Powerflex Black Series Rear Subframe/Crossmember Front Mount Bush Inserts for BMW 4 Series F32 F33 F36 (F3x) | 95A Polyurethane Track/Fast Road | Rear Axle Carrier Bushing Stiffeners | Pair | PFR5-1920BLK | OE Ref 33316792509

Rear Crossmember Front Mount Insert Set for BMW 4 Series F32 F33 F36 | Part No. PFR5-1920BLK

Dial in rear-end precision on your BMW F32, F33 or F36 with this motorsport‑grade rear carrier front mount insert set. Manufactured in tough 95A polyurethane, part number PFR5-1920BLK slides into the voids of the factory mounts to curb flex, stabilise the chassis under load and deliver a tighter, more connected drive on fast road and track.

Why enthusiasts choose this upgrade

• Locks down the rear carrier to keep alignment true under acceleration, braking and cornering.
• Improves traction and rear axle stability for cleaner power delivery out of bends.
• Sharper turn in and more confidence at speed thanks to controlled subframe movement.
• Insert design fits the original mount voids for an effective, focused handling gain.
• Ideal for fast road, track days and performance builds seeking a more planted feel.

What you get

• Quantity: 2 inserts (pair)
• Material hardness: 95 Shore A polyurethane
• Location: Front position of the rear subframe mounts
• Diagram reference: 20
• OE reference it complements: 33316792509
• Part number: PFR5-1920BLK

Compatibility

BMW 4 Series F32 Coupe, F33 Convertible, F36 Gran Coupe.

Real results you can feel

By filling the voids in the stock mount, this insert limits unwanted movement of the rear crossmember. Expect a more responsive rear end, improved stability on direction changes and a noticeable uplift in confidence when pressing on. We have installed and run these ourselves and customer feedback has been consistently positive for grip, precision and overall control.

Fitting and support

Professional installation recommended. MJ Modifications offers expert fitting in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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