A knocking or rattling noise from the suspension may be heard when hitting bumps.

Fialed sway bar links sound similar to worn ball joints and other worn suspension components and thus replaced when the other parts are the culprit.

We recommend replacing the stabilizer bar links in pairs.

The average cost for a Stabilizer Bar Link Kit Replacement is between $167 and $201 but can vary from car to car.

The average cost for a BMW 840i xDrive Stabilizer Bar Link Kit Replacement is between $167 and $201 but can vary from car to car.

Estimates last updated January 28, 2026

2020 BMW 840i xDrive Stabilizer Bar Link Kit Replacement Cost

The average cost for a 2020 BMW 840i xDrive Stabilizer Bar Link Kit Replacement is between $167 and $201.

Labor costs are estimated between $73 and $107 while parts are typically priced around $94.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
For a more accurate estimate based on your location, use our Fair Price Estimator below.