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Firewall DME Harness Grommet

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  • drum4fun27302
    replied
    Maybe this would work?

    https://rover.ebay.com/rover/0/0/0?m...2F140938481527

    Leave a comment:


  • Codym42
    replied
    Is this what you guys are looking for? 51711972464 is the 52 mm grommet. Double check this diagram:

    http://www.realoem.com/bmw/enUS/show...diagId=41_0167

    I had considered buying a new one. But, at $24, I just cut a slit that came from the one in my m42 powered car. I also have an m3 firewall cover to go on. Hopefully water and wind noise doesn't come in.

    Leave a comment:


  • AllydNYC
    replied
    I'm still in need of a M20 grommet. Anyone?

    Leave a comment:


  • Klug
    replied
    I'd really be interested in seeing that e34 m50 DME box setup in the front.

    I ended up cutting a m20 grommet, slid it over the harness then silicone'd it in with no issues. Granted I used that e36 or whatever firewall cover to cover it all up.

    Leave a comment:


  • ba114
    replied
    Originally posted by ThatOneEuroE30 View Post
    Ive got same issue. Toying with the idea of getting that expanding foam and just filling the hole with that but find a way to keep it nice and tidy. I mean really if you have completely rebuilt shit there shouldn't be a reason to ever remove it and it can easily be removed.
    I'm looking at expanding foam too as i currently dont have anything and dont fancy water running down the wires into the dme...

    Leave a comment:


  • Northern
    replied
    Mine was slit in half to get on the 24v harness, but now I also ripped a big piece off.

    I think some sort of generic grommet is the way to go.

    Thinking about something like this:

    https://www.mcmaster.com/#push-in-grommets/=15ucmg8

    I would anticipate modification, which seems like a lot for ~$20.

    Otherwise maybe stacking two sizes of these:
    https://www.mcmaster.com/#push-in-grommets/=15ucoj9

    Leave a comment:


  • ThatOneEuroE30
    replied
    Ive got same issue. Toying with the idea of getting that expanding foam and just filling the hole with that but find a way to keep it nice and tidy. I mean really if you have completely rebuilt shit there shouldn't be a reason to ever remove it and it can easily be removed.

    Leave a comment:


  • ForcedFirebird
    replied
    Can't cut them. Gotta pull the pins out of the ECU connector and feed the bare wires through.

    Leave a comment:


  • Luke_M
    replied
    I used a cut M20 grommet but still had problems with water coming in the glovebox. I used some silicone and problem was solved. Probably not the best solution, especially with no grommet at all but it's has been fine for 3 years.

    Bonus: In theory it should clean up with no damage to the paint to should I ever pull it out.

    Leave a comment:


  • nrubenstein
    replied
    Originally posted by ForcedFirebird View Post
    The 24v dme plug is the same dimensions as the 318is, and similar width to the early model. The late model m20 connector is larger.
    Roughly a 55mm hole in mine.

    Leave a comment:


  • ForcedFirebird
    replied
    Originally posted by nrubenstein View Post
    I'll measure it today to confirm 100%. I can tell you that I've confirmed that the M50/S50 DME plug fits through in the same manner as a late model. Electrically, the M3 has a standard round C101.

    The 24v dme plug is the same dimensions as the 318is, and similar width to the early model. The late model m20 connector is larger.

    Leave a comment:


  • nrubenstein
    replied
    Originally posted by ForcedFirebird View Post
    I have early and late model. I was on the understanding the m3 is based on the 1985 chassis, they have a smaller hole. When swapping in a late model (iS engine) into an early model, the hole has to be opened up.

    Would be great if you could verify, I have them.
    I'll measure it today to confirm 100%. I can tell you that I've confirmed that the M50/S50 DME plug fits through in the same manner as a late model. Electrically, the M3 has a standard round C101.

    Leave a comment:


  • ForcedFirebird
    replied
    Originally posted by nrubenstein View Post
    Normal round hole, same as any late model. Edit: IIRC, around 2" diameter.
    I have early and late model. I was on the understanding the m3 is based on the 1985 chassis, they have a smaller hole. When swapping in a late model (iS engine) into an early model, the hole has to be opened up.

    Would be great if you could verify, I have them.

    Leave a comment:


  • nrubenstein
    replied
    Originally posted by ForcedFirebird View Post
    The m3 has the small hole in the firewall, like an early model, right?
    Normal round hole, same as any late model. Edit: IIRC, around 2" diameter.
    Last edited by nrubenstein; 01-06-2017, 06:49 PM.

    Leave a comment:


  • GG///M3
    replied
    Sucks in a forum like this it's so hard to find pics with decent info. Fail


    Sent from my iPhone using Tapatalk

    Leave a comment:

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