BPC BFIK Diesel Intercooler
Announcing the BPC BFIK (Big Friggin Intercooler Kit). This is a 335D M57 front mount intercooler kit that we developed and have been installing on quite a few 335D's lately. It's a 335i core with custom piping made for the 335D.
Here's a dyno of the before and after, with ONLY the intercooler being changed: