Subframe for BMW Z4 M Roadster S54 (2003-2008)

Clear BMW chassis

Please ensure your correct model is selected

Subframe bushings are a common failure point on BMWs - replace these to refresh your BMW.

Sub-Categories

Sort By:

Revshift Subframe Bushing & Reinforcement Combo Kit - Street ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Revshift - Corporate Logo
T#:27405530
Part#: SBRC-E46-80A
Ships on Jul 28, 2026
$ 249.99 USD
Free Shipping on orders $49 and up

Upgrade your E46's rear subframe with the Revshift Combo Kit, featuring 80A durometer polyurethane rear subframe bushings and a comprehensive weld-in reinforcement plate kit. Designed to address the notorious cracking and ripping of rear subframe mounting points over time, this kit provides a robust solution to prevent costly damage to your vehicle.

Key Features:

Complete Solution: Includes 80A durometer polyurethane rear subframe bushings and precision laser-cut 14-gauge steel reinforcement plates for comprehensive subframe reinforcement. Prevents Damage: Weld-in reinforcement plates protect against cracks and damage to the chassis, ensuring long-term durability and stability. Enhanced Handling: Revshift polyurethane rear subframe bushings replace OEM rubber bushings, stiffening mounting points to improve handling and performance. Durable Construction: Polyurethane bushings are designed to last and do not wear out like rubber OEM bushings, providing consistent performance over time. Proper Dampening: Polyurethane bushings properly dampen the rear subframe, enhancing overall vehicle stability and control. Benefits:

Improved handling capabilities Long-lasting durability compared to OEM rubber bushings Protection against bending or cracking of subframe mounts The comprehensive kit includes all necessary components for installation Upgrade your E46's rear subframe with the Revshift Combo Kit for superior handling, durability, and protection against chassis damage. Boost your driving experience with enhanced performance and stability.

Show More Show Less
Revshift Subframe Bushing & Reinforcement Combo Kit - Track
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Revshift - Corporate Logo
T#:27405529
Part#: SBRC-E46-95A
Ships in 5 Business Days
$ 249.99 USD
Free Shipping on orders $49 and up

Upgrade your E46's rear subframe with the Revshift Combo Kit, featuring 80A durometer polyurethane rear subframe bushings and a comprehensive weld-in reinforcement plate kit. Designed to address the notorious cracking and ripping of rear subframe mounting points over time, this kit provides a robust solution to prevent costly damage to your vehicle.

Key Features:

Complete Solution: Includes 95A durometer polyurethane rear subframe bushings and precision laser-cut 14-gauge steel reinforcement plates for comprehensive subframe reinforcement. Prevents Damage: Weld-in reinforcement plates protect against cracks and damage to the chassis, ensuring long-term durability and stability. Enhanced Handling: Revshift polyurethane rear subframe bushings replace OEM rubber bushings, stiffening mounting points to improve handling and performance. Durable Construction: Polyurethane bushings are designed to last and do not wear out like rubber OEM bushings, providing consistent performance over time. Proper Dampening: Polyurethane bushings properly dampen the rear subframe, enhancing overall vehicle stability and control. Benefits:

Improved handling capabilities Long-lasting durability compared to OEM rubber bushings Protection against bending or cracking of subframe mounts The comprehensive kit includes all necessary components for installation Upgrade your E46's rear subframe with the Revshift Combo Kit for superior handling, durability, and protection against chassis damage. Boost your driving experience with enhanced performance and stability.

Show More Show Less
Powerflex BMW E46 / Z4 / X3 Rear Subframe Rear Bushing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Powerflex - Corporate Logo
T#:34147741
Part#: PFR5-4611H
Ships in 1 Business Day
$ 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.

Show More Show Less

Powerful BMW E46 3 Series / E46 M3 / X3 / Z4 Rear Subframe Rear Bushi...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Powerflex - Corporate Logo
T#:34214775
Part#: PFR5-4613H
Ships in 1 Business Day
$ 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.

Show More Show Less

Revshift Subframe Bushing & Reinforcement Combo Kit - Drift
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Revshift - Corporate Logo
T#:27405528
Part#: SBRC-E46-70D
Ships in 7 Business Days
$ 249.99 USD
Free Shipping on orders $49 and up

Upgrade your E46's rear subframe with the Revshift Combo Kit, featuring 75D durometer polyurethane rear subframe bushings and a comprehensive weld-in reinforcement plate kit. Designed to address the notorious cracking and ripping of rear subframe mounting points over time, this kit provides a robust solution to prevent costly damage to your vehicle.

Key Features:

Complete Solution: Includes 95A durometer polyurethane rear subframe bushings and precision laser-cut 14-gauge steel reinforcement plates for comprehensive subframe reinforcement. Prevents Damage: Weld-in reinforcement plates protect against cracks and damage to the chassis, ensuring long-term durability and stability. Enhanced Handling: Revshift polyurethane rear subframe bushings replace OEM rubber bushings, stiffening mounting points to improve handling and performance. Durable Construction: Polyurethane bushings are designed to last and do not wear out like rubber OEM bushings, providing consistent performance over time. Proper Dampening: Polyurethane bushings properly dampen the rear subframe, enhancing overall vehicle stability and control. Benefits:

Improved handling capabilities Long-lasting durability compared to OEM rubber bushings Protection against bending or cracking of subframe mounts The comprehensive kit includes all necessary components for installation Upgrade your E46's rear subframe with the Revshift Combo Kit for superior handling, durability, and protection against chassis damage. Boost your driving experience with enhanced performance and stability.

Show More Show Less