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      03-19-2020, 12:28 AM   #16
projekt7
hoonigan
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Drives: 17' M3 ZCP
Join Date: May 2014
Location: Canada

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Picked up my M340i w/ adaptive suspension a couple days ago. Noticed the same extra motion going over speed bumps. After the wheels have gone over the speed bump, the suspension 1) compresses smoothly, 2) rebounds smoothly, and then 3) compresses jaggedly again before settling. The third motion is the issue here.

Initially I thought it was just underdamped, leading to the unwanted third motion, but it's not. The third motion feels too sudden - almost like the electronic dampers are overreacting near the end of the rebound stroke and trying to slow it down too abruptly.

I'm on software version 03.2020.30

Last edited by projekt7; 03-19-2020 at 10:25 PM..