Powerflex Rear Differential Mount/Bush for BMW M3 G80 (2020+) – Polyurethane Rear Diff/Final Drive Bushing Upgrade – PFR5-4026 – Replaces OE 33177852495, 33316899168 – Wheel Hop/Axle Tramp Reduction, Fast Road & Track

Rear differential mount upgrade for BMW M3 G80 – Part No: PFR5-4026

Unlock cleaner launches, tighter driveline control and repeatable performance with this precision-engineered rear final drive mount for the G80-generation M3. Built to replace the soft, ageing rubber item, it stabilises the rear axle assembly under load so your power goes to the tarmac with less wasted movement.

Our team and customers have fitted this on fast-road and track-focused builds with brilliant results. Expect crisper throttle pick-up, reduced axle tramp and a more connected feel during hard acceleration and upshifts.

Why choose this rear diff mount

• Part number: PFR5-4026
• Direct replacement rear differential bushing for BMW M3 G80 2020 onwards
• Integrated support washer for extra reinforcement under heavy load and launches
• Constructed from Purple 80A durometer polyurethane with Black anodised 2011-T6 aluminium components
• Cuts driveline deflection to help curb wheel hop and improve traction consistency
• Ideal for tuned cars, fast road, drag starts and track-day use

Dual-mount compatibility for even greater support

For those chasing maximum stability, this bushing can be paired with the PFR5-4030 dual-mount rear differential bracket, allowing two bushes to be installed in the factory locations for added security and precision.

Fitment and OE cross-references

• Vehicle: BMW M3 G80, 2020 onwards
• Replaces OE numbers: 33177852495, 33316899168
• Quantity in pack: 1 bushing
• Diagram reference: 22

Key search terms our customers use

BMW M3 G80 rear diff mount upgrade, rear differential bushing, diff mount insert, polyurethane diff bush, driveline mount, axle tramp fix, wheel hop reduction, rear final drive bush, BMW G80 drivetrain bush, fast road diff mount, track diff mount, M3 G80 poly bush.

Professional fitting

We recommend professional installation. For a fitting quote, contact MJ Modifications in Warwickshire: info@mjmodifications.co.uk.