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Thread: CLU relay

  1. #1
    Join Date
    Jun 2020
    Location
    Quincy, Ill
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    82
    My Cars
    540i, 986, 997, CTT

    CLU relay

    The car quit responding to the remote locking a few months ago. I followed some posts here and found the fuse burned. A second one went, and again following posts here, I replaced the relay in the trunk. The remote has quit again (yes, checked the battery.)
    Now, I'm not great with electronics, so I don't want to get into some long diagnosis, and with the car being 20 years old, can live with a manual lock if necessary.
    My question is: is there anything else that's obvious and simple to address this problem? Thanks!

  2. #2
    JimLev's Avatar
    JimLev is offline Artifically Aspirated Moderator
    Join Date
    Oct 2006
    Location
    Sundance Mesa, NM
    Posts
    19,817
    My Cars
    00 540/6, '16 Highlander
    Unplug the fuel door release solenoid. They can short out which blows the fuse.
    Put a new fuse it and see if it works.

  3. #3
    Join Date
    Jun 2020
    Location
    Quincy, Ill
    Posts
    82
    My Cars
    540i, 986, 997, CTT
    Thanks, I'll try that.

  4. #4
    Join Date
    Oct 2010
    Location
    San Jose, CA
    Posts
    11,537
    My Cars
    1997 BMW 540i 6 speed
    What's a "CLU relay?"


    Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.

  5. #5
    Join Date
    Jan 2015
    Location
    Upper Left Coast
    Posts
    24
    My Cars
    2001 540i/6
    Context tells me that it's the Central Locking Control Unit. Tangentially, I've been having lots of trouble with my remote locking recently, and this gives me a new path to go down. I had previously figured that it was just the remote being finicky.

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