I used the 75w140 based on BavAuto's recommendation. Works great in my 2007.
Originally Posted by mlukas161
75w 140 is more for racing applications or if you beat the snot out of your x3.
I don't race or beat the snot out of my X3! Just drive it a lot and at a brisk pace!
My garage: 2013 BMW 550xi GT, 2007 BMW Z4 3.0si Manual, 2006 BMW 530xi
Retired: 2007 BMW X3, 1998 BMW Z3
Member of BMWCCA!
Last edited by madurodave; 01-23-2013 at 11:14 AM.