BMW Suspension Parts for BMW Z Series E85/6 (2003-2008)

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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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Powerflex - Corporate Logo
T#:362735
Part#: PFR5-4621
In Stock
$ 42.99 USD
Free Shipping on orders $49 and up

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. 

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Powerflex - Corporate Logo
T#:34114217
Part#: PFR5-3608H
In Stock
$ 101.99 USD
Free Shipping on orders $49 and up

The BMW E46 / E36 / Z4 / X3 Rear Trailing Arm Front Bushing by Powerflex is a precision-engineered suspension upgrade designed to improve the handling and durability of several popular BMW models. This bushing replaces the factory rubber bushing located at the front of the rear trailing arm with a high-performance polyurethane version.

Product Features:

  1. Polyurethane Construction: Unlike standard rubber bushings, Powerflex bushings are made from durable polyurethane, a material known for its superior resistance to wear, heat, and degradation from oils and contaminants. This leads to a longer lifespan and more consistent performance over time.

  2. Stiffness for Enhanced Control: The polyurethane bushings provide increased stiffness, reducing unwanted flex and movement in the rear trailing arms. This helps to maintain better control of the rear wheel alignment, resulting in more stable and predictable handling, especially during cornering, acceleration, and braking.

  3. Reduced Deflection: By reducing the deflection of the rear trailing arms, these bushings help to improve traction and rear suspension geometry. This makes the car feel more planted and responsive, reducing wheel hop and improving grip under load.

  4. Direct Replacement: The Powerflex bushings are designed as a direct replacement for the factory-installed rubber bushings, meaning they will fit perfectly into the existing suspension setup without requiring modifications. This makes installation straightforward while significantly enhancing the suspension’s performance.

  5. Longevity & Resistance: Polyurethane bushings are highly resistant to common automotive contaminants such as road debris, oil, water, and heat. This makes them a more reliable choice for drivers looking for a long-term solution to suspension wear and tear.

Compatible Models:

  • BMW E46 (3 Series, 1999-2006)
  • BMW E36 (3 Series, 1991-1999)
  • BMW Z4 (E85/E86, 2003-2008)
  • BMW X3 (E83, 2003-2010)

Advantages:

  • Improved Rear-End Stability: Provides more precise alignment and control of the rear suspension, resulting in sharper handling.
  • Durable & Long-Lasting: Outperforms rubber bushings in terms of longevity and wear resistance.
  • Enhanced Ride Quality: Reduces unwanted suspension movement, improving driving dynamics and cornering performance.
  • Easy Fitment: A direct replacement for stock bushings, with no special modifications required.

For drivers seeking a more connected and performance-focused feel from their BMW, the Powerflex Rear Trailing Arm Front Bushing is a significant upgrade over stock rubber bushings, delivering improved handling, reduced wear, and enhanced driving enjoyment.

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Powerflex - Corporate Logo
T#:34214781
Part#: PFR5-5630-10H
Ships in 2 Business Days
$ 137.99 USD
Free Shipping on orders $49 and up

The Powerflex BMW E30 / E36 / E46 / Z3 / Z4 Rear Shock Mount – 10 mm is an advanced suspension upgrade designed to improve the rear shock performance in a wide range of BMW models. By replacing the factory rubber mounts with polyurethane, this mount ensures a more durable and performance-oriented suspension setup.

Key Features:

  • Multi-Model Compatibility: Specifically designed for BMW E30, E36, E46, Z3, and Z4 models, this 10 mm rear shock mount is a perfect fit for vehicles with rear shocks that feature a 10 mm rod diameter. It offers seamless integration and performance enhancement across these BMW platforms.
  • Polyurethane Construction for Enhanced Durability: Unlike OEM rubber mounts, which are prone to wear and degradation over time, these mounts are crafted from tough polyurethane. This material provides greater resistance to wear, oil, road contaminants, and high temperatures, ensuring a longer-lasting component that maintains its structural integrity.
  • Superior Handling and Control: The stiffer polyurethane reduces the flex and movement that can occur with rubber mounts, providing more direct shock performance. This results in better handling, improved suspension response, and increased stability, particularly during aggressive driving or when cornering.
  • Comfortable Ride Quality: Despite its firmer characteristics, the polyurethane shock mount is designed to absorb road vibrations and noise, ensuring that while your handling improves, you don’t sacrifice the comfort BMWs are known for. It balances performance and comfort, making it suitable for both daily driving and spirited driving.
  • Quick and Easy Installation: Designed as a direct replacement for the stock rear shock mounts, this bushing allows for a straightforward installation process. No additional modifications are required, making it a simple yet effective upgrade for your BMW’s suspension.

This Rear Shock Mount – 10 mm is an ideal upgrade for BMW E30, E36, E46, Z3, and Z4 owners who want to improve their vehicle’s handling performance and suspension durability. The combination of enhanced strength and control with ride comfort makes it an excellent choice for both everyday use and more performance-driven situations, offering a long-lasting solution to rear shock mounting issues.

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Powerflex Black Series - Corporate Logo
T#:362719
Part#: PFR5-4621B
Back Ordered
$ 42.99 USD
Free Shipping on orders $49 and up

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:
2001 - 2006 E46 M3

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Powerflex - Corporate Logo
T#:34549555
Part#: PFR5-4616H
Ships in 2 Business Days
$ 119.99 USD
Free Shipping on orders $49 and up

The Powerflex Rear Lower Control Arm Inner Bushing for BMW E36 and E46 3 Series, Z4, and X3 is designed to provide a significant upgrade over the factory rubber bushings. By using high-performance polyurethane, these bushings enhance the stability, responsiveness, and overall performance of the rear suspension system.

Key Benefits:

  1. Enhanced Handling Performance: The stiffer polyurethane material reduces flex and improves the rigidity of the rear control arm, resulting in better handling and stability during cornering and aggressive driving maneuvers.
  2. Durability and Longevity: Unlike standard rubber bushings, these polyurethane bushings are engineered to withstand wear from road debris, oil, and temperature fluctuations, ensuring they maintain performance over time.
  3. Improved Steering Feedback: With reduced movement and play in the rear suspension, these bushings provide a more direct connection to the road, enhancing steering responsiveness and driver control.
  4. Precision Fitment: Specifically designed for BMW E36 and E46 3 Series, Z4, and X3 models, these bushings ensure an accurate fit and easy installation, making them a straightforward upgrade for enthusiasts.

These bushings are ideal for BMW owners looking to improve the handling dynamics and durability of their vehicle’s rear suspension, suitable for both daily driving and performance-oriented applications.

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Powerflex - Corporate Logo
T#:378988
Part#: PFR5-4626
In Stock
$ 56.99 USD
Free Shipping on orders $49 and up

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. 

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Powerflex - Corporate Logo
T#:34549556
Part#: PFR5-4617H
In Stock
$ 80.99 USD
Free Shipping on orders $49 and up

The Powerflex Rear Upper Arm Inner Bushing for BMW E36 and E46 3 Series, Z4, and X3 is designed to significantly enhance the performance and reliability of the rear suspension. By replacing the factory rubber bushings with high-quality polyurethane, this upgrade offers a range of benefits for driving enthusiasts.

Key Advantages:

  1. Improved Handling and Control: The firmer polyurethane material reduces flex in the upper control arm, resulting in enhanced stability and cornering performance. This leads to a more predictable and confident driving experience.
  2. Long-Lasting Durability: Engineered to resist wear from environmental factors such as heat, oil, and road debris, these bushings offer superior longevity compared to traditional rubber options, maintaining performance over time.
  3. Enhanced Steering Feedback: The increased rigidity of the bushing allows for better communication between the vehicle and driver, improving steering response and providing a more connected feel on the road.
  4. Direct Fit for Easy Installation: Specifically designed for the E36 and E46 3 Series, Z4, and X3 models, these bushings ensure an accurate fit, making installation straightforward without requiring modifications.

Ideal for BMW owners looking to upgrade their suspension system, these bushings provide a perfect blend of performance, durability, and responsiveness, making them suitable for both daily driving and high-performance applications.

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Powerflex - Corporate Logo
T#:22163409
Part#: PFF5K-4601
Ships in 2 Business Days
$ 187.99 USD
Free Shipping on orders $49 and up

Front Control Arm Rear Bushings With Brackets BMW E46 Z4 provide a significant upgrade for BMW E46 and Z4 E85 & E86 owners seeking enhanced performance and handling. Designed by Turner Motorsport, these high-quality bushings optimize control and road-handling capabilities to elevate your driving experience.

  • Improved Handling and Stability: Enhances the already impressive handling of BMW E46 and Z4 models by reducing sway and body roll during cornering, ensuring stability and responsiveness in tight turns.
  • Enhanced Cornering Performance: Increases rigidity for more precise and controlled cornering, providing better grip and control whether on winding roads or racetracks.
  • Mitigation of Understeer: Addresses understeer by redistributing load more evenly between front and rear tires, improving balance and control.
  • Durability and Longevity: Constructed from high-quality materials for extended service life, these bushings endure daily driving and spirited performance while reducing wear on suspension components.
  • OE / OEM Cross Reference Numbers: 31126757623
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Powerflex Black Series - Corporate Logo
T#:376516
Part#: PFR5-504-19BX2
Ships in 2 Business Days
$ 63.99 USD
Free Shipping on orders $49 and up
$ 63.99 USD
Free Shipping on orders $49 and up

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:

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Powerflex Black Series - Corporate Logo
T#:376530
Part#: PFR5-504-18BX2
Ships in 2 Business Days
$ 63.99 USD
Free Shipping on orders $49 and up
$ 63.99 USD
Free Shipping on orders $49 and up

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:
1992-1999 E36 318i 318is 318ti 320i 323i 325i 325is 328i 328is M3
1999 - 2001 E46 Convertible 323ci 325ci 330ci
2002-2006 E46 Convertible 325ci 330ci
1998 - 2001 E46 323ci 325ci 330ci M3
2002 - 2006 E46 325ci 330ci
1998 - 2001 E46 Touring 323i 325i
2002 - 2006 E46 Touring 325i 325xi
1998 - 2001 E46 Sedan 320i 323i 325i 328i 330i
2002 - 2006 E46 Sedan 320i 325i 325xi 330i 330xi​
2006 - 2008 E86 Z4 3.0si Z4 M Coupe
2002 - 2008 E85 Z4 Roadster Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster

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Powerflex Black Series - Corporate Logo
T#:22163408
Part#: PFF5K-4601BLK
Ships in 2 Business Days
$ 206.99 USD
Free Shipping on orders $49 and up
For BMW E46 and Z4 E85 & E86 owners looking to enhance the performance and handling of their vehicles, the Powerflex Black Series Front Control Arm - Rear Bushings with Brackets offer a valuable suspension upgrade. In this article, we'll explore the numerous advantages of integrating these high-quality bushings into your BMW, designed to optimize control and road-handling capabilities, ultimately taking your driving experience to the next level. Improved Handling and Stability: The BMW E46 and Z4 E85 & E86 models are already known for their impressive handling, and the Powerflex Front Control Arm - Rear Bushings with Brackets are engineered to enhance this feature. These bushings reduce sway and body roll during cornering, ensuring your vehicle remains stable and responsive, even when navigating tight turns and corners. This results in a more confident and enjoyable driving experience. Enhanced Cornering Performance: One of the primary benefits of these control arm bushings is their ability to optimize your vehicle's cornering performance. The Powerflex design provides increased rigidity, allowing for more precise and controlled cornering. Whether you're tackling winding mountain roads or maneuvering on a racetrack, you'll appreciate the improved grip and control these bushings provide. Mitigation of Understeer: Understeer, a common issue in many vehicles, occurs when the front tires lose grip during a turn. Upgrading to Powerflex Front Control Arm - Rear Bushings with Brackets helps address this issue by redistributing the load more evenly between the front and rear tires. This results in better balance and control, ensuring your BMW responds precisely to your commands in any situation. Durability and Longevity: These control arm bushings are constructed using high-quality materials, ensuring durability and a longer service life. They are engineered to withstand the rigors of daily driving and spirited performance, reducing wear and tear on your suspension components and extending the lifespan of your BMW's control arm system and related parts. OE / OEM Cross Reference Numbers: 31126757623
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Powerflex Black Series - Corporate Logo
T#:362738
Part#: PFR5-4609-21.5B2
Ships in 2 Business Days
$ 57.99 USD
Free Shipping on orders $49 and up

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. 

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Powerflex - Corporate Logo
T#:34214775
Part#: PFR5-4613H
Ships in 2 Business Days
$ 85.99 USD
Free Shipping on orders $49 and up
 

The Powerflex BMW E46 3 Series / E46 M3 / X3 / Z4 Rear Subframe Rear Bushing Inserts are engineered to provide a significant performance enhancement to the rear suspension of select BMW models, including the E46 3 Series, E46 M3, X3, and Z4. These inserts work in conjunction with the existing rear subframe bushings to deliver improved handling and stability.

Key Features:

  • Easy Installation: Designed to fit directly into the factory rear subframe bushings, these inserts make it simple to upgrade your suspension without needing to replace the entire bushing assembly. This saves time and effort during installation.
  • Enhanced Suspension Performance: Constructed from high-quality polyurethane, the inserts significantly reduce flex and unwanted movement in the rear subframe. This leads to improved suspension alignment, sharper cornering response, and overall better vehicle control, enhancing the driving experience.
  • Durable Construction: The polyurethane material used in these inserts is resistant to wear, heat, and environmental factors, ensuring they maintain their performance over time. This durability makes them suitable for various driving conditions, from daily commutes to spirited track sessions.
  • Comfort Retention: While providing increased stiffness for better handling, the inserts are designed to keep ride comfort intact. This makes them an excellent choice for those who want a more connected driving experience without compromising the smoothness expected from a BMW.

The Rear Subframe Rear Bushing Inserts are ideal for BMW E46 3 Series, E46 M3, X3, and Z4 owners who seek to enhance their vehicle's handling and performance characteristics. These inserts offer a straightforward and effective way to improve rear suspension dynamics, making them a valuable addition for both performance enthusiasts and daily drivers looking for a better driving experience.

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Whiteline - Corporate Logo
T#:26638241
Part#: W53519
Ships in 4 Business Days
$ 116.99 USD
Free Shipping on orders $49 and up
Powerflex - Corporate Logo
T#:34181270
Part#: PFF5-310-25H
Ships in 2 Business Days
$ 57.99 USD
Free Shipping on orders $49 and up

The Powerflex Front Sway Bar Bushing - 25mm (Heritage) is made for BMW E24, E28, E32, E34, E36, and Z4 models.

  • 25mm Sway Bar Fit: Specifically designed for 25mm sway bars to improve stability.
  • Heritage Style: Classic look with modern polyurethane material for long-lasting durability.
  • Improved Handling: Reduces body roll and sway bar movement for better control.
  • Durable: Resists wear and road contaminants better than stock rubber bushings.

An excellent choice to enhance your car's handling while preserving its vintage appeal.

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Powerflex - Corporate Logo
T#:34147741
Part#: PFR5-4611H
Ships in 2 Business Days
$ 143.99 USD
Free Shipping on orders $49 and up

For BMW E46 (3 Series), Z4, and X3, upgrading to Powerflex rear subframe rear bushings is an effective way to improve the durability and handling of the suspension system. Powerflex polyurethane bushings are a popular upgrade over the factory rubber bushings, offering enhanced performance and longevity, particularly for cars used in performance driving or that are susceptible to subframe wear.

Features and Benefits of Powerflex Rear Subframe Rear Bushings:

  • High-Performance Polyurethane Material: Powerflex bushings are constructed from polyurethane, which is significantly more resistant to deterioration than rubber. Polyurethane is less affected by elements like heat, road debris, and oils, ensuring that the bushings maintain their performance characteristics for much longer.
  • Enhanced Handling Precision: One of the primary benefits of polyurethane bushings is reduced subframe movement. By replacing the flexible rubber bushings with stiffer polyurethane versions, you’ll experience sharper handling, more precise suspension response, and improved chassis control, especially during hard acceleration, cornering, and braking.
  • Reduced Subframe Flex: The rear subframe is subjected to significant forces, particularly under high-performance driving conditions. Powerflex bushings help reduce the flex that can occur in the subframe, keeping the rear end more stable, improving vehicle control, and enhancing cornering performance.
  • Longevity and Reliability: Powerflex bushings are engineered to outlast the stock rubber bushings by a significant margin. They are designed to endure the demands of high-performance driving without deteriorating, which leads to fewer replacements over the life of the vehicle.
  • Optimized NVH Balance: While stiffer than rubber bushings, Powerflex designs its bushings to minimize the increase in noise, vibration, and harshness (NVH). This ensures that the bushings provide improved handling without compromising ride comfort, making them suitable for daily drivers as well as performance-focused cars.

Installation Considerations:

  • Direct Replacement: Powerflex bushings are manufactured to be direct replacements for the factory bushings, meaning they fit into the stock locations without modification. However, accessing the rear subframe for installation can be a complex task, often requiring the subframe to be dropped, so professional installation is recommended.
  • Subframe Reinforcement: For vehicles like the BMW E46, known for rear subframe cracking, many owners choose to upgrade their bushings alongside subframe reinforcement plates. This combination helps prevent the stress fractures that can occur in the mounting points.

Applications:

  • BMW E46 (3 Series)
  • BMW Z4 (E85/E86)
  • BMW X3 (E83)

Suitable For:

  • Daily Driving and Performance Use: Whether you're using your BMW for spirited street driving or taking it to the track, Powerflex rear subframe rear bushings provide improved handling and stability without significantly increasing NVH.
  • Subframe Longevity: If your car is prone to subframe issues or you want to take preventive measures, upgrading to these bushings will help reduce the wear on critical suspension components, extending the life of the subframe and related parts.

By upgrading to Powerflex rear subframe rear bushings, BMW E46, Z4, and X3 owners can expect improved handling, reduced subframe flex, and longer-lasting suspension performance, making it an ideal upgrade for both street and track use. These bushings strike a great balance between enhancing performance while maintaining daily driving comfort.

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Powerflex - Corporate Logo
T#:27238713
Part#: PFR5-4609-22.5BL
Ships in 2 Business Days
$ 78.99 USD
Free Shipping on orders $49 and up
$ 78.99 USD
Free Shipping on orders $49 and up

Upgrade your vehicle's handling performance with Powerflex polyurethane sway bar bushings. Unlike OEM rubber bushings that prioritize comfort over precision, Powerflex bushings are designed to reduce body roll and enhance cornering confidence.

Sway bars play a crucial role in transmitting cornering forces from the outside wheels to the inside wheels, ensuring your vehicle stays flat during sharp turns. However, OEM rubber bushings can lead to unnecessary body roll due to their flexible nature, compromising the effectiveness of the sway bars.

Powerflex polyurethane bushings offer a firmer alternative to OEM rubber, providing improved bar retention and minimizing sloppiness during cornering. This results in enhanced handling capabilities and a more engaging driving experience.

As the leading suspension bushing manufacturer in Europe, Powerflex leverages its expertise in polyurethane materials and advanced manufacturing techniques to produce premium bushings that meet exact-fit standards. Whether you're driving on the street or hitting the track, Powerflex bushings are built to last longer than OEM rubber counterparts while delivering superior performance.

For easy installation and prolonged service life, we recommend using Powerflex Copper Grease PCG1. This grease helps reduce squeaks and ensures optimal performance of the bushings over time.

Choose Powerflex street bushings for daily-driven vehicles with occasional autocross or track outings. For dedicated track cars seeking maximum stiffness, Powerflex Black Series bushings with a 95A durometer polyurethane material are the ultimate choice, offering 25% more stiffness than street bushings.

To top it off, Powerflex stands behind its products with a lifetime warranty for the original purchaser, providing peace of mind and assurance of quality and durability. Upgrade your suspension with Powerflex and experience the difference in handling performance.

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Whiteline - Corporate Logo
T#:54388458
Part#: W22801
Ships in 4 Business Days
New Item
$ 28.99

This product was last offered at the strikethrough price on
08-13-2026

$ 26.99 USD
Free Shipping on orders $49 and up
$ 26.99 USD
Free Shipping on orders $49 and up
Engineered to optimize rear roll stiffness and eliminate the dynamic compliance of aging factory components

Powerflex - Corporate Logo
T#:362715
Part#: PCG1
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up
The Powerflex silicone grease is the only lubricant we suggest for long, squeak free operation. The lubricant contains silicone that resists heat and water and keeps a more constant viscosity to allow it to stay in the bushing as temperatures increase. The lubricant also does not lose it's lubrication properties over time like an anti-seize type lubricant. Each pack will lube 2 large bushings or 4 small.
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Powerflex - Corporate Logo
T#:34147742
Part#: PFR5-4618H
Back Ordered
$ 89.99 USD
Free Shipping on orders $49 and up
Managing dynamic toe and camber alignment under heavy cornering loads is critical to maintaining maximum tire contact patch

Powerflex Black Series - Corporate Logo
T#:21308446
Part#: PFF5-4601-60BLK
Ships in 2 Business Days
$ 104.99 USD
Free Shipping on orders $49 and up
While OEM Front Control Arm Bushings with a 60 mm size are suitable for everyday driving, they don't match up with the performance of the PowerFlex Black Series bushing. OEM bushings are designed for everyday comfort, have potential alignment issues, are less responsive than aftermarket, and have a shorter lifespan. As for aftermarket performance polyurethane bushings, you will get the handling you're looking for if you are an enthusiast daily driver or one who hits the tracks on the weekend. Enjoy the benefits for your E46 or Z4 with: Enhanced Stability Improved Handling Reduced Vibration Better Road Feel Longer Lifespan Improved Alignment OE / OEM Cross Reference Numbers: 31126783376 / 31126777850 / 31126757623 Fits these E46 models: 323ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i Fits these E85 Z4 models: 2.5i, 3.0i, 3.0si
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Whiteline - Corporate Logo
T#:54388459
Part#: W52605
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This product was last offered at the strikethrough price on
08-13-2026

$ 61.99 USD
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$ 61.99 USD
Free Shipping on orders $49 and up
Deflection at the front lower control arm rear pivot drastically alters dynamic toe and caster alignment under high-load braking and cornering