Posted by Patrick Lamb on April 29, 2005 at 15:25:34 from 198.74.20.78
After starting cold, my 79 528i, idles very high and then after a while the rpms will fall, then raise again, then fall again, until it gets fully warmed up. this doesn't happen while driving, just while i'm stopped with the clutch in or in neutral. what should i check/replace?