Get the DP. BMW replaced my turbos pre DP and it was louder than ever... went ahead and got the DP anyway, When I installed the DP my waste Gate rattle was much louder, but I was lucky enough the shop who installed the DP was able to fix the rattle with a shaved down E clip so there would be more friction and little movement for rattle. I am blessed, I love the way my car sounds with no rattle
