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Thread: pulley project suggestions

  1. #1
    Join Date
    Nov 2009
    Location
    Lansing, Michigan, USA
    Posts
    56
    My Cars
    2005 BMW 330xi

    pulley project suggestions

    Well I have a pulley bearing that is screaming for help. I believe it to be the one next to the alternator. I am crazy busy at work right now so i took the car to my dad and borrowed a car so he could take a look at it and to not do any more damage to my car (the last thing I want ids for it to seize and screw everything up)

    I have limited car knowledge (just what I learned growing up around my dad) He is a mechanic but rarely works on foreign cars (Hardcore GM man all the way) and he's been outta the biz for a while.

    we plan on tackling the project in about a week or so. I found an awesome DIY on how to replace the belts.

    http://forums.bimmerforums.com/forum...6#post18922166

    next questions... How do I know whether my car is a mechanical tensioner or a hydraulic one? any suggestions on where to order parts? any suggestions on what all to replace while everything is apart? (obviously the belts) any suggestions, comments, helpful tips would be great!

    THANKS!
    Alex



  2. #2
    Join Date
    May 2008
    Location
    Waco, TX
    Posts
    3,113
    My Cars
    E46 M3
    You've most likely got bad bearings in the tensioner; go to www.realoem.com and type in the last seven digits of your VIN and search through the categories to find the tensioner.

    Once you find it, go to www.pelicanparts.com and paste in the copied part # from realoem and voila, up comes your part.

    Good Luck and let us know if you need something else.

  3. #3
    Join Date
    Jan 2009
    Location
    Williamsburg, VA USA
    Posts
    22,932
    My Cars
    2004 ZHP 6MT
    Your production date (found on the inside door jam, drivers side) must be late 2004....Last production date (according to Realoem), was 12/2004.

    Below should give you an idea of what's going on....



    Pc 15 Deflection Pulley P/N 11287841228 $25.50
    http://www.pelicanparts.com/cgi-bin/...&I1.x=7&I1.y=8

    Pc 6 Hydraulic Tensioner Pulley P/N 11281748131 $17.25
    http://www.pelicanparts.com/cgi-bin/...I1.x=12&I1.y=7

    Pc 21 Complete Hydraulic Assembly P/N 11287838797 $66.50
    http://www.pelicanparts.com/cgi-bin/...I1.x=11&I1.y=9


    Might just wanna change out the belts also...

    OBTW...Your car has the Hydraulic Tensioner.
    Last edited by danewilson77; 03-14-2010 at 12:13 PM.

    by Dane Wilson, on Flickr

  4. #4
    Join Date
    Feb 2010
    Location
    Dallas, TX (USA)
    Posts
    229
    My Cars
    BMW E46 330i
    @Starksie

    FYI: You or your dad may be inclined to only replace that one tensioner pulley that's making the noise...

    I would highly recommend that you replace BOTH the idler(deflection) pulley AND tensioner pulley at the same time. You Don't want to have pulleys in different conditions of wear on BMWs.

  5. #5
    Join Date
    Oct 2005
    Location
    Saint Petersburg, FL
    Posts
    4,559
    My Cars
    2001 330i Sport
    Also, if your dad is a mechanic, when it comes to doing the pulleys, there really is no difference between the cars he's normally worked on and the BMW. Same principals. Loosen belt, remove belt, put on new belt, release tensioner, done.

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