Originally Posted by wibbles
This is an issue for MT6 N55 cars too. I had to sell mine after BMW updated the DME software & introduced throttle lag. IMHO the car became dangerous to drive.
Judging from past threads(elsewhere)... it effects both N55 and N54's. This new SW update sucks. But someone also said that BMW is working on a new SW release in a month or so to address the "lag". We shall see.