Re: coolant temperture question

[John G.Burns <john@xxxxxxxxxxxxxxxxxxxx>]

>I drive a 94 325is and live in SC.  S C does not have very cold winters and
>I have what is likely a simple question. This afternoon I took a 175 mile
>round trip in order to pick up my step son.  Air temp was around 40 and
>fell to low 30's after sun dropped.  With speeds on interstate of 70-80mph
>my temp gauge never climbed above half way between cold and normal temp.
>(the cold air coming thur radiator at speed).  Also not enough heat was
>getting to my feet.  Upon stopping to refuel and letting car idle for 5+/-
>minutes she soon returned to normal temp, however soon dropped again after
>resuming speed.

Sounds like your thermostat is jamming, my 635 did this until I replaced it.

May also be a stuck viscous fan coupling. It should turn with slight
resistance when the engine is off and cold.

- --
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Email: john@domain.elided, John G.Burns B.Eng, Aberdeen, Bonny Scotland
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