Powerflex Black Series 15mm Rear Anti Roll Bar Mounting Bushes (Pair) for BMW E46 3 Series & Z4 E85/E86 - PFR5-504-15BLK

PFR5-504-15BLK Black Series 15 mm Rear Stabiliser Bar Bush Kit for BMW E46 and BMW Z4 E85/E86

Get race-bred precision from your BMW’s rear end with these Powerflex Black Series 15 mm rear stabiliser bar bushes. Built from motorsport-grade polyurethane at 95 Shore A durometer, this pair of poly bushes replaces tired factory rubber to cut compliance, boost roll stiffness and keep your sway bar doing its job lap after lap. If you are searching for E46 rear sway bar bushings, BMW Z4 E85/E86 stabiliser bar mounts, 15 mm ARB clamp bushes or the part code PFR5-504-15BLK, this is the upgrade trusted by track-day drivers and fast-road enthusiasts alike.

We run these on our own builds and customer cars, and the feedback is consistently the same: tighter turn-in, more planted cornering and dependable performance in all conditions. Expect sharper feedback and a more connected feel compared to ageing OE components.

Key benefits

• 95A Black Series polyurethane controls bar movement for crisp handling and reduced body roll
• Motorsport-focused material that resists oil, grime and temperature extremes
• Direct-fit replacement for the rear roll bar clamp inserts on compatible models
• Ideal for track days, spirited road use and performance builds seeking consistent geometry under load
• Durable, long-lasting upgrade over standard rubber bushings

Fitment details

Bar diameter: 15 mm. Please measure your rear stabiliser bar to confirm you need the 15 mm size before ordering.

Vehicle applications

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

Cross-reference OE numbers

• 33551131155
• 33551093795
• 33551094550

What you receive

• 2 x rear stabiliser bar bushes, 15 mm bore

Quantity required per vehicle: 2. Reference diagram position: 4.

Part number

PFR5-504-15BLK

Popular search terms

BMW E46 rear sway bar bush 15 mm, E46 ARB polybush kit, Z4 E85 rear stabilizer bar mounts, Z4 E86 sway bar bushings, BMW 3 Series E46 rear roll bar clamp bushes 15 mm, Powerflex PFR5-504-15BLK Black Series.

Compatibility check

We will verify fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout and we will confirm suitability for your chassis.

Installation and support

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

Brand

Powerflex

Diagram