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Re: 1993 525iA with no OBC..just a plain clock/dat (archive)

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Posted by Tim Gundlach on November 22, 2000 at 14:53:20:

In Reply to: 1993 525iA with no OBC..just a plain clock/date?? posted by Kiser on November 22, 2000 at 14:11:13:

My 525 has a plain clock that only performs three functions:


Does anyone know if I can upgrade it to the On Board Computer without any major problems? Can I just buy a OBC and plug it right in to the existing spot or is it more complicated than that?

Thanks in advance,


I was at the BMW dealer last week. I only have the clock, also, but one of the elements is burned out which means it is difficult to tell the difference between a 5 and a 9. The BMW parts man told me that I COULD NOT replace the clock with an OBC; that the car was not wired for it. I would be interested to know if anyone else has better knowledge. Also, I was told that I couldn't fix the bad element and I would have to buy a new clock for $250. That's why I asked about the OBC.


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