SPL Parts 04-19 BMW 3 Series/4 Series (E9X/F3X/F8X) Rear Lower Control Arm Knuckle Bushing

SPL Parts 04-19 BMW 3 Series/4 Series (E9X/F3X/F8X) Rear Lower Control Arm Knuckle Bushing, manufacturer part number SPL RLCB E9X, is a vehicle-specific suspension bushings component. Match the exact part number, application, mounting position, adjustment purpose, and included components before ordering.

Key Features

• Replacing the OEM component with this bushing will allow for less deflection under heavy load, and less bind as the arm travels through its suspension.
• The housing for the bearing is machined out of 6061-T6 aluminum and is CNC cut to +/-.001" tolerance to insure proper fitment.
• These Rear Lower Control Arm Knuckle Bushing replace the rubber factory bushing attaching the lower control arm to the knuckle with a low friction teflon-lined spherical bearing.
• We use the largest possible FK bearing in this location for increased longevity and lower NVH.

Fitment

Specifications

What's Included

One new SPL Parts suspension bushings item identified by manufacturer part number SPL RLCB E9X. Hardware and companion components are included only when expressly stated by SPL Parts.

About SPL Parts

SPL Parts designs and manufactures precision suspension components for street, track, and motorsport alignment applications. Product selection must follow the current manufacturer application and installation information.

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Frequently Asked Questions

How do I confirm SPL Parts SPL RLCB E9X fits my vehicle?
Match the full year, make, model, mounting position, suspension configuration, and every current manufacturer application note. Do not use a chassis or engine code as the vehicle model.

Is an alignment required after installation?
Yes. Any suspension or steering geometry change must be followed by a complete professional alignment and clearance check.

What should be inspected during installation?
Inspect related bearings, bushings, joints, fasteners, mounting surfaces, wheel and tire clearance, and the current SPL installation instructions.

Installation

Follow the current SPL Parts instructions for manufacturer part number SPL RLCB E9X. Confirm component orientation, adjustment range, clearances, fastener condition, torque specifications, and final alignment settings before driving.