New rear subframe bushings can make your BMW feel a lot more planted, especially in high power builds. Upgrading to poly or solid will lessen deflection, making you feel more connected to the road and giving you, the BMW enthusiast, a more refined driving experience.
When differential bushings begin to fail, drivetrain noise and vibrations increase. The vehicle can feel unstable when cornering and difficult to drive under normal conditions, leading to premature tire wear caused by misalignment, as well as placing stress on other suspension components and reducing overall service life. A new differential bushing can drastically increase the vehicles handling and help to prevent damage to other suspension components.
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