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Originally Posted by Sonic ZS
Did Rover ever acknowledge or officially explain the on-board diagnostics procedures anywhere ?
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It was originally a BMW system that was adapted to the 75/ZT. I doubt MGR knew very much about it. In fact some of the functions described in the BMW routines don't work the same in our version. I don't think it was designed for owner use, but rather an in-house servicing aid in parallel with T4..
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If not, I'm just wondering how anyone ever found this functionality?
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I produced the How To write-up the hard way. By testing each step against the original BMW docs and experimenting. So it's all trial and error and the reason why we'll only refine our understanding by doing the work.
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Is it mentioned in the workshop manuals anywhere?
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Nobodby's ever mentioned it. Maybe nobody's looked? Have you got a RAVE disc?
TC