I think we used E30 axles for WorldPac. I've been running my diff for 1 1/2 years with no problems. The car will be on the lift tomorrow for an 02 sensor so I will take a closer look. That is with probably 8 or 10 weekends at the track. I don't know if being a Quaife matters. __________________ ...steven BMW CCA #146825 1996 BMW 328ti • 2003 MINI Cooper S • 2016 M235i www.bmwcca.org |