SPL Parts BMW F2X/F3X xDrive AWD Adjustable Front Caster Rod Monoball Bushings - Spherical Bearing Tension Strut Upgrade (CRB F3iX)

SPL Parts BMW F2X/F3X xDrive AWD Adjustable Front Caster Rod Monoball Bushings - Spherical Bearing Tension Strut Upgrade (CRB F3iX)

£523.26
£523.26
£550.80
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SPL BMW F2X F3X xDrive Adjustable Front Caster Rod Monoball Bushings

Upgrade your BMW xDrive front suspension with SPL Parts FKS Series Front Caster Rod Bushings for F2X and F3X platform cars. This caster rod monoball bushing kit replaces the soft OEM rubber bush with a low-friction 1 inch spherical bearing, delivering precise steering, sharper turn-in and consistent braking stability. By eliminating bushing deflection and reducing friction, these SPL caster rod bushings maintain optimum suspension geometry under load for serious performance on fast road and track day setups.

If you are searching for BMW F2X F3X xDrive front caster rod bushings, monoball conversion, spherical bearing tension strut bush, adjustable caster rod bush, front lower control arm bushing upgrade or performance caster correction for AWD models, this is the proven solution. Made in the USA, engineered for durability and control, and a favourite with our workshop and customers for transforming steering feel and confidence.

Key benefits

  • Replaces OEM rubber with a motorsport-grade 1 inch FK spherical bearing for zero deflection
  • Improved steering response, feedback and precision on xDrive/AWD models
  • Reduces friction and maintains correct geometry under braking and cornering loads
  • Adjustable caster via CNC machined offset spacers for fine-tuning alignment and front-end bite
  • Built to last with high quality materials and Teflon-lined bearings

Features

  • 6061-T6 aluminium bearing housings with outer knurl for secure fitment
  • 6061-T6 aluminium offset spacers providing +/- 4 degrees of caster adjustment
  • Massive 1 inch FK spherical bearings with self-lubricating Teflon liners
  • Low-friction, articulating design eliminates bushing bind
  • Sold as a pair. OEM arms not included
  • Made in the USA

Compatibility

BMW xDrive/AWD only:

  • All F2X 2 Series models (2010+)
  • All F3X 3 Series and 4 Series models (2011+)

Note: These caster rod monoball bushings fit xDrive/AWD vehicles only.

Who is this for

Ideal for enthusiasts seeking a BMW F2X F3X xDrive caster rod bushing upgrade, spherical bearing front control arm bush, tension strut monoball conversion or adjustable caster solution for better handling, straighter braking and confident turn-in. Perfect for fast road and track day builds.

What you get

  • Pair of SPL Front Caster Rod Bushings with FK spherical bearings
  • Offset spacers for caster adjustment

Fitting and alignment

Professional installation and alignment recommended. For fitting in the UK, choose Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.

Part number

SPL CRB F3iX

Brand

SPL Parts

Why buy from Nforcd

We stock and install performance suspension parts for BMW enthusiasts who want real results. We have used this SPL caster rod monoball kit on customer cars and feedback has been excellent for steering feel, stability and confidence. Buy with confidence from a team that understands BMW handling upgrades.

Common search terms

BMW F2X F3X xDrive front caster rod bushings, SPL caster bush, monoball bushings BMW, spherical bearing front control arm BMW, tension strut bushing upgrade, adjustable caster bush BMW 2 Series 3 Series 4 Series, F2X F3X front suspension upgrade, AWD xDrive caster correction.