Quote:
Originally Posted by Blackwheel
Currently running a tunezilla stage 3.5 tune with factory turbos
Still gettings things dialed in as it's smoking hard under load
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there is no stage 3.5 with Tunezilla..
https://tunezilla.com/catalog/BMW/20...el?ecu=Stage-1
are you referring to 2.5?
2.5 doesn't require the upgraded R90 fuel pump as I originally was asking about.