Not sure about a vibration right under the floor, but I do notice on cold start (left it intact with the software) that my rear parcel shelf/rear glass rattles for a minute or so now that I have the Dinan midpipe.
__________________
Past: E46 330Ci, E60 545i, E60 M5, E90 M3
Present: 2020 M2 Competition, 2022 GT3
|