What is the benefit of adjustable caster?

Adjustable caster allows you to fine-tune your suspension alignment. This can improve steering stability at higher speeds and enhance cornering grip, giving you more control over the vehicle.

What exactly is included in this kit?

This kit is sold as a pair and includes the adjustable front caster rod monoball bushings with FK Racing Bearings and offset spacers. The original equipment manufacturer (OEM) caster rods themselves are not included.

How do these monoball bushings compare to stock rubber bushings?

Stock rubber bushings are designed for comfort and isolation, but they can flex under load. Monoball spherical bearings offer much less deflection, leading to a more direct connection between the wheel and chassis, which improves handling precision and feedback.

SPL Parts Adjustable Front Caster Rod Bushings SPL CRB E9X

Name: SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Adjustable Front Caster Rod Monoball Bushings
Brand: SPL Parts
Price: 499.39 USD
Availability: InStock

SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Adjustable Front Caster Rod Monoball Bushings

$499.39

In Stock

SPL Parts adjustable front caster rod monoball bushings for 06-13 BMW 3 Series/1 Series (E9X/E8X). Improves braking and handling feedback.

Key Features

Fits 2006-2021 BMW models including 1 Series, 2 Series, 3 Series, and M variants.
Replaces stock rubber bushings with low-friction spherical bearings to eliminate deflection.
Maintains optimum suspension geometry under load for improved braking and handling feedback.
Features 1-inch FK Racing Bearings with self-lubricating Teflon liners for performance and durability.
Includes CNC machined offset bearing spacers for +/- 2 degrees of caster adjustment.
Proudly made in the USA.

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Will this fit your vehicle?

Product Details

SPL Parts is known for making well-built suspension components that help drivers get the most out of their cars. If you're looking to improve the feel and responsiveness of your BMW's front end, these adjustable front caster rod monoball bushings are a solid option. They replace the stock rubber bushings with low-friction spherical bearings, which helps keep your suspension geometry stable under load. This means you'll notice improved braking performance and more direct feedback from the road.

These bushings use large, 1-inch FK Racing Bearings with self-lubricating Teflon liners, built for serious use and durability. The real trick here is the CNC machined offset spacers that allow you to adjust your caster by +/- 2 degrees. Getting the alignment dialed in just right can make a big difference in how your car handles, especially during hard braking or cornering. These are made in the USA and sold as a pair.

This kit is designed to fit a range of BMW models, including popular choices like the 2008-2013 128i and 135i, as well as the 2007-2013 328i and 335i. Keep in mind that the OEM arms themselves are not included with this kit.