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ECS 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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E46 M3, Z4M Performance Polyurethane Differential Bushing Set ...
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T#:378193
Part#: 002447ECS03KT
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$ 148.49 USD
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Worn rubber differential mounts will lead to the differential twisting and shifting around in the rear subframe. Not only will this be noisy but it's bad for driver confidence and bad for the chassis as well. Even on fresh rubber bushings the differential has deflection and twist, especially if the car has been modified for more torque. Since the differential is centrally mounted in the rear subframe, with all suspension mounts interconnected, a differential with too much deflection will affect handling and could even damage the rear subframe.

These 88A urethane E46 M3 diff mounts are much stiffer than stock but still not as solid as our Turner aluminum/Delrin bushings. This set will resist twisting much better than the stock rubber mounts. Included is the front diff mount and two rear mounts in the cover.

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ECS Complete Performance Polyurethane Differential Bushing Set - 95A ...
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T#:589555
Part#: 026709ECS09
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Sale - Save 15% $ 183.99

This product was last offered at the strikethrough price on
06-14-2026

$ 156.39 USD
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This product was last offered at the strikethrough price on
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$ 156.39 USD
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Upgrade your worn OE rubber bushings with ECS Tuning's Performance Polyurethane Differential Bushing Set. In-House Engineered to improve power delivery and handling, with a superior service life over the soft factory rubber bushings.
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ECS Tuning Lowering Spring Set - E90 xDrive
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T#:20782254
Part#: 051056LA01
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Sale - Save 10% $ 285.99

This product was last offered at the strikethrough price on
06-14-2026

$ 257.39 USD
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This product was last offered at the strikethrough price on
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$ 257.39 USD
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Elevate your E90 xDrive with ECS Tuning Lowering Springs, engineered for unparalleled handling and sleek aesthetics. Designed for enthusiasts who demand the perfect blend of performance and comfort, these springs offer a lowered stance and enhanced driving dynamics.

Key Benefits:

Improved Handling: Experience superior cornering and steering feedback with a lower center of gravity, reducing body roll and enhancing road-holding capability. Sporty Aesthetics: Achieve a cleaner, more aggressive look by minimizing wheel gap, giving your E90 a "fitted" appearance. Comfortable Ride: Linear-style springs maintain an OEM+ ride quality, balancing sportiness with everyday drivability. Specifications:

Front Lowering: 1.0" - 1.2" Rear Lowering: 1.2" - 1.3" Front Spring Rate: 505 lbs/in Rear Spring Rate: 854 lbs/in Finish: High-quality flat black powder coat to prevent corrosion. Precision Engineering:

ECS Tuning Lowering Springs undergo rigorous development and testing. The ECS Research & Development team ensures each spring set meets the highest standards of precision and durability by subjecting springs to extensive long-term testing in diverse conditions.

Enhanced Performance:

Designed exclusively for the xDrive E90 chassis, these linear coil springs offer a balance between performance and comfort, with spring rates only slightly higher than factory settings. This makes them ideal for daily driving while providing the enhanced dynamics sought by performance enthusiasts.

Additional Upgrades:

Maximize your vehicle's potential by pairing your lowering springs with our flush kit or spacer set. This combination further eliminates unwanted wheel gap, perfecting your E90's stance. Explore our extensive selection of wheel spacers for the ultimate customization.

Transform your E90 xDrive with ECS Tuning Lowering Springs, and enjoy the perfect synergy of performance, comfort, and style.

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Billet Sway Bar End Link Brackets - Rear - E36
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T#:16009708
Part#: 008549LA01
In Stock
Sale - Save 15% $ 65.99

This product was last offered at the strikethrough price on
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$ 56.09 USD
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This product was last offered at the strikethrough price on
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Black anodized billet sway bar end links to replace your flimsy and corroded factory units. Removable hardware for a lifetime serviceable component!

Your factory end link brackets are a one piece design with an integrated stud made of flimsy metal with no coating to protect from the elements. Over the years the end link hardware rusts right to the integrated stud and when you go to remove the end links or brackets they are one strong turn and a snap away from needing to be replaced.

Not only did ECS come up with a stronger solution with a superior resistance to corrosion but went the extra mile to incorporate hardware that can be replaced time and time again so you will never need to replace the brackets themselves. The end link brackets feature chamfers and locator pins to fit perfectly in factory location and make for a straight forward install. The brackets featuring a slotted area for the bolt head to sit so you don't have the headache of having to get a wrench in the tight space behind the bracket while installing them.

Kit Contents:

A pair of rear end link brackets
Hardware needed for installation
Part Design:

Billet aluminum brackets
Zinc coated hardware
Superior corrosion resistance
Large upgrade from factory components

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ECS Polyurethane 95A Differential Bushing Set - F80 M3, F82, F83 M4 ...
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T#:589549
Part#: 26696ECS09
In Stock
Sale - Save 25% $ 437.99

This product was last offered at the strikethrough price on
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$ 328.49 USD
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Differential bushings are responsible for keeping your rear end planted during the delivery of power to the rear wheels. As these bushings age, they wear out and should be replaced. If you ever see your bushings are cracked, it is time to replace them. By eliminating the drivetrain deflection that factory rubber bushings permit, throttle response is improved, and the tendency for a car to “Wheel Hop” is significantly reduced. Upgrade to ECS Poly Diff Bushings and feel the difference!
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E46 non-M Performance Polyurethane Differential Bushing Set
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ECS - Corporate Logo
T#:378192
Part#: 002447ECS02KT
In Stock
Sale - Save 25% $ 183.99

This product was last offered at the strikethrough price on
06-13-2026

$ 137.99 USD
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Sale - Save 25%
$ 183.99

This product was last offered at the strikethrough price on
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$ 137.99 USD
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Worn rubber differential mounts will lead to the differential twisting and shifting around in the rear subframe. Not only will this be noisy but it's bad for driver confidence and bad for the chassis as well. Even on fresh rubber bushings the differential has deflection and twist, especially if the car has been modified for more torque. Since the differential is centrally mounted in the rear subframe, with all suspension mounts interconnected, a differential with too much deflection will affect handling and could even damage the rear subframe.

These 88A urethane E46 diff mounts are much stiffer than stock but still not as solid as our Turner aluminum/Delrin bushings. This set will resist twisting much better than the stock rubber mounts. Included are the two front diff mounts and the rear mount in the cover.

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ECS Rear Trailing Arm Bushing Limiter Set
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ECS - Corporate Logo
T#:362987
Part#: 003301ECS01AKT
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Sale - Save 5% $ 88.99

This product was last offered at the strikethrough price on
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$ 84.54 USD
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This product was last offered at the strikethrough price on
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$ 84.54 USD
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The E36/E46 rear trailing arm bushings (RTABs) wear out faster than any other bushing on the car. Worn RTAB will cause excessive toe alignment change and give a 'loose' or 'floaty' feeling in the rear handling. One of the reasons for this is that they over-extend during motion, stretching and twisting the rubber in all directions. These shims sit on either side of the bushing and limit the amount of extension from the bushing. Not only will you get more life from your RTAB but these will help stiffen the bushing during cornering. But during normal driving you will still have all of the comfort of the stock rubber bushings. These part about these bushings is how easy they are to install - simply slide them in place during your bushing install. They can be added to pre-installed bushings too by dropping the trailing arm and removing the cage around the bushing.

Works with stock rubber bushings only (not urethane or Delrin).

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ECS Wrinkle Black Aluminum Strut Bar Kit - Silver Logo - E36 ...
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T#:383295
Part#: 004495ECS03A
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Sale - Save 25% $ 278.99

This product was last offered at the strikethrough price on
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$ 209.24 USD
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The wrinkle black ECS strut tower bar kit offers more than just good looks - it also serves to protect strut towers from "mushrooming" or other deformation caused by rough roads or vehicles with stiff suspension, and helps to triangulate the front end, providing more consistent suspension geometry with less chassis flex.
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Performance Polyurethane Differential Bushing Set - E36
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ECS - Corporate Logo
T#:341288
Part#: 002447ECS01KT
In Stock
Sale - Save 25% $ 203.99

This product was last offered at the strikethrough price on
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$ 152.99 USD
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Urethane mounts keep the differential from twisting under load. As torque is put through the driveline it causes anything to twist and move. The differential is mounted to the subframe and the twisting and deflection can be transferred to the rest of the chassis. With a stiffer mount the differential will not deflect as much. This improves seat-of-the-pants feeling to the driver, giving more feedback for smoother power delivery. In theory, there's also more torque being sent to the drive wheels since it's not being used up shifting the diff weight around.

These are tough 88A durometer urethane bushings with a anodized almunum center sleeve, engineered by ECS. This is a set of E36 diff bushings - 1 for the front and 2 for the rear cover. New high-grade hardware is included (the front bolt has a tendency to snap from all that torque twisting!).

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ECS Tuning Heavy Duty Front Strut Mount - MINI R50 R52 R53
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T#:30662816
Part#: 003893LA01
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Sale - Save 25% $ 77.99

This product was last offered at the strikethrough price on
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$ 58.49 USD
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Sale - Save 25%
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This product was last offered at the strikethrough price on
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$ 58.49 USD
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Due to their soft rubber construction, OE strut mounts are known to wear at an accelerated rate. Many high-mileage vehicles fall victim to strut mount failure, which is commonly associated with annoying clunks, groans, or rattles from the front suspension.

With this issue in mind, ECS Tuning developed their heavy-duty front strut mount with upgraded, higher durometer rubber to resolve sloppy handling and increase longevity. Manufactured precisely within OEM tolerances, these mounts are a perfect fit for your MINI.

Features:

Reduces deflection: Increases vehicle handling and cornering dynamics by removing deflection within the strut mount. Increases longevity: Upgraded rubber construction makes for a stiffer mount, less prone to cracking and general degradation. Developed in-house: Designed and tested by ECS Tuning engineers, this mount is sure to outlast an OE replacement. Upgrade to a better strut mount without sacrificing ride comfort! Improve longevity and ride control all at once.

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Performance Polyurethane 95A Differential Bushing Set - E6x M (Full K...
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T#:638460
Part#: 026809ECS10KT
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Sale - Save 3% $ 182.99

This product was last offered at the strikethrough price on
06-14-2026

$ 177.50 USD
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This product was last offered at the strikethrough price on
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$ 177.50 USD
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Differential bushings are responsible for keeping your rear end planted during the delivery of power to the rear wheels. As these bushings age, they wear out and should be replaced. If you ever see your bushings are cracked, it is time to replace them. By eliminating the drivetrain deflection that factory rubber bushings permit, throttle response is improved, and the tendency for a car to “Wheel Hop” is significantly reduced. Upgrade to ECS Poly Diff Bushings and feel the difference!
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ECS Performance Rear Sway Bar - 15mm - E9X E82/88 Non-M
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T#:363189
Part#: 007278ECS02A
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Sale - Save 15% $ 244.99

This product was last offered at the strikethrough price on
06-13-2026

$ 208.24 USD
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Sale - Save 15%
$ 244.99

This product was last offered at the strikethrough price on
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$ 208.24 USD
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Looking to improve your car's handling in the corners? ECS Tuning's rear non-adjustable sway bar is a cost-effective way to limit body roll and keep your wheels planted when entering a corner at higher speeds. Sway bars are a great way to improve handling without sacrificing ride quality or reliability! Sway bars are typically sold as a front and rear set to balance the handling. But a rear sway bar only can also have excellent benefits, especially on a street car. Going with a larger rear bar will improve steering and handling even at low-moderate speeds. ECS has specified a 15mm sway bar that has been fine-tuned for use on the E9X and E82 models. Urethane bushings with a reinforced inner core that requires no lubrication are included.
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