Jypsie, it IS relevant. 007 wants to know pro:s and cons:s with 35i and 35d. The Klappenshalldämpfer is unique for X4 35i, and to my mind a selling feature.
He had obviously not seen my lowering, so I added that as an additional tip
Since you claim to have a 3-d Carbon Black, I would like a picture of that.