MHD N55 E-series APK version 2.20

5 stars: All cars should come with an app like this. Sure it could be better in some ways, but its still probably the best and easiest solution available. I hope that support continues and they do more vehicles in future.
3 stars: MHD is the most efficient way to tune your BMW with an n55 engine, unfortunately the developer is not updating the maps very often. and you don't have any option to revert to an older version, would be nice to be able to backup an older a map ,, even if its vin-locked, and restore it on a newer mhd gui version.
5 stars: I am running Stage 2 on my N55 E70 X5 35i and it has transformed the car into crazy beast. One the cool things about MHD is you can monitor how the car is performing \u0026 switch maps anytime...... The app works brilliantly, no issues encountered.
5 stars: Had a few ossues within the first few months due to running n26 plugs/delphi coil combo. For some reason the voltage/amp pull would wig out the the dme. However after updates has resolved itself. Love the options and updates. The application and twisted tuning maps are great for more power and daily driving use. Currwntly fbo and run stage 1+ for daily and stage 2+ for fun. Vehicle seems to get better fuel economy in stage 1+ than stock.
5 stars: If you're thinking about getting mhd just go ahead and get it. Way better than jb4 hands down. Way more capabilities, consistent logging, very user friendly, read codes and reset adaptations. Well worth the investment.