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Thread: Fusible Links

  1. #26
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    moroza is offline MORΩN ΛABIA BMW CCA Member
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    I guess I stand corrected. Neither the M30 car nor the M60 one have a 50-amp that I've heard of or been able to find.

    The 535i's was an 80 amp that lives near the battery. A previous post by Weisebar says that's where the 50 amp one is. Could someone clarify?

  2. #27
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    To prove some you wrong, a 9/93 540i M60 has two fusible links. One that is attached to the body right next to the battery(80amp), and another in a smaller power cable (looks like 8gauge) that runs together to the front with the main power cable. Its the 50amp fusible link that is hidden under the heatshrink wrap.



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  3. #28
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    Quote Originally Posted by millinghd View Post
    Hello guys... been using your forum for months and it has been a great help. But I'm stuck on this one so I figure I'd become a member and become part of the group. Having the same issue with my 735i, checked both fusible links and they are good. When i try to open the windows, sunroof, or automatic doors I can hear the relay clicking under the seat and I checked all the fuses. Is there another step I can take before I give my overpriced mechanic my money? Sorry if I sound like i don't have a clue.... I don't... Thanks. And thanks for this forum!
    these are the ones on the E32 735
    http://www.bimmerboard.com/members/kazam/735i%20FL.JPG
    http://www.bimmerboard.com/members/kazam/P1010075.JPG
    http://www.bimmerboard.com/members/kazam/P1010076.JPG

    and if you have problems with electronics on the E32, better ask at our E32 forum, we have with E32FAN a super expert in E32 electronics.
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  4. #29
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    Quote Originally Posted by shogun View Post
    these are the ones on the E32 735
    http://www.bimmerboard.com/members/kazam/735i%20FL.JPG
    http://www.bimmerboard.com/members/kazam/P1010075.JPG
    http://www.bimmerboard.com/members/kazam/P1010076.JPG

    and if you have problems with electronics on the E32, better ask at our E32 forum, we have with E32FAN a super expert in E32 electronics.
    Exactly the same as my parts car has. Both of them, even locations are identical.
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    DTC Removal Service for most BMW ecus from 99+ etc: MS42/MS43/ME7.2/ME9/M9+/MSV70/MSV80/MSD80/MSS52/MSS54, including the newer EDC17/MEVD17.
    Virgnize DME service available to unlock DME to sync to another vehicle on EWS3 vehicles 98+. M5.2.1, M7.2, MS42, MS43 and more.
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  5. #30
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    Quote Originally Posted by DUDMD View Post
    To prove some you wrong, a 9/93 540i M60 has two fusible links. One that is attached to the body right next to the battery(80amp), and another in a smaller power cable (looks like 8gauge) that runs together to the front with the main power cable. Its the 50amp fusible link that is hidden under the heatshrink wrap.



    Any idea if the 1995 models have this? Also, how far down the line is this located? Do you have to rip up the carpeting to get to this? Please advise.



  6. #31
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    Mine was under the carpet. I extended the wires and installed one of these next to the battery. You can get them from stereo shops. They are for high amperage loads.

    Last edited by 540Greg; 10-09-2010 at 02:45 AM.

  7. #32
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    Quote Originally Posted by AquilaBMW View Post
    Any idea if the 1995 models have this? Also, how far down the line is this located? Do you have to rip up the carpeting to get to this? Please advise.
    Look at the first pic for length wise from the positive terminal of the battery. I dont' think that the carpet needs to be pulled up a little in the rear or not. My brother and I were tearing apart the interior of the parts car today real quick, so I wasn't even paying attention. When we were about to pull the cable out i found the fusible link and remembered your thread, so i snapped the pics.
    Performance Tuning and Chips currently available for all: M60B30, M60B40, M62B44, M62B44TU, 07/97+ M73B54 and M73B54TU
    Performance Tuning for 335D and X5 35D M57 engine - optional offroad use EGR/DPF/SCR Removal. Tunes available in stage 1 or stage 2 options.
    EWS Delete for MSS52/MSS54/MSS54HP/MS41/ME7.2/M5.2
    DTC Removal Service for most BMW ecus from 99+ etc: MS42/MS43/ME7.2/ME9/M9+/MSV70/MSV80/MSD80/MSS52/MSS54, including the newer EDC17/MEVD17.
    Virgnize DME service available to unlock DME to sync to another vehicle on EWS3 vehicles 98+. M5.2.1, M7.2, MS42, MS43 and more.
    MSS52/MSS54/MSS54HP tuning is almost done and will be released soon.
    Don't be afraid to ask, worst I can say is no.

    Easiest way to contact me is to send me a message on my facebook page "DUDMD Tuning"

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  8. #33
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    Mine was a lot further from the battery terminal. It was in the middle of the floor of the back seat.

  9. #34
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    Thanks Guys... I'll check it out

  10. #35
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    Quote Originally Posted by 540Greg View Post
    Mine was a lot further from the battery terminal. It was in the middle of the floor of the back seat.
    Greg - When your's looked like this, what components were failing on the vehicle?



  11. #36
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    Quote Originally Posted by AquilaBMW View Post
    Greg - When your's looked like this, what components were failing on the vehicle?
    My cause was self inflicted. There's an exposed positive post in the compertment where the ECU is. I bumped this with a grounded screwdriver and blew the link.

  12. #37
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    we had one E31 850 owner here in Japan who almost gave up his car after 6 months of trouble when the engine suddenly did not start or stop, then after 1-2 hours or sometimes after days it was running as if nothing happened. We told him to check the fusible link. He replied that he did and it would be fine. Till finally he found the second one. The fusible link had a hair crack which sometimes still worked.
    He already had wasted $ into a new ignition switch, 2 new ignition coils, 2 new CPS etc, it was just a problem of a small fusible link with haircracks.

    Here they are on the E31 http://www.bimmerforums.com/forum/sh...s-Look-at-Pics

    E34 http://gallery.nccbmwcca.org/data/50...m/GEDC0014.JPG
    Last edited by shogun; 04-17-2018 at 10:21 PM.
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  13. #38
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    I've not read the entire thread to see if you've elaborated on your symptoms but will share that I've seen a few E34s(both tourings coincidentally) with corroded wire bundles under the rear seat, driver's side. There is a large junction of perhaps thirty power wires there in a big bundle that just lays on the floor waiting for any moisture that may get in. Unwrap it and look for the telltale green corrosion.
    Oh, re fusible link replacements. E39s and probably all later BMs have high (80 & 100) amp replaceable fuses in a junction box above the battery. They have lug terminals with the same spacing as the fusible link in our cars. A couple of small screws and nuts, one of these and you are back in business.
    Last edited by ross1; 08-23-2015 at 01:25 PM.

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  14. #39
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    Some e34 had a black box that the fusible was in that you could replace next to the battery, while others came with the fusible link that was not replaceable. You can the non replaceable one from another car that has the black box.


    Andy

  15. #40
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    Now on my website, see Photos and locations of E32 fusible links under Reference data>>> Data - Electrical,

    Excerpt:
    FUSIBLE LINKS A & B IN E32
    X6400 is the power post inside the E box. It feeds only DME loads.
    Page 1361-01 for M30 and 1367-00 for M70. Fusible Link A is 50 Amps.
    Page 0670-10 rear power distribution box Fusible B is 80 Amps. It feeds all the Rear Power Box loads
    pic of Fusible Link A
    pic: Fusible Link A is under the heatshrink
    pic Fusible Link B with cover closed. Just squeeze the cover to open.
    pic Fusible Link B with cover open.
    pic Fusible Link B Fusible Link A


    Edit: is there anyone here on the forum who can repair swords for others for a fee? I just got a PM from someone asking for that.
    Last edited by shogun; 11-03-2015 at 07:33 PM.
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  16. #41
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    And here fusible links from a 11/93 E32 750iL, the one in shrink plastic, then there is another 80A one in a plastic box behind the battery, can also be seen, just removed that from a crashed parts E32 750iL we disassembled.
    fusible1193.jpgfusible1193.jpg
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  17. #42
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    to finalize this for the E34, just use the ETM, let's say a 1995 produced from 5/1994 - 12/1995, covering E34 525i, 525it, 530i, 530it, 540i , no need to run thru all the 527 pages, check the index under F, there you see

    fusible link F0 ......page 0670.2-00
    fusible link F97.....page 0670.2-00

    That comes directly after the fuse chart.
    F97 is the inline (riveted on) fuse from the battery to the e-box/front power distribution box, B+ jumpstart junction point
    F0 is shown as 80A fusible link, 10RT, between X18068 and X18067, goes to rear power distribution box

    http://shark.armchair.mb.ca/~dave/BMW/e34/e34_95.pdf
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  18. #43
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    In case anyone has new pics, pls post them here with year/month of production of the E34, engine type and if battery is located in engine bay or under seat. Also pics of defective fusible links are welcome.
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  19. #44
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    vehicles produced 9/1992 - 8/1993, 525i, 525it, 535, M5 E34
    The red cable powering the e-box components from B+ distributor X6449. See page 0670.2-02. That car has per the drawing only one fusible link 80A to rear power distribution box, see page 0670.2-07
    http://shark.armchair.mb.ca/~dave/BMW/e34/e34_93.pdf
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