There's a bunch of companies that do this now but will probably swap it for the G20 when it comes out later in the year so no point doing anything unless I keep the car.
https://www.ziptuning.com/blog/tunin...-iperformance/
http://www.venturatuning.nl/chiptuni...2-pk-phev.html
https://www.bimmerfest.com/forums/sh...d.php?t=902090