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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

 
 
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Old 01-26-2007, 10:04 PM   #1
termignoni
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Join Date: Jun 2006
Location: Earth
Posts: 61
My Ride: 2001 330CIC
*** DIY Belt Tensioner Replacement With Pictures ***

Remove 4 clips and remove cover. Close up of clips (pull pin straight up to release)









Remove to additional screws that enclose the fan blade. Facing the car on the left. Remove torx screw and unhook the two electrical connections. Facing the car on the right side, remove the pull-pin clip just like the first photo.










Remove the fan and fan shroud. The fan loosens up left to right when facing the car.




Use a 16mm or 5/8” socket wrench to release the tension on the tensioner to release the belt counter clockwise.






Remove dust cover from the top pulley and remove to access the tensioner bolts below.





Remove top and bottom tensioner bolts.








Install is the reverse. Here’s a diagram of the belt if you forgot to take a picture.






The hardest part is getting the fan back on. Be patience and remember to spin the fan right to left when putting it back on.

Enjoy and I hope this helps all..



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