You will find both piggyback and flash tuning options readily available for the N55 and the decision on which tune to run is fully private desire. We won’t include the intricacies of N55 tuning listed here, but We've published focused N55 tuning guides about both equally BM3 and MHD N55 https://www.chiguu.com/articles/%E0%B8%A2%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%94%E0%B8%B1%E0%B8%9A%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%93%E0%B9%8C%E0%B8%AD%E0%B8%AD%E0%B8%99%E0%B9%84%E0%B8%A5%E0%B8%99%E0%B9%8C-%E0%B9%80%E0%B8%AB%E0%B8%95%E0%B8%B8%E0%B8%9C%E0%B8%A5%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B9%81%E0%B8%9E%E0%B8%A5%E0%B8%95%E0%B8%9F%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%A1%E0%B8%84%E0%B8%B8%E0%B8%93%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%AA%E0%B8%B9%E0%B8%87%E0%B8%8