05-25-2023, 07:52 PM | #1 |
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Derlin and Poly subframe/diff bushing NVH question
F22 M235i owner here- I recently upgraded both subframe and diff bushings to Delrin and although it rides on rails now, the whining noise from the diff is too much. Wondering if going to ECS 95 poly diff bushings will eliminate the whining sound or if it's being transferred from the subframe as well and changing out the diff bushings simply won't help. Any advice?
Last edited by Potty Mouth; 05-26-2023 at 05:23 PM.. |
05-25-2023, 09:42 PM | #2 |
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You could always swap just the diff bushings back to OEM and leave the Delrin ones in the subframe, as they will be the most beneficial for handling if that is the main aim of using solid bushings, assuming NVH from a suspension perspective is acceptable.
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