Originally Posted by M3_lover
i want to know if anyone have an idea about the OE tuning. I am thinking to get it done to my M3. i couldnt find ESS tuning here in PA so I want to know if OE is good as well and if anyone can give me a good advice please.
You can program your M3 yourself with our E-Flash OBD interface. There is no need to find a local dealer when it comes programming. PM me if you want more info.