Du brauchst 11V. Wenn 90 Sekunden unter 11 V, dann gibt es Probleme
kann mich heute noch daran erinnern, wie mich 2004 !!! ein Herr Ronald Trochelmann (der mir damals noch vollkommen unbekannt war)zusammengestaucht hat, deshalb hab ich mir das kopiert
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Mismatched tires WILL set EML light if vehicle has traction since it reads all 4 wheel speed sensors and gets an "implausable" reading.
Low voltage will set EML only if it drop below 11v for more than 90sec. Low voltage will also cause problems with the IKHA (heater/ac), memory for seats/steering and transmission will go into limp mode.Since this only happens in traffic I would look at transmission control/traction control/ABS/wheel speed sensor. Of course it could be something completely unrelated, but this is a start.
Just for clarification: I am a 20 year BMW Master with 3 PhD's from Germany in Engineering and I know these systems better than almost anyone. I did 12 years of R&D on these system for a manufacturer in Germany, so I am not some "Key Board" mechanic or read some crap on the internet.
Ronald Trochelmann
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