2Addicts | BMW 2-Series forum - View Single Post - Derlin and Poly subframe/diff bushing NVH question

Potty Mouth · 05-25-2023, 07:52 PM

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?

05-25-2023, 07:52 PM	#1
Potty Mouth Quicker than they think 0 Rep 13 Posts Drives: 2016 BMW M235i Join Date: May 2021 Location: East Coast iTrader: (0)	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..
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