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Thread: I Want to Install a Third Brake Light for My 1979 633csi

  1. #1
    Join Date
    Aug 2007
    Location
    Washington, DC
    Posts
    37
    My Cars
    1979 BMW 633csi

    I Want to Install a Third Brake Light for My 1979 633csi

    I see that some people have used LED assemblies for adding a third brake light to an older E24. I'd like to add a third brake light, but I want to use the old style incandescent housing. Could anyone recommend an incandescent third brake light assembly for an E24. I've found a few used ones in good condition on ebay but they were listed as only compatible with the E30. I don't see why the E30 light wouldn't be compatible with the E24. Any recommendations would be greatly appreciated!

  2. #2
    Join Date
    Jul 2018
    Location
    Netherlands
    Posts
    292
    My Cars
    1982 628CSi
    I see your point, I want to add the same to my car but I will upgrade to LED's when we get to rebuilding. The E30 third brake light housing may need to be slanted differently as the rear windows have a different tilt, besides this I don't think any objections exist. It is mounted on the carpet I think?

  3. #3
    Join Date
    Aug 2006
    Location
    Edmond OK
    Posts
    99
    My Cars
    '88 M6, '14 X3 '06 911
    I've had both (e24 and e30) out of the car and believe they are the same part

    --Marc

  4. #4
    Join Date
    Aug 2010
    Location
    West Nyack, New York
    Posts
    1,391
    My Cars
    86 635csi 98 740i 96 MB

  5. #5
    Join Date
    Jul 2018
    Location
    Netherlands
    Posts
    292
    My Cars
    1982 628CSi
    Good to know!

  6. #6
    Join Date
    Jun 2018
    Location
    MT View, HI
    Posts
    167
    My Cars
    '80 733i , '76 2002
    I have one out of an 89 635. it ended up at a wierd angle on my 733i. Pay postage and it's yours. Pm if interested.

  7. #7
    Join Date
    Sep 2014
    Location
    asheville, nc
    Posts
    151
    My Cars
    89 635CSi & 87 MB 560SL
    Put one of these in the wire to the central brake light:
    https://www.amazon.com/dp/B00P2D46N2/?tag=2402507-20
    to eliminate the error light on the dash.
    This was recommended by Daniel Stern, lighting guru, who's suppling new lighting for my car. I haven't installed it yet as the car not back from the respray. Roger

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