Powerflex PFR5-1927 Rear Diff Front Mount Bush/Insert Pair (Polyurethane) – BMW 4 Series xDrive F32 F33 F36 AWD F3x – Differential Mount Bushing Upgrade – Fits OE 33316792513 – 2x Poly Bushes for Rear Final Drive

Powerflex PFR5-1927 Poly Insert for BMW 4 Series xDrive F32 F33 F36 Rear Final Drive Front Mount

Transform the way your AWD BMW feels with this high quality polyurethane insert set from Powerflex. The PFR5-1927 insert supports the front mounting point of the rear final drive, limiting unwanted movement so torque is delivered to the road with confidence. Expect tighter rear end control, cleaner launches, reduced wheel hop and a more connected drive in all conditions.

Why this upgrade is a must for your F3x xDrive

• Reduces differential wind-up for crisper throttle response and stronger traction
• Controls drivetrain flex to keep geometry stable under load and on corner exit
• Helps maintain tyre contact for improved grip, safety and consistency
• Durable polyurethane resists degradation far better than ageing rubber
• Excellent balance of performance and NVH control for daily use and spirited driving
• Backed by Powerflex Lifetime Warranty for long term peace of mind

What is included

• Pack contents: 2 x polyurethane inserts
• Diagram reference: 27
• Powerflex part number: PFR5-1927
• OE cross reference: 33316792513

Compatibility

For BMW 4 Series xDrive chassis:

• F32 Coupe xDrive
• F33 Convertible xDrive
• F36 Gran Coupe xDrive

Designed to fit into the existing factory front mount for the rear final drive, filling the voids of the original equipment bush to reduce movement without replacing the entire assembly.

Real world feedback

We have installed this PFR5-1927 insert on customer cars and the results are consistently impressive. Owners report a more planted rear axle, better stability under acceleration and a confident, precise feel on back roads and motorways alike.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk. This insert installs into the OE mount, making it a straightforward upgrade for a trained technician.

Buy with confidence

Choose Powerflex for a proven, maintenance friendly improvement to your BMW’s driveline control. The PFR5-1927 rear final drive front mount insert delivers instant, feelable gains in traction and stability and is protected by a Lifetime Warranty.

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