Castrol SRF is too baller although I've heard great things about it. With the USD conversion and logistics fees to send it up here would cost way too much. There's only a few track days left with the local PCA and BMW clubs so I think I'll hold out and stick with Motul RBF600 again this time around. I'm going to a PCA track day @ CTMP this weekend and was hoping to flush out the old fluid.
