Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    May 2011
    Location
    lloydminster, SK
    Posts
    40

    Loud Fan noise help !!!

    Dear ZHP family,
    Well yesterday when I was driving home I noticed that when I accelerate around 2000rpm I hear the fan in the engine (not sure what the legit name is) would make a thrusting noise. It's hard to explain the noise but is just louder (or maybe even spinning faster) than before. Before taking it into the shop I was wondering of anyone else has experienced this dilemma thanks in advance

  2. #2
    Join Date
    Jan 1970
    Location
    Lexington, KY
    Posts
    4,901
    Could it be one of your pulleys?
    Inspects the belts perhaps, or better yet, post a video.
    Is your car an automatic?
    325i, 2005, 5MT, Silvergrey, leatherette, Sport package; CDV delete, KONI STR-T & KYB Excel-G, Weisslichts, Stewart H2O pump

    328i, 2010, 6MT, Spacegrey, dakota leather, M-sport packages; has a 330 intake but no tune - yet
    http://s900.photobucket.com/user/othibau/media/Junesig.jpg.html][IMG]http://i900.photobucket.com/albums/ac208/othibau/Junesig.jpg

  3. #3
    Probably is the fan bearings failing and spinning more than it should and faster.

  4. #4
    Join Date
    May 2011
    Location
    lloydminster, SK
    Posts
    40
    @oli77 yes the car is an automatic! I'll try to post a video ! later on today! thanks for the help in advance

  5. #5
    Join Date
    May 2011
    Location
    lloydminster, SK
    Posts
    40
    ok so instead of recording a video i found one on youtube ! http://www.youtube.com/watch?v=d3HtERRQnZw .... the noise is the exact same!! what do u guys think..

  6. #6
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Pulley
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  7. #7
    Join Date
    Feb 2011
    Location
    North NJ
    Posts
    686
    Fan clutch is seized.

    Change it immediately. I can't stress this enough if it is the clutch.

  8. #8
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595
    I'm always one to err on the side of dane, but this sounds like a fan clutch seizure to me if it sounds like the video.

    Why are you saying to change it out immediately, Ian? I mean I know it really needs to be changed, but what is the reasoning behind this? (just curious honestly)


  9. #9
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Quote Originally Posted by iZHP View Post
    Fan clutch is seized.

    Change it immediately. I can't stress this enough if it is the clutch.
    Should he do newspaper test?

    Delivered from SIGFest USA
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  10. #10
    Join Date
    Feb 2011
    Location
    Valparaiso, IN
    Posts
    3,595
    I'll bite... what's the newspaper test, dane?


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