Powerflex

PRE ORDER Powerflex Full Rear Diff Bush Kit & Dual Mount Bracket – BMW M3 F80

Regular price £710.00 Sale price£778.56you save £68.56

Designed to significantly improve drivetrain control, this complete rear differential bush and bracket kit from Powerflex is the ideal upgrade for BMW M2, M3, and M4 F8x models. Whether you're looking to reduce wheel-hop during launches, improve traction, or prepare your car for track use, this kit delivers precise performance and durability.


Kit Includes:

  • PFR5-4030 x1 – CNC Aluminium Dual Mount Rear Diff Bracket

  • PFR5-4026 x2 – Polyurethane Rear Diff Rear Mounting Bushes

  • PFR5-4025 x4 – Polyurethane Rear Diff Front Mounting Bushes


Diagram References: #21, #22 & #30 (Powerflex Reference)


Key Features:

🔧 PFR5-4030 – Dual Mount Rear Diff Bracket

  • Machined from 2011-T6 aluminium and black anodised

  • Allows single or dual bush fitment (OE or polyurethane)

  • Supplied with M14 high-tensile bolt, thread locker, and Powerflex keyring

  • Recommended: Fit with 2x PU bushes for best performance

  • If fitting with 1x OE + 1x PU bush, install the PU bush in the right-hand subframe location

⚙️ PFR5-4026 – Rear Mount Bush with Built-in Support Washer

  • Manufactured using Powerflex’s durable 80A polyurethane

  • Built-in anodised aluminium washer for improved stability under torque

    • Reduces drivetrain deflection and potential for wheel-hop

    • Ideal for aggressive driving, launches, and track use

    🛠 PFR5-4025 – Front Diff Mounting Bushes (Set of 4)

    • Replaces all four bushes in the OEM front differential bracket

    • Includes aluminium sleeves for increased control

    • Enhances rear-end stability during load changes and acceleration


    Compatibility:

    • BMW M2 F87 (including Competition)

    • BMW M3 F80

    • BMW M4 F82 / F83


    Benefits:
    ✔ Reduced drivetrain movement and axle tramp
    ✔ Sharper throttle response and launch control
    ✔ Increased rear diff stability under load
    ✔ Improved durability over factory rubber mounts
    ✔ Suitable for road, fast road, and motorsport use


    Note:
    This is a complete rear differential mounting solution. Professional installation is recommended. Polyurethane components may slightly increase NVH (noise, vibration, harshness), especially under high load.

    Need help with installation advice or bush configuration? Message us – we’re happy to help.