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Old 06-22-2016, 10:46 PM
williamx5 williamx5 is offline
Join Date: Jun 2012
Location: South Carolina
Posts: 563
williamx5 is on a distinguished road
Good day,

What you have here is the reversing rail (that U shaped rail) has lost all it's plastic and the chain is either working thru or has slid off the rail and rubbing the front timing chain cover... Thus, the tensioner is at it's limit with the increase in travel path... This happened to me to my 98 540i... Here are some pictures of that repair I did back then...

This is where it should sit (Obviously the one part in the other)...

This is where yours is, or worse... Mine was here... And I couldn't fix mine right away... So, I made a temporary fix to put more tension on the chain... I moved the body of the tensioner in towards the motor more by putting a washer in the bottom of the cup that seal everything...

This is what my reversing rail looked like...

And the almost finished project...

Okay, keep in mind that your M62 is newer than my 98 version... Your parts might be different... You have single VANOS and the timing job is a bit more intense... I have those tools if you need them... I had to rebuild my entire motor in the 2001 E39 in the signature block... But that rebuild was for a totally different reason... PO abuse!!

Cheers for now!!
2001 E39 540i Sport 6 speed (10-12-2000 build date) Anthricite exterior / Tan interior (Zippy)
2001 E53 X5 4.4i (03-07-2001 build date) White exterior / hellbeige interior (6MT swap vehicle - Manny)
2002 E53 X5 4.6is (12-20-2001 build date) Imola Red exterior / M-texture interior (Red)
2004 E53 X5 4.4i (11-18-2003 build date) White exterior / Black interior (Whitney)
2004 E53 X5 4.4i (09-29-2003 build date) Black exterior / hellbeige2 interior (NEWEST - Becky)
BMWCCA member (#4745)

Last edited by williamx5; 06-22-2016 at 10:58 PM.
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