Here'* a pic of the ZZperformance SC coupler for the M62 and M90. For reference, the other pulley (with the eye in the middle) is the slightly oversized idler pulley from ZZperformance. That coupler is pretty small.
did everyone notice this fine performance part is GREEN?
That'* the only reason I'm doing it! Hard to believe, I know, but I figured it was time to take one for the team myself. There'* about 4 or 5 members that may have couplers going out. Besides, I need dimensions of the lower intake in order to build my intercooler