No they don't, they only make rear shocks for the xi, they do not make fronts. You can run these in the back and stocks in the front but the Koni yellows won't fit up front.
Dinan offers this set up for 335's only. Must be a reason they don't offer for 328.
Current: 2015 Audi A6 3.0T
Gone but never forgotten: 2009 E90 LCI M Sport