PRE ORDER Powerflex Dual Mount Rear Diff Bracket & X2 Bush Kit – BMW M4 F82 / F83

Upgrade your rear differential mounting with the Powerflex Dual Mount Rear Diff Bracket & Bush Kit – designed specifically for BMW F-Series M cars to enhance drivetrain stability and reduce unwanted movement under hard acceleration.

This kit is ideal for high-performance road use, track days, and drag applications where differential movement and wheel hop are common issues.

Kit Contents:

• PFR5-4030 – CNC-Machined Aluminium Dual Mount Bracket

• PFR5-4026 – Polyurethane Rear Diff Rear Mounting Bush with Built-in Support Washer

• Hardware Included: M14 bolt, thread locker

Product Features:
✅ PFR5-4026 – A high-performance rear diff bush made from Powerflex’s signature 80A Purple polyurethane, featuring an integrated support washer and black anodised 2011-T6 aluminium sleeve. Significantly reduces drivetrain deflection and minimises wheel-hop during aggressive launches.

✅ PFR5-4030 – Dual Mount Differential Bracket, precision-machined from billet aluminium and black anodised for durability. Offers flexible fitment options:

• Use with 1 or 2 OE bushes

• Use with 1 x OE + 1 x PU bush (See other listings)

• Use with 2 x PFR5-4026 for maximum support (recommended) (This Listing)

When using one OE and one PU bush, install the 

PU bush in the right-hand subframe mounting hole for optimal support.

Compatibility:

• BMW M2 F87

• BMW M3 F80

• BMW M4 F82 / F83

Diagram References: #22 & #30 (Powerflex Diagrams)
Replaces OE Mount Bracket: BMW Part Number 33177852495 / 33177284775

Note:
Professional fitting recommended. Polyurethane bushes may increase NVH slightly, especially under aggressive use.

Have questions or need bush configuration advice? Message us anytime — we’re happy to help!