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Message: <blockquote data-quote="Sungazer" data-source="post: 7589" data-attributes="member: 4552"><p>When I was shopping around for a UDM last week... one of the used car salesman told me that a bmw's trip meter can be 'manipulated' so don't always believe what you see!I said, the mechanical trip meter can be adjusted by just attaching it to a screw and run it backwards... but for computers, how to adjust??and he said, "with the appropriate computers".so, I want to know, how true is this? and how widespread is it? if true, can AB spot that the trip meter has been tempered with? what about the other specialists? can they spot a tempered meter?Thanks a lot guys.</p></blockquote><p></p>