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Rear Sway Bar

Interested in upgrading your BMW's rear sway bar? We carry a variety of rear sway bar options for your BMW. Check out our front sway bar section or front & rear if you're interested in a complete solution.

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Turner Motorsport- Upgraded Rear Sway Bar (21mm) - E46 Non M ...
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Turner Motorsport - Corporate Logo
T#:303251
Part#: E46-R21-SWAY
In Stock
Sale - Save 5% $ 328.99

This product was last offered at the strikethrough price on
11-07-2026

$ 312.54 USD
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Sale - Save 5%
$ 328.99

This product was last offered at the strikethrough price on
11-07-2026

$ 312.54 USD
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Steel Sway Bar Bracket - Single - E39 5-Series
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Offers superior strength vs the OE bracket!
Turner Motorsport - Corporate Logo
T#:1002335
Part#: 33552283159
Ships in 10 Business Days
Sale - Save 15% $ 49.99

This product was last offered at the strikethrough price on
11-07-2026

$ 42.49 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 49.99

This product was last offered at the strikethrough price on
11-07-2026

$ 42.49 USD
Free Shipping on orders $49 and up
The stock aluminum sway bar brackets in the E39 5-Series suffer from a serious design flaw that has resulted in many people experiencing snapping and misshapen brackets, a mounting tab that is simply too weak. Not only was the OE bracket not designed to handle the loads required, but the aluminum construction was also easily fatigued over time, making an already questionable bracket weaker over time. This sub-par construction eventually leads to the mounting tab breaking off, releasing all tension on the sway bar, causing sloppy handling feel and knocking noises in the rear of your BMW. Luckily for all of us, the fix is simple. By swapping the construction from aluminum to steel, while maintaining all of the original dimensions, these brackets offer 3 times the mounting strength versus the OE brackets! This ensures that no matter how many track days or spirited weekends of driving your BMW sees, you can rest easy knowing your rear sway bar is securely mounted. To top it all off, these brackets are also zinc-coated, keeping away rust and corrosion for years. Why go steel E39 brackets instead of using E38 brackets? Fitment. Although the E38 bracket is a commonly suggested upgrade, it does require a bit of modification to fit properly and usually results in a bit of bushing compression, making your sway bar difficult to install.
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Turner Oversized Rear Sway Bar - F2x/F3x
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Turner Motorsport - Corporate Logo
T#:555390
Part#: 024452TMS01
Ships on Jan 20, 2027
Sale - Save 30% $ 401.99

This product was last offered at the strikethrough price on
07-15-2026

$ 282.59 USD
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Sale - Save 30%
$ 401.99

This product was last offered at the strikethrough price on
07-15-2026

$ 282.59 USD
Free Shipping
Experience less body roll, massive improvements to the handling characteristics of your vehicle, and virtually no sacrifice in ride quality with this 22mm Adjustable Rear Sway Bar.

Steel Sway Bar Bracket Upgrade Kit - E39 5-Series
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Offers superior strength vs the OE bracket!
Turner Motorsport - Corporate Logo
T#:1002338
Part#: 33552283159SKT
Ships in 10 Business Days
Sale - Save 16% $ 109.99

This product was last offered at the strikethrough price on
11-07-2026

$ 92.82 USD
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Sale - Save 16%
$ 109.99

This product was last offered at the strikethrough price on
11-07-2026

$ 92.82 USD
Free Shipping
Includes both brackets and all new installation hardware. The stock aluminum sway bar brackets in the E39 5-Series suffer from a serious design flaw that has resulted in many people experiencing snapping and misshapen brackets, a mounting tab that is simply too weak. Not only was the OE bracket not designed to handle the loads required, but the aluminum construction was also easily fatigued over time, making an already questionable bracket weaker over time. This sub-par construction eventually leads to the mounting tab breaking off, releasing all tension on the sway bar, causing sloppy handling feel and knocking noises in the rear of your BMW. Luckily for all of us, the fix is simple. By swapping the construction from aluminum to steel, while maintaining all of the original dimensions, these brackets offer 3 times the mounting strength versus the OE brackets! This ensures that no matter how many track days or spirited weekends of driving your BMW sees, you can rest easy knowing your rear sway bar is securely mounted. To top it all off, these brackets are also zinc-coated, keeping away rust and corrosion for years. Why go steel E39 brackets instead of using E38 brackets? Fitment. Although the E38 bracket is a commonly suggested upgrade, it does require a bit of modification to fit properly and usually results in a bit of bushing compression, making your sway bar difficult to install.
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Turner E46 M3 25mm Rear Sway Bar Bushing (Each)
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Turner Motorsport - Corporate Logo
T#:390032
Part#: 53110037
Ships on Jan 20, 2027
Sale - Save 15% $ 71.99

This product was last offered at the strikethrough price on
11-07-2026

$ 61.19 USD
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Sale - Save 15%
$ 71.99

This product was last offered at the strikethrough price on
11-07-2026

$ 61.19 USD
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Replacement rear sway bar bushing for Turner E46 M3 25mm rear sway bar. This is one bushing (they are sold individually) and only fits on the Turner 25mm rear sway bar.
034Motorsports Sway Bar Teflon Bushing Rebuild & Upgrade Kit 22mm - E...
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034Motorsport - Corporate Logo
T#:37655970
Part#: 034-402-Z060
In Stock
$ 36.00 USD
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$ 36.00 USD
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These advanced polyurethane bushings are designed to be maintenance-free and feature a Teflon and polyester liner that enhances sway bar responsiveness while minimizing noise, vibration, and harshness (NVH). This liner not only improves performance but also extends the lifespan of the bushings, ensuring they can outlast your vehicle. With no need for additional lubrication, they provide reliable and long-lasting performance without the hassle of regular maintenance or greasing. Built to withstand extreme conditions, these bushings are hydrophobic, heat-resistant up to 500°F, and resistant to water and common automotive chemicals. They are backed by a limited lifetime warranty that covers issues such as material cracking, separation of the Teflon liner from the polyurethane bushing, or squeaking during normal street or track use. The 034Motorsport Sway Bar Teflon Bushing Rebuild & Upgrade Kit includes two Teflon-lined bushings and plugs to replace the existing Zerk fitting on your 034Motorsport Sway Bar Bracket. Greaseless, Maintenance Free, Teflon Lined Polyurethane Bushings Teflon and Polyester Composition Liner That Virtually Eliminates Noise, Vibration and Harshness (NVH). Improves Sway Bar Response Speed Extended Service Life No Additional Lubricant Needed, and Should Not Be Added Hydrophobic and Waterproof, Will Not Absorb Water or Be Affected In Even The Wettest Environments Is Not Chemically Reactive and Will Not Be Affected By Common Chemicals Present In The Automotive Environment Heat Resistant, Can Operate Continuously At Temperature Up to 500°F, Much Higher Than What Any Bushing Would See Limited Lifetime Warranty, Covering Manufacture Defects: Material Cracking Separation Of Teflon Liner and Polyurethane Bushing Squeaking Under Normal (Street/Track) Conditions.
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SpecE46 Turner Motorsport Sway Bar Set
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Turner Motorsport - Corporate Logo
T#:340451
Part#: SE46-SWAYBARS
In Stock
Sale - Save 3% $ 608.99

This product was last offered at the strikethrough price on
11-07-2026

Starting at $ 590.72 USD
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Sale - Save 3%
$ 608.99

This product was last offered at the strikethrough price on
11-07-2026

Starting at $ 590.72 USD
Free Shipping
We put together this special sway bar set for the SpecE46 racing class (SE46) and any other E46 that gets heavy track time. We use the 30mm M3 front bar combined with the 21mm E46 non-M rear bar. From our time racing the E46 in World Challenge, Grand-Am, and SCCA club racing we found that the E46 likes a stiffer sway bar and less spring rate. Taking the M3 front bar, which is solid, is exactly what we wanted. They are adjustable in the front (3-position) and the rear (2-position) to fine tune the handling. Bushings are included and new adjustable links are optional. These bars are crafted from a special spring steel that is both stronger and more resilient than competitive sway bars. They have been shot peened and heat treated, and feature precision forged ends.

Setup: The bars are adjustable so any driver can find an ideal setup for the type of driving they are doing. The sway bar becomes stiffer in the holes furthest from the end of the bar. The holes at the very end of the bar are the softest setting. We would generally recommend starting out with the front bar set to the stiffer setting and the rear bar positioned in the soft setting. Adjust to your liking from there. When using these in a non-SE46 setup (or other struts beside MCS) the strut housing may have to be rotated in the spindle so that the sway bar link lines up better with the sway bar tab on the strut.

Adjustable sway bar links are strongly advised to ensure that there is no pre-load on the bars. And to position the bar so that it has the correct clearance to other suspension components. Pre-load is when the bar is slightly stressed when it's on the car, from differing ride heights or from the chassis being slightly twisted. With the SE46 coil overs the adjustable links are a smart idea. If you have to force the links to fit the bar because it has tension then you have pre-load. Adjustable front or rear links can be added from the options listed below.

This item fits the following BMWs:
1999-2006 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
2001-2006 SpecE46 BMW 330i 330ci
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034Motorsport Dynamic+ Rear Sway Bar Kit - F3X F2X
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034Motorsport - Corporate Logo
T#:26771664
Part#: 034-402-1025
Ships in 2 Business Days
$ 328.00 USD
Free Shipping
$ 328.00 USD
Free Shipping

Looking to improve the handling characteristics of your BMW? The 034Motorsport Dynamic+ sway bar kit aims to do exactly that. These sway bars feature 3-way (front) and 2-way (rear) adjustability for infinite tailoring to suit your preferred stiffness. Constructed of high-grade spring steel, these bars are built with rigidity and durability in mind. Together, these front and rear sway bars provide reduced body roll, increased turn-in, reduced understeer, and enhanced steering feel.

2-way adjustability: Can be set to either 315% or 390% stiffer compared to 340i M-Sport sway bar Diameter: 22mm Material: Constructed from solid spring steel Finish: Black powder coat for corrosion resistance Reduces understeer and rear body roll Enhances turn-in rotation

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034Motorsport Dynamic+ Rear Sway Bar Kit - E9X
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
034Motorsport - Corporate Logo
T#:26771678
Part#: 034-402-1021
Ships in 2 Business Days
$ 393.00 USD
Free Shipping
$ 393.00 USD
Free Shipping

Looking to improve the handling characteristics of your BMW? The 034Motorsport Dynamic+ sway bar kit aims to do exactly that. These sway bars feature 3-way (front) and 2-way (rear) adjustability for infinite tailoring to suit your preferred stiffness. Constructed of high-grade spring steel, these bars are built with rigidity and durability in mind. Together, these front and rear sway bars provide reduced body roll, increased turn-in, reduced understeer, and enhanced steering feel.

Rear Sway Bar:

2-Way Adjustable Soft: 21% Increased Sway Bar Rate Over M3 Stiff: 35% Increased Sway Bar Rate Over M3 22mm Diameter One-Piece Design with Solid Spring Steel Construction Black Powder Coating for Durability and Stealthy Appearance Reduces Rear Body Roll Reduces Understeer Improves Turn-In Rotation when Cornering

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Turner Motorsport Rear 22mm Sway Bar Upgrade Kit - F30 RWD
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Turner Motorsport - Corporate Logo
T#:585235
Part#: 024452TMS05
Ships on Jan 20, 2027
Sale - Save 15% $ 529.99

This product was last offered at the strikethrough price on
11-07-2026

$ 450.49 USD
Free Shipping
Sale - Save 15%
$ 529.99

This product was last offered at the strikethrough price on
11-07-2026

$ 450.49 USD
Free Shipping
Reduce under-steer and body roll