Thanks Smokey. I found the same article and just as you have done research I've been at it for a few weeks. Same conclusions broadly. I did have a chat with SouthernBM and they can do the remap for a much higher price than Bluefin.

I actually ended up getting the bluefin and am in the process of reading the current ECO file. But getting an error E008.

Will keep you posted. So far support from Peter at Peter James Tuning (Tigersoft) has been excellent. Hopefully my initial issue is not a big one and I can get my car upgraded.

If not may take it if HP-F. How did you find them?

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Weapon of choice -> 2011 X5 e70 30D M Pack
Black/Purple, 315/20in wheels, Black leather
Mods: Accelerator module, HP-F ECU Tune 220kw/610Nm