u/Grandizer_Knight

I've been researching tunes for X3 and X5 SUVs for year 2021 to 2022 and can't seem to find a clear answer. A couple sites list different, higher, gains for the x3 than the x5... however everything I find on it says they are the same damn engine. Anything to know here that might explain this? Does x3 have different exhaust or intake...or something that would explain to horsepower potential for stage 1 tune?