Hi everyone!
I found a disconnected cable next to the radiator. The green one goes to the temperature switch on the radiator but the red one was disconnected and I can't find anywhere I should be connected.
The only thing close by is the expansion tank but it doesn't have a sensor on the bottom and according to realoem there's not supposed to be one on my m73. http://www.realoem.com/bmw/enUS/show...diagId=17_0597
Any ideas what the red cable could be?
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Some tanks had the sensor. My 91 had the plug, my 93 doesn’t.
'93 850Ci - Mineralweiß Metallic
2001 740iL - Titansilber
ALPINA B7 -Alpinweiß III
...the price of cool ain't cheap!
Is the wire just left disconnected on your 93 or does it have a different harness?
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If it is the AUC sensor (for automatic re circulation) then it will have four wires and a four-way connector.
Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i
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Four wires...
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Figured this out...
The connector is indeed for the auc sensor which is placed on the right hand side of the radiator shroud.
Found an auc sensor and a whole connector at the wrecker's
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