Powerflex Rear Sway/Stabiliser/Anti-Roll Bar (ARB) Bushes/Bushings 13mm Polyurethane for BMW 1 Series F20/F21 (2011-2019) Pair - PFR5-1913-13 - Replaces 33356792197

Rear Sway Bar Bush Kit 13 mm for BMW 1 Series F20 F21 — Powerflex PFR5-1913-13

Give your BMW 1 Series sharper response and rock-solid rear-end control with this Powerflex rear stabiliser bar bush set. By replacing ageing rubber mounts with performance polyurethane, you unlock crisper turn-in, reduced roll and consistent suspension geometry on the road and at track days. We run Powerflex on our own builds and customer cars, and the feedback is simple — tighter handling, more confidence and long-term durability.

Why this upgrade works

• Transforms steering feel with more direct response through bends
• Controls chassis movement for flatter cornering and better grip
• Improves braking stability and traction over bumps
• Holds alignment under load to help reduce uneven tyre wear
• Poly material resists oil, road grime and deformation for lasting performance
• Backed by the Powerflex Lifetime Warranty

What you get

• Part number: PFR5-1913-13
• Application: Rear sway bar bushings, 13 mm inner diameter
• Quantity: Pair — 2 bushes in the pack
• Diagram reference: 13

Compatibility

• BMW 1 Series F20, F21 chassis
• Rear stabiliser bar position
• Bar size: 13 mm only — please measure your rear bar before ordering
• BMW cross-reference: 33356792197

Fitting and support

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

Typical symptoms this cures

• Vague steering and inconsistent rear-end behaviour
• Body roll and instability mid-corner
• Braking wiggle and rear axle movement

Why Powerflex

Powerflex bushes control unwanted movement far better than tired OE rubber, keeping suspension geometry consistent under load. The result is a more precise, confidence-inspiring drive with improved feedback and longevity. Customers consistently report a noticeable improvement in feel and stability, especially on fast road use.

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Upgrade to Powerflex PFR5-1913-13 for a tighter, more controlled drive and long-lasting performance. Order today and feel the difference on every journey.