Dyno Thread Link - https://f80.bimmerpost.com/forums/showthread.php?t=1384960 Pure dyno tested at 632whp in 2014 and have since tweaked and tuned the turbos to unleash over...
Dyno Thread Link – https://f80.bimmerpost.com/forums/showthread.php?t=1384960 Our new STG2+ upgrade turbos are here to push the envelope even further. Almost 130whp gain PS2+ vs. PS2...