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Thread: Squirter woes....

  1. #1
    Join Date
    Oct 2009
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    Uk
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    638
    My Cars
    840 ci

    Squirter woes....

    I have a leak right under the remote tank, in the boot,it’s from a pipe inside the flexi plastic trunking under spare wheel well, I can’t get the flexi trunking off,as have no ramp, so,I tried filling up the tank in the engine bay, through the breather hole (no biggie) however, the main pump body seems to be leaking.So,does this tank only have a small amount in at any one time, as the leak suggests I may be ‘flooding’ the pump....if not, are these pumps shared with other BM’s ? Cheers....Joel.


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  2. #2
    Join Date
    Apr 2016
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    Philadelphia
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    My Cars
    1997 m3
    A year make and model would help us help you, along with pictures and as best of a description you can provide. Also what tank exactly are you referring to? Like I said, any pictures would help immensely!

  3. #3
    Join Date
    Oct 2009
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    Uk
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    840 ci
    Aye,it’s a 97 840CI ...this is the pump/tank in question...


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  4. #4
    Join Date
    Jan 2011
    Location
    Nottingham, UK
    Posts
    1,033
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    E31, E36/7, E61
    Hey Joel, nice to see you around,
    I changed all these pumps a few years ago (3 or 4), you can get after market ones, but I had them all from the dealer, not bad price as I remember.
    g.

  5. #5
    Join Date
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    Cheers,thought as much.....


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  6. #6
    Join Date
    Oct 2009
    Location
    Uk
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    638
    My Cars
    840 ci
    Yup, been lying low in the recession...seems to be back on now....just did my door handle from Hyper....it’s only been in the boot for 4 years....ha,ha....so I thought I’d sort out the squirters....as well.....all good apart from that...183,000 on her now,still no let downs....always gets me Home !


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  7. #7
    Join Date
    Jul 2015
    Location
    Melbourne, Australia
    Posts
    647
    My Cars
    1994 840Ci - M60, 6MT
    Those pumps are cheap and easy to get hold of. The aftermarket ones work fine (I replaced mine with an aftermarket one a little while ago).

  8. #8
    Join Date
    Jun 2013
    Location
    Auckland, NZ
    Posts
    934
    My Cars
    1994 E31 850CSi
    Quote Originally Posted by Joelchester View Post
    I have a leak right under the remote tank, in the boot, it’s from a pipe inside the flexi plastic trunking under spare wheel well, I can’t get the flexi trunking off, as have no ramp, so, I tried filling up the tank in the engine bay, through the breather hole (no biggie) however, the main pump body seems to be leaking.So, does this tank only have a small amount in at any one time, as the leak suggests I may be ‘flooding’ the pump....if not, are these pumps shared with other BM’s ? Cheers....Joel.
    Joel - this sounds like the same issue I have.
    The rear leak you described is most likely just from the overflow tube when the rear tank is full - the exact same thing I found on mine last weekend.
    It would also pay to get access to the rear pump to check it's not also leaking, and if it's dry you can test it with 12V across the two pins, supplied from your nearest battery. My rear pump works fine and is not leaking - the 'leaking' fluid is from the overflow tube.

    The front fluid leak will be the pump body and/or the tank grommet, which will continue to leak if your rear pump is doing its job by transferring fluid to the forward tank.
    Replace both these items (fwd pump & grommet) at the same time, and you'll be sorted - they're common parts found across a range of models, so should be readily available.
    I'm going to do the same with mine - new fwd pump and grommet - as it's leaking again now, four days after I fiddled with it and applied some vaseline.
    Last edited by kiwiCSi; 10-25-2017 at 05:25 PM.
    Current:
    1994 E31 850CSi Sterlingsilber/Anthracite Buffalo

    Previous:
    1987 E28 M5 Delphin
    1986 E23 M745iA Arctic Blue
    1986 E24 635CSi Polaris
    1976 E3 3.0 Si Arctic Blue

  9. #9
    Join Date
    Oct 2009
    Location
    Uk
    Posts
    638
    My Cars
    840 ci
    Cheers,Kiwi, it ain’t leaking from the overflow as I have pulled that out, it’s leaking as soon as I poor water into the dry tank....need to get that bloody flexi trunking off really, bet it’s something and nothing,but yes the pump under the bonnet needs replacing..and the grommet...cheers for the help....


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  10. #10
    Join Date
    Jun 2013
    Location
    Auckland, NZ
    Posts
    934
    My Cars
    1994 E31 850CSi
    In that case it will probably be the Item 17 Grommet that's leaking.
    Attached Images Attached Images
    Current:
    1994 E31 850CSi Sterlingsilber/Anthracite Buffalo

    Previous:
    1987 E28 M5 Delphin
    1986 E23 M745iA Arctic Blue
    1986 E24 635CSi Polaris
    1976 E3 3.0 Si Arctic Blue

  11. #11
    Join Date
    Oct 2009
    Location
    Uk
    Posts
    638
    My Cars
    840 ci
    Thanks kiwi, that’s exactly what I needed....about to post some suspension woes now !....ha,ha...


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