them joined with a "junction plate". The arms would be secured to the plate with Grade 8.8 grade hardware and the entire assembly would include replacement Grade 10.9 hardware to replace the original OEM hardware (which is probably original). Details of our Design; CNC'd 6061-T6 construction, secured with Grade 8.8 socket head cap screws. Included are replacement Grade 10.9 hardware to fit in the factory locations. About 4 lbs. fully assembled weight (vs. 6.25 lbs for OEM), about a 35% weight savings Anodized gray finish Modular design allows for one arm to be removed in case of exhaust removal requirement. Included in the Kit Two (2) arms of the brace assembly (they are idential) One (1) junction plate One (1) red spacer (this goes BETWEEN the brace and the chassis!) Two (2) blue spacers (these goes BETWEEN the brace and the chassis!) Four (4), M10 socket head cap screws Three (3), M10 flanged hex head bolts It is recommended that the holes used to mount the V-brace onto the car be cleaned before installation by running an M10x1.5 tap to clean each of the holes.
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Rogue Engineering - Corporate Logo
T#:553834
Part#: RE.E9X.TA
Special Order: No Guaranteed ETA
$ 339.00 USD
Free Shipping
$ 339.00 USD
Free Shipping

Updated design!  Now shipping!

When an E9X is lowered beyond the limits of just lowering springs, the rear wheels toe-in excessively. This excessive rear toe leads to premature wear, that many people attribute to an increase in negative camber. It has become a common belief that an extremely low vehicle will wear the tires wrong as a matter of consequence. It has become standard practice to go as low as you can and proceed to replace your tires every five to ten thousand miles. Whats more is that when the vehicle reaches a certain ride height, the factory arms become maxed out and there is no way to compensate and dial in the proper toe. You're left with an improperly aligned vehicle that is in effect worse off than it was with the stock suspension installed.

This is not only uneconomical but improper and unsafe. ECS Tuning is proud to offer a solution for this problem in the form of Rogue Engineering E9X adjustable rear toe arms. These arms allow for greater toe adjustment on vehicles that have been lowered with a coilover suspension. With the toe set properly the tires can contact the road properly this maximizes grip and minimizes wear. 

Features:

100% machined and anodized, 6061-T6 lightweight aluminum arms (and collars).

Stainless hardware and spacers are perfect for the tough Northeast climate!

New!  Easy adjustment with 22mm open ended wrench and 5mm allen key!  It only requires 15 ft. lbs. on the clamp to secure the clamp!

New!  Included lock-out kit, replaces factory eccentric hardware.

Updated 3-piece rod ends features 4130 chromoly steel bodies, heat-treated, alloy steel races, and Teflon liners

Extremely easy installation and adjustment (your alignment shop will LOVE you!)

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Karbonius Composites - Corporate Logo
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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Rogue Engineering - Corporate Logo
T#:26438195
Part#: RE.345
Ships in 4 Business Days
$ 329.00 USD
Free Shipping
$ 329.00 USD
Free Shipping
The Rogue Engineering billet aluminum engine support braces are CNC'd from lightweight ACQ aluminum, specifically designed in Solidworks 3D. The sides of each brace are milled to reduce weight while look aesthetically pleasing. While each OEM steel brace weighs 688g, each of the Rogue Engineering support braces weigh only 380g. The total savings of 1.35 lbs! Sold as a pair, available in anodized black with RE logo laser engraved into the front part of the brace.
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Karbonius Composites - Corporate Logo
T#:26471475
Part#: G8XSB02-CF-AB
Ships in 4 Business Days
$ 3,115.00 USD
Free Shipping
$ 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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Rogue Engineering - Corporate Logo
T#:34885415
Part#: RE.ARCA.2.RE
Ships in 9 Business Days
$ 395.00 USD
Free Shipping on orders $49 and up
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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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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Rogue Engineering - Corporate Logo
T#:35829340
Part#: RE_E9X_CAMNO
Ships in 9 Business Days
$ 595.00 USD
Free Shipping on orders $49 and up

Rogue Engineering E82/E9X Adjustable Rear Camber Link Set V2.0 is the ultimate upgrade for BMW enthusiasts seeking enhanced handling, improved tire wear, and precise suspension tuning. This high-performance solution is engineered to fit BMW E82 1-Series and E9X 3-Series models, offering superior adjustability and durability over OEM components. Ideal for street and track use, this camber link set is crafted from premium materials to ensure strength and long-lasting performance.

Key Features:

These replace the wishbone and guide arm links in the factory suspension which have rubber bushings and limited adjustment. Enhanced suspension adjustability for optimized alignment Improves handling and reduces uneven tire wear Compatible with BMW E82 1-Series and E9X 3-Series models Constructed from high-strength materials for durability and reliability Perfect for both street performance and track applications Turner Motorsport proudly offers the Rogue Engineering E82/E9X Adjustable Rear Camber Link Set V2.0, providing BMW drivers with unmatched performance and precision.

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