Powerflex
Powerflex Road Series PFF5-2201 Polybush Kit - Front Tension/Radius/Thrust (Caster) Arm to Chassis Bush - BMW X3 F25 2009-2017 & X4 F26 2013-2018 - Polyurethane Front Lower Control Arm/Wishbone Rear Bushings - Replaces BMW OE 31106786951
Powerflex Road Series PFF5-2201 Polybush Kit - Front Tension/Radius/Thrust (Caster) Arm to Chassis Bush - BMW X3 F25 2009-2017 & X4 F26 2013-2018 - Polyurethane Front Lower Control Arm/Wishbone Rear Bushings - Replaces BMW OE 31106786951
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Powerflex PFF5-2201 Poly Bush Kit for BMW X3 F25 and BMW X4 F26
Transform the front-end feel of your BMW X3 or X4 with this Powerflex PFF5-2201 polyurethane bush kit. Designed for the front axle tension strut to body mount also known as caster arm, thrust arm or radius rod this upgrade tightens steering precision, improves stability under braking and keeps geometry consistent for confident, repeatable handling on UK roads.
If your steering feels vague, you notice shimmy or tramlining, or you are seeing uneven tyre wear, these uprated poly bushes are a proven fix. We fit these on customer cars at MJ Modifications and feedback is consistently excellent sharper turn in, calmer front-end behaviour over bumps and better braking feel without the harshness of solid mounts.
Why this upgrade works
- Polyurethane construction resists deflection far better than ageing rubber which means truer alignment when cornering and braking
- Improves steering response and on-centre feel for a more connected drive
- Helps reduce wheel shimmy and tramlining by controlling arm movement
- Can reduce irregular tyre wear which saves money over time
- Durable and resistant to oil, salt and road grime for long service life
- Direct replacement for the original bushing with no permanent modification
Vehicle fitment
- BMW X3 F25 2009 to 2017
- BMW X4 F26 2013 to 2018
Location on car: front axle caster or tension strut rear bush to chassis sometimes called lower wishbone rear bush or thrust arm bushing.
What you receive
- 2 x bushes full front axle pair for one car
Part numbers
- Powerflex part number: PFF5-2201
- Replaces BMW OE part number: 31106786951
Installation and support
Professional fitting recommended. For expert installation by MJ Modifications in Warwickshire request a quote at info@mjmodifications.co.uk. A wheel alignment is advised after any suspension work.
Download the official Powerflex fitting guide
Fitment check before dispatch
We will verify compatibility before shipping. Add your UK registration or the last 7 digits of your VIN at checkout for a quick confirmation.
Search terms customers use
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