For those that have followed my horrible past year with this car, here is what should be the final installment. For those unaware, here is a good piece of bathroom reading to get you up to speed: http://www.bimmer.info/forum/showthread.php?t=16189
I picked up the car today from the shop and its running great. I also got to take back my original cam as a sort of keepsake. The following pictures illustrate a 4K mile reground cam after being oil starved due to a clogged cam spray bar.
Note the nice smooth top of the lobe in the first pic. That same lobe rotated is in the second pic. Note the beautiful (NOT) scoring and the prominent lip.