Thank you for your response. It's an internal PDF from the "BMW Technial Services" that has me worried.
Here's an excerpt from the file:
Quote:
SITUATION
With the introduction of navigation system operating software V27, there are currently 2 valid versions of navigation software.
Navigation system operating software V17.1 is used on MK III systems 1. without "Split Screen".
Navigation system operating software V27 is used on MK I, MK II, all other MK III navigation systems, MK IV DVD navigation systems on I-Bus vehicles, NAVI01, NAVI02 and NAVI03.
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For this reason I'm worried if all will go well....