5 stars: The app works as described, but that's not why I use it. I use it to get 35% more horsepower AND more importantly 43% more torque.
5 stars: The phone crashed on initial flash and I the app didn't want to connect to a different phone to retry, basically destroying the software of my car. Contacted support and got quick and effective help and solving the issue in less than a day. After initial install reflashing literally takes half a minute. Recommend a good phone that isn't too old and not prone to crashing. Running the stage 2+ map on 102 makes the car handle beautifully.
5 stars: Best app for tuning easy hp and easy on the wallet! But I have had one problem so far when I was doing 50 to 120 mph the car started to shake back and fourth and it felt like it was losing power. Any suggestions on what that would be. Great app and highly recommend it to anyone wanting hp!
5 stars: I have n55 early F series with n54 rotary fuel pump. There is enough flow for E50 fuel map, like E-series have. Would be nice to separate the two versions somehow and let the PWG to take advantage of the better flow of N54 rotary fuel pump.
5 stars: Excellent tune! It completely transformed the performance of my BMW. Their support staff was very responsive and answered all my questions.
5 stars: Great tunes that work as advertised. My F30 hauls ass now.
5 stars: This is the second BMW I have used MHD on could not reccomend it more. Completely transforms the car. Also has ...