I'm with you on most of it. I'm even on MKIII...

I'm pondering options and since I've got DSP, most of them are a pain :
- Upgrade to MKIV and BM54 to get aux input
- Splice into the CD Changer for the aux input and use a silent CD to keep DSP alive.
- Get a Grom Audio box : 250$ excl. delivery
- Upgrade to an android system : 300 to 800$ apparently excl. delivery and its not that simple.
- Go all in with an NBT retrofit : 1200 to 1500$ depending on parts cost and not that simple
- Give up........

Android and NBT are an issue since my sat nav is used to control the axiliary heating (I'm hoping to get a remote but I don't know if it would work without the nav).

I did download more recent maps and burned one on a good quality CD and will see how it holds while driving. I do remeber trying the modified CD with speed cameras a few years back and it did not work well in an MKIV mini nav.

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2002 4.6is silver on black