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Message: <blockquote data-quote="perterra" data-source="post: 3169042" data-attributes="member: 103709">Similar to what I read in an article once on BMW autos back in the mid 80's. They had no numbers on the oil pressure gauges at the time, the preceding year had number designations on the gauges. When asked why they removed them, they said it was because all the different owners who got together and compared their cars to each other. If one car registered 45 psi oil pressure at 3000 rpm and another registered 42 psi, the one whos car registered 42 would be sitting at the dealership Monday morning demanding warranty make it right. Regardless if it was within specified range, it was an ordeal.This was pre-internet, have to be a lot worse now</blockquote>