Can you use an OBD for a BMW?

[PCH323Stud]

Hey my friend has a VW and just got a OBD to tune his car, can anyone tell me if I can use it to tune mine and how do i go about doing this?

[timsev]

Hey my friend has a VW and just got a OBD to tune his car, can anyone tell me if I can use it to tune mine and how do i go about doing this?
If it's for VW, then no. Where in Missouri are you?

[PCH323Stud]

I'm in the Chesterfield/Creve Couer area in St. Louis county