Powerflex PFR5-504-15 15mm Rear Anti-Roll Bar / Sway Bar / Stabilizer/Stabiliser Bush/Bushing for BMW 3 Series E46 & Z4 E85 E86 - Polyurethane ARB Mount/Clamp Set

Powerflex PFR5-504-15 15 mm Rear Stabiliser Bar Mounts for BMW E46 and Z4 E85/E86

Give your BMW sharper, more predictable handling with these Powerflex 15 mm rear stabiliser bar mounting inserts. Designed as a direct replacement for tired factory rubber, this uprated polyurethane solution cuts unwanted movement at the rear axle, delivering crisper turn-in, better mid-corner composure and a planted, confidence-inspiring drive on road and fast road.

We use these ourselves and our customers love the transformation. Expect tighter rear-end control, improved grip over rough B-roads and consistent performance mile after mile.

Why upgrade to these polyurethane mounts

• Reduces bar-to-chassis deflection for more precise cornering
• Enhances stability, traction and steering feedback without harshness
• Durable construction maintains geometry under load and temperature changes
• Ideal refresh for ageing suspension or as a performance handling upgrade

Size and fitment

Diameter: 15 mm rear roll bar mount

Important: Measure your rear bar before ordering to confirm it is 15 mm.

Vehicle applications

• BMW 3 Series E46: Saloon, Touring, Coupé, Convertible, Compact, xi and xd four-wheel drive
• BMW Z4 E85 Roadster and E86 Coupé (2003–2009)

Replaces OE references

• 33551131155
• 33551093795
• 33551094550

What you receive

• 2 x Powerflex rear stabiliser bar mounting inserts, 15 mm

Diagram reference: 4

Part number

PFR5-504-15

Fitment check

We will confirm compatibility before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout so we can verify this 15 mm rear bar mount suits your vehicle.

Professional installation

Want it fitted by specialists. MJ Modifications in Warwickshire can help. Request a fitting quote at info@mjmodifications.co.uk.

Search-friendly terms

BMW E46 rear stabiliser mounts 15 mm, BMW Z4 E85 E86 rear roll bar clamps, rear swaybar bush set 15 mm, bar-to-chassis poly inserts BMW 3 Series, uprated rear ARB mount kit, performance rear bar bushes E46, Z4 rear stabilizer bush upgrade, chassis stabiliser bushing 15 mm, BMW rear roll bar saddle bushes, PFR5-504-15 poly set.