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'11 E88/N55 DCT MHD Stage 1/1+
New to 1Addicts & MHD, but not to the 135. Recently replaced my '09 E82/N54 with an '11 E88/N55 DCT. The vehicle is as stock as the day it came off the line. I've applied the Stage 1 w/DCT tune with OEM Cat checked (no other options). Vehicle is much more responsive, the DCT lag is gone, and the well-known RPM drop/surge on stop in traffic w/AC on is also gone. Incredible.
I was wondering whether it is advisable to apply the 1+ tune without an upgraded IC? These come with the smaller OEM FMIC, and is that sufficient for 1+ in daily city driving conditions, with the occasional pop of the throttle to get away from laggards and trouble?
The next mod would be an aftermarket DP, but since they still do emissions in Nashville, what is advisable to keep it on the street? At that time I'd probably do the CP as well.
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