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Thread: Blower Motor options

  1. #1
    Join Date
    Oct 2013
    Location
    New York
    Posts
    37
    My Cars
    1983 733i

    Blower Motor options

    Mine is screeching pretty bad, so I'm planning on replacing it. I only see the OEMs on ebay for ~400 without housing (+130). Are there any cheaper plug and play options? I'd rather not hack something together.

  2. #2
    Join Date
    May 2012
    Location
    Boynton Beach, Florida
    Posts
    1,526
    My Cars
    1990 735I (E32) M30
    BEHR makes a decent one for under 300. I just installed one like this in my E32. Very good. Much like OEM.

    https://www.eeuroparts.com/Parts/326...y-64111361839/
    1990 735I (Auto) E32 Feb 1990 to Present
    1996 Z3 Roadster (5 Speed) E36/7 Jan 1999 to Dec 1999
    1983 733I (5 Speed) E23 April 1983 to Feb 1990
    https://www.youtube.com/watch?v=2d4tHoHGaJo
    https://1drv.ms/v/s!Av20xCMMocSsyEpl...h_oOk?e=ekIcAT







  3. #3
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,487
    My Cars
    1983/84/85 745i
    W124 is pretty close, if you have an E23 blower out...send me some measurements and I can help. Cages are different diameter, but dimensionally is quite close. Hell, you can use some W124 vacuum pod guts in these cars.
    I make E23 parts.
    09/1983 745i (stolen spring '13 around Houston, TX Achatgruen on nutria buffalo. 8481080)
    10/1984 745i
    11/1984 745i
    11/1984 735i (10:1-265/6)
    Ford, MB, and GM round out the pack.



  4. #4
    Join Date
    Oct 2013
    Location
    New York
    Posts
    37
    My Cars
    1983 733i
    @Hitman I don't have it out yet, and won't be able to check for a bit. Do you know if this fan will fit an 83 733i? Numbers dont seem to match up, but looks correct in photos.

  5. #5
    Join Date
    Apr 2004
    Location
    Hamburg, NY USA
    Posts
    1,583
    My Cars
    e23, e32, e34, e39

  6. #6
    Join Date
    Oct 2013
    Location
    New York
    Posts
    37
    My Cars
    1983 733i
    Interesting, thanks! Do the fans just swap right over? Housing a perfect fit? Or do I need to hack a bit?

  7. #7
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,487
    My Cars
    1983/84/85 745i

    Thumbs up

    Summit has a great return policy.

    BTW, removing those cages is a MFer, I tried on my old Ljet blower assy and broke them. :/
    I make E23 parts.
    09/1983 745i (stolen spring '13 around Houston, TX Achatgruen on nutria buffalo. 8481080)
    10/1984 745i
    11/1984 745i
    11/1984 735i (10:1-265/6)
    Ford, MB, and GM round out the pack.



  8. #8
    Join Date
    Jun 2015
    Location
    Los Angeles
    Posts
    140
    My Cars
    1981 Euro 732i
    Someone in that link said the "boiling water trick" to remove the cages. Any idea on that method?

  9. #9
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,487
    My Cars
    1983/84/85 745i
    I have used that on MB ones, my BMW ones were so brittle it made no difference. They just shattered.
    I make E23 parts.
    09/1983 745i (stolen spring '13 around Houston, TX Achatgruen on nutria buffalo. 8481080)
    10/1984 745i
    11/1984 745i
    11/1984 735i (10:1-265/6)
    Ford, MB, and GM round out the pack.



  10. #10
    Join Date
    Oct 2013
    Location
    New York
    Posts
    37
    My Cars
    1983 733i
    Does anyone sell replacement cages separately? Did some searching and didn't come up with anything. Am thinking of buying one of the four seasons motors and figured I might as well put on new cages instead of repurposing the old ones if that was possible, maybe aluminum ones?

  11. #11
    Join Date
    Mar 2006
    Location
    Sacramento, CA
    Posts
    935
    My Cars
    87 535i/84 €735i/8
    Boiling water would be a bad idea, but HOT water works well to help them not shatter.
    --Jay3->Sic gorgiamus allos subjectatos nunc
    84 €735i manual, 88 528e/i
    Motronic 1 and 1.3 wiring
    Transmission & Diff gearing sheet

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