BMW 3-Series (E90 E92) Forum - View Single Post

ign335i · 12-03-2012, 11:06 PM

It depends on how much boost you are running and at what RPM. I would say 15psi and below DPs are better, past 15psi it is worth it. I wouldn't bother if you're only running Map 1.

12-03-2012, 11:06 PM	#21
ign335i Second Lieutenant Drives: 335i e92 Join Date: Nov 2012 Location: CA Posts: 251 iTrader: (1)	It depends on how much boost you are running and at what RPM. I would say 15psi and below DPs are better, past 15psi it is worth it. I wouldn't bother if you're only running Map 1.