Couldn't have said it better myself. I used it on my P5 at 78k and there wasn't much smoke. did the whole shebang too. 1/3 in the tube, 1/3 in the tank, and 1/3 in the oil. Shut off, rev a bit, drive on the freeway, hard acceleration for 10 minutes, then change the oil. Didn't make much of a...