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Discussion Starter · #1 ·
This morning, my gauge stayed at the coldest position for most of the hour long drive in to work. (It is 70 degrees here in Atlanta...) Once I pulled into the parking deck, it popped up to a normal reading, seemed to float around a bit, then dropped back to "0". I checked the oil and the level is good, no warning lights on the dash, etc.

Any ideas?
 

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my ideas would be bad sending unit or bad gauge. If it persists, next oil change change the sender unit.
 

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Any possibility it would have anything to do with the new hose kit you installed that Im about to install?
Bumped the connector loose on the sender?
 

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isn't the temp sender the same as the oil level sensor? (as on the e39M, bottom of the pan) if so doubtful you'd have done anything with the vac lines down there.
 

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Discussion Starter · #6 ·
I think it's just the sender. All day today, it's been working fine.... Typical electronic gremlins!!

No - I don't think it has anything to do with the vac. kit, Nik!
 

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isn't the temp sender the same as the oil level sensor? (as on the e39M, bottom of the pan)
No, level, pressure and heat are different senders...I think its on the oil filter block.
 
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Yup - the temp sender is on the oil filter canister. It's the one on top I believe (the pressure switch points towards the front).

Last time I checked the price of the level senders (the one in the pan), I threw up a bit in my mouth.
 

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Last time I checked the price of the level senders (the one in the pan), I threw up a bit in my mouth.
like this new saying for "BMW dealer prices"
 

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Perhaps more from BMW ..........
This price was from Tischer BMW's online parts service.

But, some stuff at the Honolulu dealer here is 3X the online prices, then mention it's for an ///M car and they add another $100.
 

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speaking of oil temps, where is the thermostat? Is it integral to the oil filter canister? My car seems to take forever for oil temps to come up to normal, several miles of driving.
 

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Yes Mike , it's a sensor that screws in to the base of the oil filter housing and points in towards the head iirc .

D
 

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Yes Mike , it's a sensor that screws in to the base of the oil filter housing and points in towards the head iirc .

D
I'm not sure that we're talking about the same thing David. Is there a thermostat that controls oil flow to the cooler? Is is replaceable?
 

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I'm not sure that we're talking about the same thing David. Is there a thermostat that controls oil flow to the cooler? Is is replaceable?
My mistake Mike ....... I was referring to the oil temp sensor .

D
 

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Documentation must be hidden somewhere.....

I checked out my bootleg PDF copy of the BMW TIS, engine and cooling...And there's no mention of the oil thermostat.
 
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