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Thread: Cabin air filter

  1. #1
    Join Date
    Aug 2018
    Location
    Oklahoma
    Posts
    6
    My Cars
    2015 535i xDrive

    Cabin air filter

    Going to change the cabin filter. I viewed the youtube video on how to do this and I noticed he disconnected the battery. The process seems pretty straight forward. My question is, is it necessary to disconnect the battery? On the video, he states it prevents accidental discharge of air bag. Now I'm not some kind of automotive engineer, but it seems unnecessary. What do y'all think. Thanks.

  2. #2
    Join Date
    Dec 2013
    Location
    Chicagoland area
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    4,372
    My Cars
    EXOTICS

    Here is the procedure according to BMW TIS:https://www.newtis.info/tisv2/a/en/f...ilter/1LfjIG2k
    (includes the associated warnings)
    https://blog.bavauto.com/wp-content/...crofilter1.pdf

    No mention of battery disconnect,
    and I don't see why it would be necessary,
    as no SRS systems/sensors are disturbed or in the way.
    Last edited by MIKYZZ4; 09-09-2018 at 08:51 PM.

  3. #3
    Join Date
    Jun 2008
    Location
    Dallas, Texas
    Posts
    540
    My Cars
    '14 550/M, '03 540/M
    Quote Originally Posted by CTM72 View Post
    Going to change the cabin filter. I viewed the youtube video on how to do this and I noticed he disconnected the battery. The process seems pretty straight forward. My question is, is it necessary to disconnect the battery? On the video, he states it prevents accidental discharge of air bag. Now I'm not some kind of automotive engineer, but it seems unnecessary. What do y'all think. Thanks.
    Nope.

  4. #4
    Join Date
    Apr 2012
    Location
    Madison County, AL
    Posts
    24
    My Cars
    F10 535i & E89 Z4 35i
    I didn't.

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