Quote:
Originally Posted by Sample
I'm looking to purchase a piggyback for the xDrive40i. My area only has 91octane- which tune do you all recommend - JB4, Racechip, Dinantronics?
What Map for 91? I have a JB4 on my N54 and there was a auto-map, but these piggybacks for the B58 don't seem to have an auto-map.
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Map 7 is tuned for 91 minimum.
It will produce more power automatically with 93 or higher.