may be that this has already been asked, about the search function I am now simply too lazy *g* anyway I would have liked to know if any of the many experts here is in a position to explain to me the difference between nem compressor and nem turbocharger ? one thing has already come to my ears. Compressoeren seem to be considered no longer really contemporary. therefore also the second question: why does mercedes still install such dinger ? si And the so nostalgia-guided?