Improve rear subframe support with the SuperPro SPF3946K rear subframe mount bushing set. Designed as a durable replacement for the original equipment differential mount bushing, this kit addresses the low service life commonly associated with the factory component while providing dependable performance for street-driven BMW applications. SuperPro engineered this part for straightforward installation and long-term service life without adding unwanted cabin noise.
The SPF3946K bushing set helps maintain proper rear subframe control under acceleration, braking, and cornering. Its durable construction is designed to resist wear and maintain consistent support, helping restore driveline response and chassis stability when worn or deteriorated original bushings are affecting vehicle performance. The result is a practical suspension upgrade that supports confident handling while preserving everyday driving comfort.
This SuperPro rear subframe mount bushing set fits select BMW models, including the 2006 BMW 325i and 330i, 2007 and 2008 BMW 328i, 2009 BMW 128i, 328i, and 335d, 2010 BMW 128i, 328i, and 335d, and the 2011 BMW 1 Series M Base. Verify vehicle year, model, and application before ordering to ensure proper fitment. The kit includes one complete set and is identified by SuperPro part number SPF3946K.
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