In November, I replaced my AC Belt, Engine Belt, Hydraulic Tensioner and Pulley for my 04 3.0 at 85K miles. Here are DIY photos:

TOOLS



IN MY DID, I USED mm SOCKET SIZE, IF YOU DON'T USE mm SOCKET, USE SOCKET TOOLS SUCH
AS 5/8 INCHES ANH 9/16 INCHES SOCKETS ETC.



PARTS:



READY:


































IF YOUR X5 IS EARLY MODEL (2000-2001), ENGINE BELT TENSIONER SHOULD
BE MACHANICAL TENSIONER. MY 2004 HAS HYDRAULIC TENSIONER IN THE PHOTO
ABOVE.

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BMW X5 2004 - 2005 MB E320
BMW 1999 528i/ 1998 Nissan PathFinder (sold)