I'm debating between Dinan, ESS and Velos.
Dinan: because of the warranty. I don't have to go back and forth with install/uninstall.
If they're not so overly expensive compare to others, I like to go with Dinan. But cost is 1k more than others..
ESS: since they supercharged and tuned alot of M cars but haven't seen blew up motors yet, I tended to trust them. But it's kinda annoying that I have to have PC to install/uninstall (I only have Macs since 10 years ago so I have to download Win7 and bootcamp it just to do this).
Velo: doesn't looks like they have countless software tuning experiences like Dinan/ESS but I really like the simple self tuning machine that I can keep in the car.
What you guys have it and what's your opinion?
Please share!
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