E89 Z4 35i adaptive M suspension squeaks
I have a 35i with the adaptive suspension option. With the roof down driving around town at slow speeds I have noticed that the suspension permanently squeaks when set in Normal mode. If I stiffen the suspension to sport mode the squeak improves and then disappears completely in sport+ setting. The car has been back to my dealer who replaced the front suspsension struts under warranty, but this didn't fix the squeak, it's exactly the same. The car has also been tested with the anti roll bars detached and this makes no difference ie squeak remains.
Anyone else with the adaptive suspension option noticed this squeak? - you need to be in a built up area with roof down and ideally windows down (walls reflect the squeak back into the car so you hear it only in built up areas). We only really use the car for driving holidays so it is used with the roof down most times so this is quite annoying!
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