Recent content by deesanti

Based on your thread, I guess it's BMW E53 (2001 - 2006 X5) which is use M54B30 engine, the same engine that they use in the E39 530i last facelift. M54 engine if I am not mistaken uses Aluminum Block and Aluminum Head with Alusil sleeve, which is have a longer drain interval as long as 30,000...