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Millway Motorsport

Millway Motorsport BMW 1/2/3/4 Series F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 Front Wishbone/Lower Control Arm Inner Bushings - Sealed Uniball Spherical Bearings, CNC Aluminium - Pair - Fits M140i M135i M240i 330i 340i 440i - MW90510

Millway Motorsport BMW 1/2/3/4 Series F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 Front Wishbone/Lower Control Arm Inner Bushings - Sealed Uniball Spherical Bearings, CNC Aluminium - Pair - Fits M140i M135i M240i 330i 340i 440i - MW90510

£239.63
£247.00 £239.63
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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.

BMW F2x F3x Front Arm Inner Joint Upgrade by Millway - Part No. MW90510

Transform the front-end of your F-series BMW with Millway’s front arm inner joint kit. This monoball conversion replaces the soft OE rubber inner mount on the lower front arm with precision spherical bearings housed in CNC-machined alloy carriers. The result is laser-sharp steering, rock-solid geometry control under braking and cornering, and confidence-inspiring feedback on fast road and track.

If you have ever felt vague turn-in, wandering under heavy braking or inconsistent mid-corner grip, this kit is the fix. The weather-sealed spherical design keeps out grime and moisture while delivering the direct, immediate response enthusiasts want. It is a serious handling upgrade and an excellent alternative to polyurethane bushes for drivers chasing precision without constant maintenance.

  • CNC-machined aluminium housings with sealed spherical monoball inserts for long-term durability
  • Direct replacement for the OE inner mount on the front lower arm - no cutting or welding
  • Significantly reduces bushing deflection to keep toe and caster stable under load
  • Sharper initial bite on turn-in, improved braking stability and clearer steering feel
  • Supplied as a matched pair

We run this setup on our own builds and our customers consistently report a big step forward in precision, confidence and lap-to-lap consistency. It is a proven path to a crisper, more communicative front end.

Vehicle compatibility

BMW 1 Series F20 F21

  • 114d, 116d, 116d ed, 116i, 118d, 118i, 120d, 125d, 125i, M135i, M140i

BMW 2 Series F22 F23

  • 218d, 218i, 220d, 220i, 225d, 228i, M235i, M240i

BMW 3 Series F30 F31 F34

  • 316d, 316i, 318d, 318i, 320d, 320i, 325d, 328d, 328i, 330d, 330e, 330i, 335i, 340i

BMW 4 Series F32 F33 F36

  • 418d, 418i, 420d, 420i, 425d, 428i, 430d, 435d, 435i, 440i

Why enthusiasts choose this front arm inner joint kit

  • Fast-road and track-day ready with crisp steering response
  • Monoball bearing conversion maintains alignment under heavy load
  • Ideal for M Performance models including M140i, M135i, M240i, 330i, 340i, 440i
  • Reduced tramlining from unwanted bush flex and improved on-centre stability

Fitting and alignment

Professional installation recommended. For expert fitting and geometry setup, book with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk. A four-wheel alignment after installation is advised to maximise results.

Compatibility check before dispatch

We will confirm fitment prior to shipping. Add your UK registration or the last 7 digits of your VIN at checkout for a quick verification.

Part number

MW90510

Manufactured by

Millway Motorsport

Search terms customers use

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