Originally Posted by SDV325
Actually that is fairly close to idle temperature for most vehicles i believe, which is around 180F. During excessively hot days or very hard and fast driving temperatures can hit upwards or 240F to 260F in most engines from skimming through on BITOG (bob is the oil guy).
Well, I'm not really worried about idle conditions. Oil cooler thermostat on the N54 opens at around 220F from what I know.
Still gonna stick with BMW synthetic 5w-30. $6.71 a qt after BMW club discount is not too bad....