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Originally Posted by broknlgs24
scottie - don't u mean that the upgrade is done through the OBD?
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nope don't think so. Superchip is done by going into your ECU and
NOT via the OBD - port. am I making any sense yet.
well at least that is how they upgraded my X5
it is always best to get a remap done via the OBD port.

I would suggest anyone with a X5 to go down the road of a MTH file you buy the cable and software you download your ECU settings and e-mail to MTH in Germany they tweak them send them back to you and you upload back into your ECU which means you have boths files on your computer and you can return your car back to standard takes about 3 mins to do and is ideal when the car is due in at the dealers for any work also should they overwrite your upgrade no worries you just upload it again when your back home.
Costs about £600 GBP but they defo do the X5 as I asked I have the MTH on both my Mini's