Just installed a used stage 3 unit in my 535i. I used the Bluetooth app to change the setting from stage 3 to 1 as I don’t have any required mods such as intercooler nor intake as required for stages 3. However for the guys running Dinan, you guys using stage 1? I heard i can run stage 2 no problem without any mods. Obviously Dinan recommends and stated intake is required for stage 2.
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