Hi all,
Newbie here so apologies if it has been covered but I can't find it anywhere.
I have a mark 5 gti that current has a stage 1 remap installed. I have since looked into replacing the stock head unit with a satnav touch screen unit but have been told by a sales rep at a tuning firm that it will mess with the remap when I try to install it! So am I stuck with the oem unit as I don't want to mess up the remap.
Cheers
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