Yeah fill up and then flash the map. You technically can flash it and drive there if it's a short drive. Just don't go WOT at all. I used to do that on F30 N55 car. BM3 has multimaps now for the m340i I thought? You should be able to just change maps on the steering wheel to that map. I could be wrong I am on ecutek so I am not 100% sure.
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2014 BMW 335i M-Sport - SOLD
2020 BMW M340i - SOLD
2021 BMW X3M
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