You'll Find each piggyback and flash tuning solutions accessible for the N55 and the decision on which tune to operate is completely individual choice. We gained’t include the intricacies of N55 tuning here, but We've got published committed N55 tuning guides about each BM3 and MHD N55 flash tune choices https://www.thesims3.com/myBlog.html?persona=turbo55pro&showBlogMasterPopup=false