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radiator drain plug on realoem?


ndog

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I ran the pn#07119919228 (plug) and pn# 0749966320(washer) by a local dealership,they had both, however, the plug was for the block.The realoem site shows it should be the small 8mm x 1.0 radiator drain plug, is the drawing wrong? I need the small radiator plug.thanks all

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The www.bmwfans.info site for my '75 automatic shows the same P/N you list but says the size is AM14X1,5.

That same plug is used in all these locations.

Engine housing 06 Screw plug 07 11 9 919 228

Radiator 10 Screw plug 07 11 9 919 228

Cooling system — water hoses 04 Screw plug 07 11 9 919 228

Cooling system — water hoses 13 '66, March — '77, July Screw plug 07 11 9 919 228

Engine housing -- Screw plug 07 11 9 919 228

Engine housing 03 Screw plug 07 11 9 919 228

I'm not sure what radiator you have with the smaller plug you listed.

Bob Napier

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I never bought one, but mine is small like yours.

Looks like you want:

http://www.realoem.com/bmw/showparts.do?model=2583&mospid=47141&btnr=11_2385&hg=17&fg=05

Pcs 11, 12 or 13. Outa luck on the plugs NLA (unless Blunt has a source). Gasket you can get. I use a hydraulics supply that has straight thread stuff, it should be brass, not steel.

A radiator shop is a good place to take a leak.

 

I have no idea what I'm doing but I know I'm really good at it.

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either from a hardware store or a fastener supply place. That's all the drain is--a bolt. Not tapered thread, seals with a crush washer. Note that a 1mm thread on an 8mm bolt is considered fine thread; normal 8mm bolts have a 1.25mm thread. And they don't interchange.

Or, find an appropriately sized drain cock, file the SAE threads off and rethread with an 8x1mm die. I did that some years ago, and it works a lot better for draining than the bolt, as you can direct the coolant flow much easier with a drain cock.

Third option--as above, but instead of re-threading, solder the drain cock in place.

cheers

mike

'69 Nevada sunroof-Wolfgang-bought new
'73 Sahara sunroof-Ludwig-since '78
'91 Brillantrot 318is sunroof-Georg Friederich 
Fiat Topolini (Benito & Luigi), Renault 4CVs (Anatole, Lucky Pierre, Brigette) & Kermit, the Bugeye Sprite

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