5thZ
Well-Known Member
It's interesting because you'll see very different graphs from AMS, Sonic (in my humble opinion the leading tuners for the new Z) than Z1.
Here's an example, with E60 and VRX70 turbos. It doesn't look like it lacks much if at all. Courtesy of Instagram about 20 minutes ago
Here's an example, with E60 and VRX70 turbos. It doesn't look like it lacks much if at all. Courtesy of Instagram about 20 minutes ago