Quote:
Originally Posted by jhbodle
My mate's got one of these on his 125d - Map 2 was nice low down but Map 4 does all that plus has a great mid and high end. I used my Dynolicious app on it and it gained 21bhp at the wheels over stock on Map 4 at zero.
Still waiting for BMW's official power kit for mine, but the DTUK does seem to be pretty good on his!
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how was your mates fuel economy affected?