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  1. #1
    Join Date
    Feb 2020
    Location
    GB
    Posts
    1
    My Cars
    BMW X5 3.0si E70

    Whine from engine .. increases with speed

    Our 2007 X5 3.0si has a whine from engine area that increases with speed, it's almost unbearable above 90km/h. Where could this be from? At low speeds it's not much.
    An alternator was serviced sometime back, could this be the cause? Or is this water pump?

    Sent from my SM-N960F using Tapatalk

  2. #2
    Join Date
    Mar 2019
    Location
    ATLANTA GA
    Posts
    260
    My Cars
    456 X3s
    Quote Originally Posted by forafora1976 View Post
    Our 2007 X5 3.0si has a whine from engine area that increases with speed, it's almost unbearable above 90km/h. Where could this be from? At low speeds it's not much.
    An alternator was serviced sometime back, could this be the cause? Or is this water pump?

    Sent from my SM-N960F using Tapatalk
    When I experienced this with the 05 X3 it turned out to be the A/C compressor.

    Sent from my SM-J727T using Tapatalk

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