Originally Posted by wudi13
Hey, what is normal working temperature for N54? My car takes very long to warm up, like 10 minutes at least. I wondering is there any problem with it. How long does your car take to warm up?
You have posted in the 128i forum - and we don't have oil or water temp gauges.
But to answer your question anyway, it takes about 4 to 6 minutes for the OBC in a 128i to give an oil level reading - at which point, most of us consider the motor to be properly warmed up.