Quote:
Originally Posted by Cwelch
It only started doing this after I took it to an auto shop nearby my house to change my fuel pump. And if I need to let the engine warm up, then how long should I wait or how would I know when it’s fully at operating temperatures?
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Does the e60 have an oil temp gauge? At a minimum, keep engine rpm’s at or below 3k rpm and wait until the oil temp is at its normal operating temp (e.g., on my e92 M3, it’s when the oil temp reaches 210 F; M3 also has a variable redline that increases with increasing engine/oil temp) but I still wait at least another 5-15 min, depending on ambient temp, before I exceed 3k rpm. I do this to make sure the DCT and other components also are up to temp. Engine wear is the greatest when the engine is cold.