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- Differential and Gearing Upgrades
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This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
05-07-2026
Enhance rear-end control and put more power to the ground with a straightforward 3-piece design that installs with ease. The factory rubber may favor ride comfort, but it struggles to keep up when driving gets aggressive. As it wears, the OEM bushing can soften and deform, reducing stability and allowing wheel hop to creep in when you need traction most.
Our 95A durometer polyurethane bushings solve that problem. Engineered to strike the perfect balance between soft factory rubber and harsh solid mounts, they significantly reduce differential movement without introducing excessive vibration. The result is more efficient power transfer, so your torque goes straight to the rear wheels instead of being lost in drivetrain flex.
Features & Benefits:
Minimizes differential movement and instability to help eliminate wheel hop
Two-piece 95A split polyurethane design for easier installation
Precision-fit insert reinforces the bushing and strengthens mounting points
Resistant to road salt, oils, and harsh chemicals
Compatible with dual mount differential plates
Design:
Type II Anodized 6061-T6 CNC billet aluminum inserts for superior corrosion resistance and durability.
95A Polyurethane 2-Piece Isolator.
Product Development:
Our Rear Differential Bushings are designed, engineered, tested, and quality inspected by our Research & Development team. Our development process includes leading-edge product technology: FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Engineered to perform, Powerflex performance polyurethane differential bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Powerflex street bushings are ideal for street driven vehicles and those that see occasional autocross or track time. Need bushings for a dedicated track car? Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved steering feel, turn in, more responsive handling and overall improved chassis composure with Powerflex performance polyurethane control arm bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This product was last offered at the strikethrough price on
04-28-2026
This product was last offered at the strikethrough price on
04-28-2026
As your E30 ages, the rear differential bushing can crack, dry rot, and split. It's time for an upgrade. The ECS Tuning Heavy Duty Differential Bushing is crafted with performance in mind. Instead of using polyurethane, which is known for increasing NVH, the enthusiasts at ECS chose HD 70D rubber. This material offers a close-to-factory feel without the excess deflection of softer bushings, ensuring a pleasurable driving experience free from differential whine and excess movement.
Features & Benefits:
Eliminates Weak OEM Mount: The aging E30 chassis deserves an upgrade. Replace your old, cracked, and worn factory bushing with this HD alternative for improved performance. Perfect for Street or Track: Constructed from HD rubber instead of polyurethane or Delrin, this bushing provides comfort for daily driving while remaining effective in performance applications. Added Responsiveness: The 70D HD rubber compound is stiffer than the stock material, reducing drivetrain movement and effectively locking down your rear differential. Easy Installation: Precision-manufactured to the exact specifications of your OEM differential bushing, the ECS heavy-duty replacement installs just like the factory component. Whether you are replacing an aging factory bushing, removing excess driveline movement, or balancing performance and comfort, ECS Tuning has you covered with their Heavy Duty Rear Differential Bushing.
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
Convert your open differential to a locked differential without the costly expense of an LSD replacement.
Get your car ready for aggressive track driving or drifting without purchasing or replacing your differential. The weld-in plates strengthen your diff and allow both wheels to engage simultaneously giving you a more predictable and capable track car.
An open differential allows the wheels to spin at different speeds and sends power to the wheel with the least amount of traction. This may be a good feature for your regular everyday driver but limits you on the track. The weld-in plates simulate a driving experience similar to a limited-slip differential allowing you to put power to both wheels in a low traction area or initiate drifts.
Features and benefits:
Added strength to your differential gears
Converts from open differential
Fabricated to fit in the spider gears for an easier weld and increased confidence
Made from 7 gauge mild steel, formed to fit
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Powerflex street bushings are ideal for street driven vehicles and those that see occasional autocross or track time. Need bushings for a dedicated track car? Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved steering feel, turn in, more responsive handling and overall improved chassis composure with Powerflex performance polyurethane control arm bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
Ensure the longevity of your BMW's drivetrain with ECS Tuning's Magnetic Plugs. These plugs are meticulously engineered in-house to provide a perfect fit and feature a permanent magnet attached to the plug body. The magnet effectively attracts and captures tiny abrasive and ferrous metal particles, preventing their circulation through lubrication systems. Metal particles can accumulate due to various conditions such as normal wear, machining operations, casting flaws, and stress usage, leading to excessive wear of vital components. ECS Tuning's Magnetic Plugs help alleviate this concern by trapping these particles, thus safeguarding the internal components of your drivetrain. With a convenient 17mm hex head design, these plugs eliminate the need for special tools required for OEM plugs.
The Powerflex Rear Diff Front Mount Bushing for the BMW E46 3 Series and Z4 is a premium upgrade designed to enhance the stability and performance of the drivetrain. Here’s an alternative description:
High-Performance Polyurethane: Powerflex bushings are made from advanced polyurethane, which is significantly more durable than standard rubber. This material resists wear, deformation, and the effects of heat, oil, and contaminants, making it a long-lasting solution for high-performance applications.
Purpose: The rear differential front mount is subjected to high levels of stress during acceleration and cornering. Over time, the stock rubber bushing can degrade, causing excessive movement in the differential. The Powerflex bushing eliminates this movement, allowing for improved drivetrain control and reducing unwanted flex.
Key Features:
Benefits:
Fitment: This bushing is designed as a direct replacement for the front mount of the rear differential in BMW E46 3 Series and Z4 models. It installs easily, without requiring modifications, and offers an immediate improvement in drivetrain response.
In summary, the Powerflex Rear Diff Front Mount Bushing is an essential upgrade for BMW E46 and Z4 drivers who want to improve drivetrain rigidity, reduce flex, and enhance overall performance. This bushing provides a durable, long-lasting solution that’s perfect for both street and track use, delivering better power transfer and handling.
4o
Sway bars transmit cornering forces from the outside wheels to the inside wheels, helping to keep the vehicle flat during cornering. This, in turn, reduces body roll and improves the driver's cornering confidence. OEM rubber sway bar bushings are designed with comfort in mind, allowing the sway bar to articulate while permitting additional movement, leading to less-than-ideal bar retention and causes unnecessary body roll.
Powerflex polyurethane sway bar bushings are firmer than factory rubber bushings, reducing body roll and keeping sway bars in check. Polyurethane bushings won't slop around like OEM bushings, allowing sway bars to function at their fullest potential.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This part fits the following BMWs:
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
BMW E46 Z4 Rear Polyurethane Differential Bushing Performance is the ultimate upgrade for enhancing the connection between your BMW's chassis and differential. Designed by Turner Motorsport, this performance bushing replaces the soft factory rubber with durable polyurethane, offering superior control and response. By minimizing vibrations and reducing deflection, this bushing ensures a more direct and responsive driving experience, making it a must-have for any performance-oriented BMW E46 or Z4 owner.
BMW G8X Rear Diff Front Mounting Bushing (Street) is a high-performance upgrade designed to enhance the stability and control of the BMW G8X's rear differential. This bushing features a robust construction combining CNC-machined aluminum and high-quality polyurethane to provide superior drivetrain support and minimize deflection.
The Powerflex Heritage Rear Differential Mount for the BMW E46 M3, available through outlets like Turner Motorsport, is an ideal upgrade for enthusiasts seeking to enhance the performance and durability of their car's rear differential while preserving its classic appearance. The Heritage Series is tailored for those who prefer a more subtle aesthetic than the brightly colored bushings typical of Powerflex's standard line.
Key features:
Turner Motorsport often emphasizes the balance of performance and OEM-like comfort with these mounts, making them an excellent choice for those wanting to upgrade their rear differential mounting without detracting from the car's original feel.
The Powerflex Black Series Rear Diff Front Mount Insert for the BMW F22 (2 Series), F30 (3 Series), and F32 (4 Series) is a robust and high-performance bushing designed for motorsport and aggressive driving. It's part of Powerflex’s Black Series line, which prioritizes precision and control by using a stiffer polyurethane material to enhance the vehicle's dynamics.
Material and Hardness: Made from 95A durometer polyurethane, the Black Series is much firmer than standard bushings, designed specifically for track use. This stiff material drastically reduces unwanted movement in the differential mount.
Enhanced Driving Precision: By reducing flex in the front differential mount, this insert enhances throttle response, reduces wheel hop, and sharpens the overall feel of the drivetrain. This results in better power transfer and improved handling during aggressive acceleration, hard cornering, and rapid gear changes.
Durability: Unlike OEM rubber mounts, which can degrade over time due to exposure to heat, oil, and general wear and tear, Powerflex’s polyurethane inserts are built to withstand harsher conditions, offering greater longevity and reliability.
Simplified Installation: The insert is designed to fit into the existing OEM mount, making installation relatively straightforward without requiring complete replacement of the differential mount. This makes it an efficient and cost-effective performance upgrade.
Performance Trade-off: While the Black Series offers a significant performance boost, it can also slightly increase noise, vibration, and harshness (NVH) inside the cabin. This is a typical trade-off for stiffer, track-oriented mounts.
This insert is popular among BMW enthusiasts who want to upgrade their car’s handling for track days or spirited driving, making the rear-end of the car feel more planted and controlled.
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Engineered to perform, Powerflex performance polyurethane differential bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
For the BMW E60 (5 Series) and E63 (6 Series), upgrading to Powerflex rear differential rear bushings is an essential modification for enhancing the vehicle's performance, handling, and longevity. These bushings play a critical role in connecting the rear differential to the chassis, and their quality directly impacts the driving experience.
Premium Polyurethane Material: Powerflex bushings are crafted from high-grade polyurethane, offering superior durability and resistance to wear compared to stock rubber bushings. This material is less susceptible to degradation from heat, oil, and road grime, ensuring consistent performance over time.
Enhanced Differential Stability: Stiffer bushings help to reduce unwanted movement and flex in the rear differential, which is crucial for optimal power transfer to the rear wheels. This results in improved stability and better handling characteristics during acceleration and cornering.
Improved Handling Dynamics: By minimizing differential movement, Powerflex bushings maintain proper alignment and enhance the overall handling precision of the vehicle. This results in more responsive steering and improved cornering performance, providing a more engaging driving experience.
Reduced Noise, Vibration, and Harshness (NVH): While these bushings are firmer than the factory rubber components, they are designed to minimize NVH. This means you can enjoy improved performance without a significant increase in cabin noise or discomfort, making them suitable for both daily driving and spirited performance use.
Longevity and Reliability: Powerflex bushings are designed to withstand the rigors of performance driving without deteriorating over time. This durability translates to fewer replacements and reduced maintenance, making them a cost-effective upgrade in the long run.
Direct Fit Replacement: These bushings are engineered to directly replace the factory bushings without modification. This simplifies the installation process, though some technical knowledge and tools may be required to ensure proper fitment.
Professional Installation Recommended: Given the importance of the rear differential in the overall drivetrain, professional installation is advised. This ensures that the bushings are installed correctly and that the differential is properly aligned.
Performance Drivers: If you’re looking to enhance your BMW's handling and responsiveness, especially during spirited driving or track events, these bushings will provide a noticeable improvement in performance and stability.
Preventive Maintenance: Upgrading to Powerflex bushings is a proactive measure to ensure the longevity of your differential and related components. If you're noticing signs of wear or if your car is regularly subjected to high-performance conditions, these bushings are a worthwhile investment.
In conclusion, Powerflex rear differential rear bushings for the BMW E60 and E63 are a vital upgrade for enthusiasts seeking enhanced performance and durability. These bushings improve handling precision, increase stability, and contribute to a more engaging driving experience, making them an excellent choice for both everyday driving and high-performance applications.
4o
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers. *Door Buster Special - New Product*
The Powerflex Rear Diff Front Mount Bushing (Race) for BMW E34 5 Series and E32 7 Series is a premium upgrade designed for enhanced drivetrain stability and performance. Here’s another description:
Race-Grade Polyurethane: Part of Powerflex’s Race Series, this bushing is crafted from a super-stiff polyurethane compound, designed to eliminate the excessive movement found in factory rubber bushings. The Race Series is optimized for track and high-performance driving, where minimizing flex is crucial for precision handling.
Purpose: This bushing replaces the front mount of the rear differential, a critical point where unwanted flex can reduce performance. By stiffening this mount, the bushing ensures improved power transfer to the wheels and reduces drivetrain slop, making the car feel more connected and responsive.
Key Features:
Benefits:
Fitment: Tailored specifically for the BMW E34 (5 Series) and E32 (7 Series) models, this bushing replaces the front differential mount and offers a perfect fit, ensuring no compromises on installation or function.
In summary, the Powerflex Rear Diff Front Mount Bushing (Race Series) is an essential upgrade for BMW E34 and E32 owners looking for improved drivetrain rigidity, better handling, and longer-lasting components. Perfect for performance enthusiasts and track-goers, it enhances rear suspension control and reduces drivetrain movement for sharper, more precise driving experiences.
The Powerflex Rear Differential Front Bushings for the BMW E60 5-Series and E63 6-Series are specifically engineered to optimize the performance of the rear differential assembly. By replacing the factory rubber bushings with robust polyurethane, these bushings provide numerous benefits that enhance vehicle handling and stability.
Enhanced Power Delivery: The firmer polyurethane material reduces flex and movement in the differential mount, ensuring better alignment and stability. This improvement leads to more effective power transfer from the engine to the wheels, resulting in enhanced acceleration and performance.
Increased Longevity: Powerflex bushings are designed to withstand harsh driving conditions, resisting wear from heat, oil, and road debris. Unlike conventional rubber bushings, which can deteriorate over time, these polyurethane bushings maintain their performance over a longer period.
Improved Handling Dynamics: By minimizing unwanted movement in the rear differential, these bushings enhance the vehicle’s handling characteristics. Drivers will experience reduced body roll and increased traction, allowing for a more controlled and confident driving experience, especially in high-performance situations.
Superior Road Feel: The stiffer construction of these bushings enhances feedback to the driver, improving steering response and overall road feel. This connection allows for a more engaging driving experience, as drivers can better sense the vehicle’s dynamics.
Simple Installation: These bushings are specifically designed to fit the E60 and E63 models directly into the existing differential mounts. The installation process is straightforward, requiring no modifications, which makes it an accessible upgrade for DIY enthusiasts.
This upgrade is perfect for BMW E60 5-Series and E63 6-Series owners seeking to enhance their vehicle’s rear differential performance and overall handling capabilities. The Powerflex Rear Differential Front Bushings offer a reliable solution for improving the effectiveness of the rear suspension system, making them suitable for everyday driving as well as spirited performance applications.
Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.
By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components.
Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.
Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers.
This part fits the following BMWs:
2008 - 2013 E82 1 Series Coupe 128i 135i 135is 1M Coupe
2006 - 2008 E90 323i 325i 325xi 328i 328xi 330i 330xi 335i 335xi
2009 - 2012 E90 323i 323i 328i 328xi 335d 335i 335i xDrive 335xi
2006 - 2009 E91 325xi 328i 328xi
2009 - 2011 E91 328i 328xi
2007 - 2013 E92 328i 328xi 335i 335xi
2007 - 2013 E93 328i 335i
The Powerflex Rear Diff Bushing for BMW Z3, E30 3 Series, and 318Ti is a high-performance replacement for the factory rubber bushings in the rear differential. This upgrade is ideal for improving handling, power delivery, and drivetrain stability, especially on aging vehicles where the original bushings may have deteriorated.
Polyurethane Construction: Unlike the OEM rubber bushings, Powerflex bushings are made from durable polyurethane, which resists wear from exposure to heat, oil, and road debris. This increases the longevity of the bushing and ensures consistent performance over time.
Handling Improvements: The stiffer polyurethane material significantly reduces the flex and movement of the differential during acceleration, braking, and cornering. This helps improve the overall stability and precision of the vehicle’s rear-end, enhancing cornering performance and delivering better power transfer to the wheels.
Versions for Different Needs:
Direct Fitment: These bushings are designed as direct replacements for the stock bushings, making installation relatively straightforward. This is especially useful for older models like the E30 and Z3, where original bushings may have degraded or cracked, causing clunking noises and excessive differential movement.
Performance Gains: With reduced differential movement, drivers can expect sharper throttle response, improved traction under load, and better cornering dynamics, making it a perfect upgrade for those who want to refresh and enhance the performance of their BMW's rear suspension.
This Powerflex rear diff bushing upgrade is ideal for anyone looking to improve the handling characteristics of their BMW while adding durability and reliability to the drivetrain setup.
The Powerflex Rear Differential Rear Mount Bushings for the BMW E39 5 Series are designed to provide a significant upgrade to the vehicle's rear differential system by replacing the stock rubber bushings with high-performance polyurethane. This enhancement leads to improved handling, stability, and durability.
Enhanced Differential Control: The stiffer polyurethane material reduces unwanted movement and flex in the differential mount, ensuring better alignment and stability under load. This translates to improved power delivery and handling during cornering and acceleration.
Increased Longevity: These bushings are crafted to resist wear and degradation from oil, heat, and road debris, offering superior durability compared to traditional rubber bushings. This longevity ensures that the performance benefits are maintained over time.
Improved Driver Feedback: By minimizing movement in the rear differential, these bushings enhance the connection between the vehicle and the driver. This results in better feedback and control, allowing for a more engaging driving experience.
Direct Fit for Easy Installation: Designed specifically for the E39 5 Series, these bushings fit directly into the existing differential mounts, facilitating a hassle-free installation process without the need for modifications.
This upgrade is perfect for BMW E39 5 Series enthusiasts who want to improve their vehicle's handling and performance, making it suitable for both daily driving and spirited performance applications. The Powerflex Rear Differential Rear Mount Bushings provide a reliable solution to enhance the overall effectiveness of the rear suspension system.
Upgrade your BMW E46 with the Turner Motorsport Wavetrac Limited Slip Differential, featuring innovative design and superior materials for enhanced performance. This differential utilizes patented Wavetrac technology to automatically improve grip in low-traction conditions, setting it apart from traditional torque biasing differentials. Here are the key benefits:
For additional technical information, visit: http://www.wavetrac.net/technical.htm
Fits ratios 2.47 – 3.07.
The Powerflex Rear Diff Mount Bushing for the BMW E21 offers a robust solution to support and stabilize the differential, replacing the standard rubber bushings with durable polyurethane. This upgrade minimizes unwanted differential movement, enhancing driving dynamics and responsiveness.
These bushings are popular among E21 owners who want a durable, performance-oriented solution that balances comfort and handling precision. Ideal for both spirited driving and daily use.
The BMW F10/F07 Rear Diff Rear Mount Bushing by Powerflex is a specialized upgrade designed to replace the OEM rubber bushings in the rear differential mount. Here's a breakdown of its key features and benefits:
Durability and Longevity: Made from high-quality polyurethane, these bushings are significantly more resistant to wear compared to the stock rubber, which tends to degrade over time due to heat, oils, and mechanical stress.
Enhanced Performance: The stiffer material reduces flex in the rear differential, ensuring more precise power transfer to the wheels. This results in better acceleration response, reduced wheel hop, and improved handling characteristics, especially during aggressive driving.
Reduced Differential Movement: The stock bushings can allow excessive differential movement under load, leading to a less stable rear end. The Powerflex bushings minimize this movement, enhancing the overall driving dynamics.
Balanced Comfort and Performance: While polyurethane bushings are firmer than rubber, Powerflex designs their bushings to maintain a balance between performance and comfort. This means less increase in vibration, noise, and harshness (NVH) compared to other aftermarket bushings, making them suitable for both daily driving and performance applications.
Custom Fit for BMW F10/F07: Specifically engineered for the BMW 5 Series (F10) and BMW 5 Series GT (F07), these bushings offer a precise fit, ensuring easy installation and compatibility with factory components.
Overall, the Powerflex Rear Diff Rear Mount Bushing is a go-to upgrade for those looking to improve their BMW’s rear-end stability, responsiveness, and durability without sacrificing too much comfort.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.