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Old 12-23-2015, 08:18 PM   #1
Spooninatar
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Join Date: Dec 2015
Location: Bris
Posts: 7
My Ride: E46
Radiator Plug

Hi,
New owner of a 04 318i E46. My first entry into the world of BMW's.

Looks like I have a leak in the my radiator through the plug in the bottom of the expansion tank. I've looked through the parts list, and I cannot find the exact part to get.

I was wondering if someone couple please confirm if this is the correct plug ( I assume I need the whole thing, not just the blue one ). http://www.ebay.com.au/itm/271996345...%3AMEBIDX%3AIT

Also, I cannot seem to find these for sale in Aus ? I've got an order I am about to place through clickable, and I cannot seem to see any through there either.

Thanks._a_
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Old 12-25-2015, 06:49 PM   #2
lobe
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Join Date: Mar 2014
Location: Australia
Posts: 101
My Ride: e46 325i
G'day,


I know the exact part you are talking about. The small blue screw fits inside another part (this other part differ in lengths between auto & manual trans in order to provide cooling to the trans cooler in an auto)

explanation here
http://forum.e46fanatics.com/showthread.php?t=855007

http://forum.e46fanatics.com/showthread.php?t=767162
http://forum.e46fanatics.com/showthread.php?t=1062919


If you are sure its from the screw itself and not just leaking somewhere else ( it could be from the big main o ring seal where the expansion tank fits into the radiator) and then collecting on the blue drain screw, you could just whip the screw out and put a new o ring on it, or fix it temporary/ghetto style with some silicon sealer etc.

I have one as a spare as of two days ago as i found one in my shed whilst cleaning up. I remembered loosing one of them when i put a new rad in. I could measure the o ring for you if you like.

Contact Lucas or Ben (email them as its xmas) and they'll prob be able to help you out, great service from those guys at Clickable

Last edited by lobe; 12-25-2015 at 06:52 PM.
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Old 12-25-2015, 07:22 PM   #3
Spooninatar
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Join Date: Dec 2015
Location: Bris
Posts: 7
My Ride: E46
Thanks Lobe.

I had seen the last two links, and ended up buying the whole thing. Figured I'd just replace the both parts.
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Old 12-25-2015, 07:47 PM   #4
lobe
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Join Date: Mar 2014
Location: Australia
Posts: 101
My Ride: e46 325i
Ok pal,

Nice to see you got it sorted.
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