SPL Parts BMW F2X/F3X Rear Toe Links & Eccentric Lockout Kit - Adjustable Toe Control Arms/Rods/Adjusters | F22 F23 F30 F31 F32 F33 F36 2/3/4 Series - Aluminium Links, PTFE Spherical Bearings, Titanium Hardware - Rear Alignment/Tracking Upgrade

SPL Rear Axle Alignment Kit for BMW F2X and F3X Platforms

Dial in rock-solid rear geometry on your BMW 2 Series, 3 Series and 4 Series with SPL’s precision rear axle solution. This performance kit replaces the flexible factory control assemblies with lightweight aluminium link bars and PTFE-lined spherical joints, giving you accurate, repeatable toe settings and eliminating the slop that robs stability and traction. Ideal for fast road builds and track day cars that demand consistent handling and tyre-friendly alignment.

We have fitted these components on our own cars and many customer vehicles, and the transformation is immediate: sharper turn-in, more confidence on corner exit, improved straight-line stability and reduced edge wear once properly aligned. If you are chasing dependable rear-end grip and easy on-car adjustment, this is the upgrade you want.

Why enthusiasts choose this kit

• Locks rear geometry under load to keep the car planted through bumps and kerbs
• Wide adjustment window makes precise setup simple on lowered cars and coilover builds
• Helps cure uneven tyre wear with stable, repeatable settings
• Deletes factory cams using lockout plates for a set-and-forget alignment
• Smooth, quiet spherical movement for consistent response without binding

Technical highlights

• Gun-drilled 2024 aluminium main bars for high strength with minimal unsprung mass
• 6061-T6 aluminium rotating clamp design for quick, precise on-car adjustment
• Low-friction 3-piece PTFE-lined FK spherical bearings for durable, quiet articulation
• Titanium socket head cap screws with blue anodised finish
• 6061-T6 aluminium lockout washers replace factory eccentrics for true geometry control
• Supplied with Grade 10.9 hardware and lock nuts for secure installation
• Liner operating temperature approx. -54°C to 163°C
• Manufactured in the USA

What’s in the box

• 1 pair of SPL rear alignment link bars for BMW F2X and F3X chassis
• Eccentric cam delete plates and all required mounting hardware

Vehicle fitment

BMW 2 Series, 3 Series and 4 Series on the F2X and F3X platforms:

• F22, F23 2 Series
• F30, F31 3 Series Saloon and Touring
• F32, F33, F36 4 Series Coupé, Convertible and Gran Coupé

Real-world gains

Expect a more connected rear end that holds your chosen alignment over hard braking, compressions and high-speed sweepers. The rigid construction resists deflection, so your setup stays where you set it, delivering predictable balance and better traction when you put the power down. Perfect alongside performance springs, coilovers and upgraded rear camber arms.

Fitting and alignment

Professional fitting and a proper four-wheel alignment are strongly recommended. For installation and geometry setup, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Part number

SPL RTAEL F3X

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