Antwort: hello I'm not sure whether the translator is well translated, please ask a question in English, P.S. - Generally M54 is very easy to connect the E30, so the connect it to the factory in e46/e39 etc.;: Everything works well, the engine operates Normally on board all the parameters are correctly Displayed, only the Economizer Because is not working it is no longer supported by the CAN as to the engines N52, N54 and S65, etc:. we are at the stage of "adaptation" of the engine to e30, e34, e24, etc. I'm sorry but I do not speak good English I greet