I am thinking on buying this from EBay for my F57 1.5 to help with fuel economy and maybe add a few BHP. On the internet as usual you get the good & the bad, thought I would ask you guys on your views as Minis is our thing!!
Chip Tuning Box for MINI Cabriolet F57 Cooper 136 HP Power Boost Petrol GS2:
https://www.ebay.co.uk/itm/354527454110



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as Ali has said JB4 are good and you can upgrade and use your phone
although never as good as a remap

