Powerflex PFR5-4620 Rear Diff/Final Drive Rear Mount Polyurethane Bush Kit (Pair, 2pc) for BMW E46 M3 3 Series Coupe/Convertible - Urethane Differential Carrier Bushing Set - Replaces OE 33112282482

Powerflex PFR5-4620 Polyurethane Rear Final Drive Rear Mount Bush Kit for BMW E46 M3

Sharpen the back end of your E46 M3 with this premium urethane rear final drive mounting kit. The Powerflex PFR5-4620 pair replaces tired factory rubber, firms up the diff carrier, cuts unwanted movement and helps keep the rear axle planted. Expect crisper turn in, better traction out of bends, reduced wheel hop and a more predictable chassis on fast road and track.

What you get

• Part number: PFR5-4620
• Fitment: BMW E46 M3 coupe and convertible
• Location: rear final drive rear mounting position
• Contents: 2 polyurethane bushings with sleeves
• OEM reference replaced: 33112282482
• Diagram reference: 20
• Warranty: Lifetime

Why enthusiasts choose this upgrade

• Controls diff movement under load for consistent rear geometry
• Improves stability under hard acceleration and heavy braking
• Enhances grip by keeping the tyres in better contact with the tarmac
• Helps reduce rear end float and vague behaviour from ageing rubber
• Durable polyurethane resists oil, heat and wear for long term performance
• Direct swap for the original rear drive mount bushings

Real world results

We run these bushes on our own builds and our customers consistently report a tighter, more connected rear with improved confidence on B roads and track days. It is a simple, proven upgrade that transforms the feel of the E46 M3 without compromising everyday usability.

Ideal if you are experiencing

• Rear end wander or clunk when getting on and off the throttle
• Wheel hop on launches or when exiting corners
• Uneven tyre wear caused by excessive driveline movement

Professional fitting

Want it installed by people who know these cars inside out? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Search friendly terms

BMW M3 E46 diff carrier bushings, E46 M3 final drive mount kit, urethane diff rear mount set, performance suspension bushings for E46 M3, rear axle mounting upgrade, driveline mount bush upgrade, Powerflex PFR5-4620 bush set two piece, E46 M3 poly bush kit rear drive, replacement for OE 33112282482, track day suspension upgrade BMW M3 E46, stiffer rear beam mount bushes, differential rear mount inserts E46 M3.