IB DinanS2++ e60m5 6MT, Dogleg s38b38 e28m5 TT/ST3, e30 TT/ST4
^This 100%.With the swap you keep your car that you know is sorted and doesn't have the negatives (title/paint) you mentioned, the only unknown is a new (used) transmission you'd be swapping in. You could in theory use that swap time to install new clutch etc. with the 6MT so that it will give you thousands of miles of happiness once installed. Should you ever decide to get out of the E60 your unbranded title car would have you in a better spot.