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      01-06-2020, 06:30 PM   #65
CoolStory
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Drives: 2019 X5 i40
Join Date: Dec 2019
Location: Houston, TX

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Quote:
Originally Posted by RacerxG5 View Post
Any tunes for 2020 40i?
Check your local tuner. I had mine put in a Stage 2 tune from Mission (even though their website doesn't show the X5 as an option) and this thing is a beast! Everything else is stock. I asked about doing a down pipe but they said it wasn't needed.

I was going to go the JB4 route but after doing a ton of reading and research it looks like a flash tune is the only way to go for the best gains. Plus, I didn't have to poke a hole in my firewall from the engine bay to plug the darn thing in.

Edit: Found the link to the tune on Mission's website for the X5 i40 (it was kind of hidden):
https://missiontuning.com/bmw-engine...sh-tuning.html

Last edited by CoolStory; 01-06-2020 at 07:21 PM..
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