Powerflex BMW F80 F82 F83 F87 Black Series Rear Diff Rear Mounting Bush for M2, M3 and M4
Upgrade the rear differential stability on your BMW M car with the Powerflex Black Series Rear Diff Rear Mounting Bush. This direct replacement rear differential rear mounting bush is engineered to improve diff control under load and hard acceleration. It features a built-in support washer that provides extra support to the diff, helping reduce unwanted movement, sharpen throttle response, and enhance traction on fast road and track-focused builds.
We have fitted this bush on customer cars and on our own development vehicles. Feedback has been excellent, with drivers reporting a tighter rear end, more consistent launches, and improved drive out of corners without excessive compromise to daily usability.
Why choose this Powerflex rear diff mount for your BMW M2, M3 and M4
- Direct replacement rear differential rear mounting bush for F80 M3, F82 and F83 M4, and F87 M2
- Built-in support washer improves differential stability under acceleration
- Reduces diff movement for crisper drivetrain response and improved traction
- Ideal performance upgrade for fast road and track applications
- Precision fitment and long service life from a trusted performance brand
What you get
1 x rear differential rear mounting bush. You will require 1 bush per car.
Fitment and compatibility
- BMW M Series F87 M2 2014 to 2019
- BMW M Series F80 M3 2012 to 2018
- BMW M Series F82 M4 and F83 M4 Convertible 2013 to 2019
OEM Part Number cross reference: 33177852495
Part number
PFR5-4026BLK
Diagram reference
Reference No. 22
Installation and fitting
Professional installation is recommended for the best results. We offer in-house fitting at Nforcd in Warwickshire. For a tailored fitting quote, email Sales@nforcd.com.
Download the installation guide
Compatibility check
We run a compatibility check prior to dispatch to ensure you receive the correct part. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will confirm fitment for your BMW M2, M3 or M4.
Manufactured by
Powerflex
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