Quote:
Originally Posted by khj24
I have an m235 and have been meaning to post about issues that seem similar to yours. When on bumpy/uneven roads at low speeds I get a rumbling noise almost resembling a bad wheel bearing(blown strut noise is also a good comparison), but the car feels completely fine.
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I have this in the 2017 I just got. I had this in my 2013. There wasn't anything wrong other than the noise. Blown strut or upper mount bearing is the perfect "description". Happens on quick bumps, expansion joints. I'm pretty sure it's the runflats (and maybe overall design) as I did have them check out the 2013 pretty extensively. Play with tire pressure a little if you have the time. If I increased it a bit, the sound changed. I haven't played with pressures on the new one yet, but same wheels and tires.