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There is a lot of noise that comes in via the suspension. I have done just about everything as far as cabin treatments go. When I hit a rain puddle, you can barely hear the water spray. But, you hear every bump and defect in the road. Rough pavement is still loud. You can feel the vibrations. I drove my dad's minivan the other day and it was a lot quieter over rough roads.
Wind noise isn't that big of a problem. It's there, but not horrible. It's more the road noise that is causing issues for me.
Yeah, my wife's Kia Optima is a dream to drive, smoother, and really quiet. The M3 is almost bouncy over dips and bumps in the road, and it has a longer wheelbase.There is a lot of noise that comes in via the suspension. I have done just about everything as far as cabin treatments go. When I hit a rain puddle, you can barely hear the water spray. But, you hear every bump and defect in the road. Rough pavement is still loud. You can feel the vibrations. I drove my dad's minivan the other day and it was a lot quieter over rough roads.
This is the rubber seal that I used: https://www.amazon.com/gp/product/B07S7P5P51/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1What are the trunk seals you mention?
... the sound level measurement I got is about 72dbA at 72 mph on a freeway. When the car is stationary, the sound insulation from outside is much better.
I did the rear area, rear trunk lid, and under the frunk area sheet metal area for the floorboard area and side fender area... with sound deading matting.
I did the rear area, rear trunk lid, and under the frunk area sheet metal area for the floorboard area and side fender area... with sound deading matting.
But what's so different in the suspension of the Model 3 compared to virtually all other cars which are quieter?
The video was taken when I was in the freeway. If the car is stationary such as waiting at the traffic night, the sound level is between 40-60 dBA.Wait, are you comparing noise levels in a car on the freeway to one sitting stationary? I must have missed something.
It's not just the lack of engine though. There is significantly more road noise from the tires/ground. And it changes as the quality of the pavement changes. On a nicely paved road it's fine. On sh*tty snow plow scraped pavement it's really loud. My BMW was definitely a lot quieter for whatever reason. In fact I remember reading that on my particular car (2016 340i) they actually pump some engine noise into the cabin via the speakers because otherwise you can barely hear it and people actually like the sound of an engine in a performance car.
The Model 3 sounds more like my Sister's Toyota. on the highway.
Did it help?