Quoted from the link below which is packed with test results and in great depth information on this topic.
https://www.m3post.com/forums/showthread.php?t=1337998
"But the resulting oil flow is nearly double with BE Bearings over the BMW 702/703 bearing counterparts. Having double oil flow over the bearing surface
increases the wedge strength and keeps the bearings cooler. The results with BE Bearings seems to be a huge win, much bigger than any of us expected."