Powerflex
Powerflex PFF5-1401 Poly Front Thrust/Radius/Tension Strut Bushes, Forward Lower Control Arm to Chassis/Subframe, BMW X5 E70 (2006-2013) & X6 E71/E72 (2007-2014), Wishbone/Caster Arm Bushing Upgrade, Replaces 31106778015 31126773949 31126773950
Powerflex PFF5-1401 Poly Front Thrust/Radius/Tension Strut Bushes, Forward Lower Control Arm to Chassis/Subframe, BMW X5 E70 (2006-2013) & X6 E71/E72 (2007-2014), Wishbone/Caster Arm Bushing Upgrade, Replaces 31106778015 31126773949 31126773950
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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BMW X5 E70 and X6 E71 E72 Front Lower Control Arm to Subframe Poly Bush Kit - PFF5-1401
Refresh the front end of your BMW with this polyurethane bushing kit for the forward lower arm to chassis mount. Part number PFF5-1401 replaces the soft OE rubber at the pivot point of the front lower arm, tightening up steering feel, improving braking stability and keeping alignment more consistent under load. Ideal for daily driving and fast-road use, it delivers precision without harshness.
If you are hunting for BMW E70 front arm bushes, E71 caster arm bushes, E72 wishbone bushing kit, forward lower control arm rear bush, front axle control arm mounts, subframe arm bushings or a PU bush upgrade for X5 and X6 models, this is the solution enthusiasts choose for durability and handling confidence.
Key benefits
- Crisper steering response with better on-centre feel
- Improved geometry control under acceleration and braking
- Helps reduce unwanted arm deflection and tyre scrub
- Polyurethane construction for long service life
- Road-focused compound balances control with cabin comfort
Vehicle coverage
- BMW X5 E70 2006 to 2013
- BMW X6 E71 2007 to 2014
- BMW X6 ActiveHybrid E72 2008 to 2011
OEM cross references
- 31106778015
- 31126773949
- 31126773950
What you receive
2 x bushes. You will require 2 bushes per car.
Performance focus
Compared with ageing rubber, these polyurethane mounts significantly limit movement at the front arm to chassis connection. Expect steadier alignment, more predictable cornering and a more connected feel through the wheel.
Diagram reference

Reference No. 1
Fitting service and setup
Professional installation is recommended and a wheel alignment check is advisable after fitment. MJ Modifications offers fitting at our workshop in Warwickshire. For a quote, email info@mjmodifications.co.uk.
Installation guide: Download PFF5-1401 instructions
Fitment check before dispatch
We will confirm compatibility before shipping using your UK registration or the last 7 digits of your VIN. Enter your vehicle details at checkout for a quick verification.
Why buy from MJ Modifications
We have installed these bushes on customer cars and our own builds, and feedback from X5 and X6 owners has been excellent. Drivers report a tighter, more confidence-inspiring front end with improved stability on British roads. If you want a dependable suspension refresh that feels great every day, choose PFF5-1401.
Part number
PFF5-1401
Search terms to help you find the right kit
BMW E70 front control arm bushing kit, X5 front arm to subframe bushes, E71 caster arm bush upgrade, X6 front wishbone bushes, polyurethane bush set front axle, PU bushes BMW X5 X6, forward lower arm mount bushing, front arm rear bush, BMW suspension arm bushes, control arm pivot bushes, chassis mount bush kit, PFF5-1401 bush set, replacement for worn front arm bushings, BMW X5 E70 suspension upgrade, BMW X6 E71 E72 poly bush kit.
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