This kit replaces the forward differential mount bushings – known as the pinion mount bushings. The OEM units are soft rubber and break down fairly quickly with that wear accelerated the harder they are used. The worn bushings allow more movement of the rear differential under changing loads. This can initially be felt behind the wheel as slower and sloppier responsiveness, and as the OEM bushings near the end of their life or fair it can be accompanied by noise, vibration and secondary movements under changing loads – especially as you get on the gas and come back off of it. SuperPro’s differential mount upgrades maintain OEM levels of noise, vibrations and harshness isolation in the cabin so your car maintains the new factory levels of comfort. At the same time performance is significantly improved with the differential more accurately located under a wider range of conditions and the service life dramatically improved with our materials maintaining peak performance throughout their life rather than slowly softening and degrading like natural rubber.
Fitment:
BMW 323Ci Base 2000
BMW 323i Base 1999 to 2000
BMW 325Ci Base 2001 to 2006
BMW 325i Base 2001 to 2005
BMW 328Ci Base 2000
BMW 330Ci Base 2001 to 2006
BMW 330i Base 2001 to 2005
BMW Z4 2.5i 2003 to 2005
BMW Z4 3.0i 2003 to 2005
BMW Z4 Coupe 3.0si 2006 to 2008
BMW Z4 M Coupe 2006 to 2008
BMW Z4 M Roadster 2006 to 2008
BMW Z4 Roadster 3.0i 2006 to 2008
BMW Z4 Roadster 3.0si 2006 to 2008
BMW Z4 sDrive28i 2012 to 2016
BMW Z4 sDrive30i 2009 to 2011
BMW Z4 sDrive30i 2019 to 2021
BMW Z4 sDrive35i 2009 to 2016
BMW Z4 sDrive35is 2011 to 2016
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