Originally Posted by Wazbmw135
Anyone know if there is any differnce between model years of the N55? I installed a procede today, and on map 0 it runs fine, but on any other map, the RPMs will not reach above 1,200RPM. I have a 2013 135i, and im wondering if there is something new with the 135i then say a 2011 or 2012?
Sounds like limp mode or something. You should call Procede support and have them walk you through troubleshooting.