Powerflex PFR5-300 Rear Diff Mount Bush Polyurethane for BMW Z3 1994-2002 – Diff Bush/Bushing Upgrade, E36 Z3 E36/7 E36/8 Rear Axle Differential Mount Insert

Part Number: PFR5-300

Transform the rear end of your BMW Z3 with this premium polyurethane differential mount bushing. Designed for the 1994 to 2002 Z3 range, this upgrade replaces tired factory rubber to deliver tighter handling, improved traction and a more planted feel during acceleration, cornering and braking. If you are chasing rear end stability, sharper response and long-term durability, this poly bushing kit is the proven solution.

Why choose this upgrade

• Reduces unwanted differential movement for crisper driveline response
• Improves road holding, rear axle control and cornering confidence
• Helps minimise uneven tyre wear and braking instability
• Durable polyurethane resists oil, road salt and ageing better than rubber
• Excellent NVH control with correctly formulated material for daily road use
• Backed by a Lifetime Warranty for peace of mind

What you get

• Quantity in pack: 1 bush
• Diagram reference: 7
• Direct replacement for the rear differential mounting on BMW Z3 models

Real-world results

We have installed this on customer Z3s and the feedback is consistently positive. Owners report a more connected rear end, cleaner gear shifts under load and reduced rear axle thud without a harsh ride. It is a simple, cost-effective suspension upgrade that makes a big difference on both fast road and daily use cars.

Perfect for

• BMW Z3 owners refreshing ageing suspension components
• Fast road builds and track day preparation
• Solving rear end clunks, axle tramp and driveline shunt

Common symptoms this solves

• Imprecise handling and vague rear end
• Uneven tyre wear
• Braking instability and traction loss

Fitting service

Professional installation recommended. MJ Modifications offers fitting at our Warwickshire workshop. For a tailored quote and availability, email info@mjmodifications.co.uk.

Search-friendly terms customers use

BMW Z3 differential mount, poly bushing kit, rear diff mount upgrade, E36 Z3 driveline bush, rear axle mount bush, performance suspension bushes, polyurethane diff insert, Z3 rear end clunk fix, diff bush replacement, chassis bush upgrade, handling upgrade for BMW Z3, track day suspension bushings, fast road Z3 suspension.

Additional reference
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