[choppedliver]

Originally Posted by jmhildreth

I see Carbahn has a controller for the 2021 M550ix.

https://carbahnautoworks.com/product...-m550i-xdrive/

Is this the first and only tuning available for the 2021's?

I saw some posts on the M5 forums and the wisdom their is that the carbahn box is a rebadged racechip.