[LukeM15]

Originally Posted by GixY2K

New to the BMW community. What's a OBD tune? Doesn't the JB4 offer this? Or are you referring to open code tuning?

https://burgertuning.com/collections...-g8x-bmw-m3-m4

Or is it safer/better to wait for a Dinan tune?

Flash tune….meaning nothing gets removed or attached to be able to run a tune. Just computer software gets injected to the ecu via OBD.