Suspension mounts are designed to absorb the energy of the shocks and springs and isolate road harshness from the chassis. But over time the original rubber mounts will crumble and fail. We have stock mounts and bushings as well as a wide selection of upgraded and heavier-duty for performance street cars. We also offer a full selection of race only bushings and mounts. Simply choose your car below. Included here you will find rear shock tower mounts, front strut mounts, subframe mounts, lower control arm bushings, rear trailing arm bushings, and more.
NOTE: We suggest replacing 3 of BMW # 31126760203 during installation Kit comes supplied with M14 mounting bolt, thread locker, and a Powerflex keyring. With the newer F8x M2/M3/M4's making big power and having superb chassis straight from the showroom, it's no wonder they're often found at the most serious of track-days or at tuning shops around the globe. Unfortunately, the power that makes these cars so fun to drive eventually has an impact on the vehicles' suspension components- most notably the rear differential bushings. Despite having alloted for two mounting bushings on the factory tubular subframe, BMW opts to use only a single offset bushing in the rear to mount the diff bracket to the subframe. This essentially creates a pivot point for the diff under torque loading, especially if the 4x front diff bushes are worn out and softer than they once were. With hard launches and sudden and frequent on-off throttle changes, the single rear OE rubber bushing is subject to extreme torsional and directional forces, resulting in rapid degradation with failure often seen at around the 30,000-40,000 mile mark, and an unsettled and potentially clunky rear-end. The PFR5-4030 Dual Mount Diff Bracket is made from our in-house CNC machined 6082 High-Tensile Aluminum, and is designed to utilize the secondary mounting position on the OE subframe. With the addition of a second bushing, this prevents the diff from twisting under load, providing benefits such as: Reduced drivetrain movement Improved throttle response A more controlled and consistent chassis response to acceleration/deceleration Improved tire-to-road power transfer due to reduced wheel hop Reduced strain on bushings The corrosion-resistant, satin black, anodized aluminum bracket is optimized for high stress and deflection while withstanding high torque loads, but serves the same purpose in road-use and track-use cars with either a single OE bushing or dual aftermarket bushings. Although the bracket can be fitted without the need to remove the subframe from the vehicle completely, we would strongly recommend combining Powerflex products by using our already hugely popular 80A durometer PFR5-4026 Rear Diff Rear Mounting Bushings for both rear mounting positions alongside our PFR5-4025 Rear Diff Front Mounting Bushings in the front for the ultimate in differential control and a lasting street or track solution.
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When you opt to enhance your BMW F80, F82, F83, or F87 with Radius Arm to Chassis Bushings, you unlock a multitude of advantages. These include: Enhanced Handling: Radius Arm to Chassis Bushings elevate your BMW's handling to a higher level, granting exceptional control, especially during demanding maneuvers and sharp corners. This translates to an improved sense of stability on the road. Reduced Vibration and Noise: These bushings excel at reducing vibrations and dampening noise, leading to a quieter and smoother driving experience. Your ride quality becomes more refined, enhancing overall comfort. Improved Steering Response: Bid farewell to unresponsive steering. Radius Arm to Chassis Bushings enhance your BMW's steering response, delivering precise and immediate control, akin to forging a direct connection with the road. Extended Component Lifespan: Opting for high-quality bushings extends the lifespan of various suspension components. They exhibit superior durability compared to stock bushings, which translates to fewer replacements and increased longevity. Enhanced Traction: Whether you're passionate about spirited driving or partake in track activities, these bushings provide superior traction. Your BMW maintains consistent contact with the road surface, allowing you to confidently explore your vehicle's performance limits. OE / OEM Cross Reference Numbers: 31122284531/ 31122284532 / 31122283579 Fits these BMW models: F80 - M3 F82 - M4 F87 - M2
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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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