[Kriz2fer]

Originally Posted by Duta569

Here's a good example. This is a draggy run from today.

I have unlocked ECU with the BM3 e30 tune, catless downpipe. Brand new Michelin PS4s all around on my 2021 M550.

Look at how hot it is and look at the DA (density altitude)

Looks pretty terrible doesn't it. Mind you this was my first run after getting unlocked and tuned, more adjustments are to come, but it gives you an idea of how much temperature and DA affects the run.

Good stuff.