Originally Posted by crazyinp
BMW M Performance Parts website is officially up now. Looks like 320d got factory performance kit:
BMW M Performance Power Kit*
The performance increase, brought about engine data modifications, introduces new thermal challenges. This is why, as well as a new control unit that processes the data, there is a larger intercooler
Very interesting that BMW adds an upgraded i/c with their kit. Makes me think there is a lesson to be learned regarding adding tunes to our d's.
Crazyinp, could you please post a link for the info you quoted? I would like to add the i/c upgrade snippet to one of the tuner threads.