Heater Hose Diagram

Ian C said:
That’s the one. The u shaped e28 hose puts the body close to an unused captive nut on the scuttle panel. The hose from the back of the head needs to be extended to reach. I used an emergency flasher switch with a purple lens to control it.
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Do you know the part number?
 
The part no. is 64111373191. On closer examination, the photo Fritzie posted is another version, but should also work. The hose in my picture has the BMW logo printed on it and no. 1384763Phx8161 stamped into it. The valve is listed for left and right hand drive e28's , but cant find that hose in the parts diagram. Maybe a rhd thing? There is also a bracket the valve mounts to which is needed. I can post switch wiring details if you like, just have to cast my mind back. It needs a jumper from power input to one of a pair of contacts that are bridged when the switch is in the off position, the other being connected to the pos terminal of the valve, earth to the chassis.
 

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Ratio and slip percentage are stamped on the flat part under the filler plug. you may have to clean it off with a wire brush to see the stampings. The numbers on top are casting numbers I think. It looks like it has been using the expansion tank or plumbed to an oil cooler maybe.
 
Ian C said:
Ratio and slip percentage are stamped on the flat part under the filler plug. you may have to clean it off with a wire brush to see the stampings. The numbers on top are casting numbers I think. It looks like it has been using the expansion tank or plumbed to an oil cooler maybe.
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Hello, and thank you for your explanation, it is on my car, I will take a picture and posted for you to see, it is clean and painted I hope paint didn't cover the stamp, it is a good day Saturday I can jack the car up and take a picture. talk to you soon.
 
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