Sat Nav MKIV Very Strange Question?

[brucemillar]

Well it was/is not inside the unit!!. But it did give me the opportunity to clean the laser with Isopropyl and my air line.

My madness is confirmed. I have somehow managed to completely lose a Genuine BMW Map Disc, that I had in the car and in my hands?

I needed this to prove my theory that copied discs cause errors and do not read correctly as well as cause the nav to freeze on the buttons.

I have also read that using hacked discs with Speed Camera's etc can cause the same issues.

I have now gone back to V25 Firmware with No TMC Maps and No Speed Camera's but still on copied discs. I shall update on my findings.