Bros...was flipping through an old hypertune when there were doing the white Bimmer project...i believe it is a 328i....anyways, the first thing that was done after an overall suspension revamp was to flush the engine with a host and some chemical...was wondering if it advisable, more true if this was the first time meh? or doesnt make much of a difference...ok maybe slightly but whats the advantage? kinda thinking of doing it before my engine oil replacement...