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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 11-30-2010, 12:08 PM
bheppy67 bheppy67 is offline
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Mein Auto: 1999 528i
temp sensor 1998 528i

I trying to find where the outside temp sensor is located.. I have a 1998 528i

Thanks
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  #2  
Old 11-30-2010, 12:47 PM
cn90 cn90 is offline
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Mein Auto: 1998 528i 5-sp 140K+
Search forum using keyword "ambient temp sensor relocated".

I relocated mine to a higher position to avoid repeat damage from curb side.
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  #3  
Old 11-30-2010, 01:42 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by cn90 View Post
I relocated mine to a higher position to avoid repeat damage from curb side.
To the OP,
Here's cn90's pic of his relocated ambient temperature sensor.
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  #4  
Old 11-30-2010, 01:50 PM
bheppy67 bheppy67 is offline
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Temp sensor

So, the temp sensor is located inside the right side wheel well?.
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  #5  
Old 11-30-2010, 01:52 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by bheppy67 View Post
So, the temp sensor is located inside the right side wheel well?.
Not inside. But near.

Did you read any of the zillions of threads (many with pictures) on "ambient temperature sensor"?
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  #6  
Old 11-30-2010, 01:56 PM
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bluebee bluebee is offline
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Sorry to be short with you ... but this question is really really really common. So, to answer it again (and again and again) wouldn't be useful.

BTW, a hint (that has often been proposed) for those who can't find their own ambient temperature sensor (because it's not there), is simply to go to a parking lot at the mall.

Then, just duck under the nearest similar model BMW's right front and you'll SEE their ambient temperature sensor.

Probably you can't find it because (as is said in all the threads), either your plastic underhousing (I forget what it's called) is missing entirely or because the sensor was ripped off on a curb.

Do the search. In less time than it takes me to write this, you'll have two dozen pictures of the thing in place. And you don't even have to go farther than the first thread in this forum (the bestlinks thread).

Good luck.
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  #7  
Old 11-30-2010, 02:05 PM
cn90 cn90 is offline
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The Factory location is as below. It is Murphy's law, if it happened to you, it WILL happen again if you simply replace the sensor to the Factory location.

I move it up a few inches inside the same compartment as the Air Pump (see Bluebee's pic above).

Anyway, this is factory location, which I don't advise you to use:

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  #8  
Old 03-25-2013, 06:40 PM
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bluebee bluebee is offline
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For the record, this related question was asked today:
Quote:
Originally Posted by MichaelNash View Post
Anyone know where the thermostat fuse is in the glovebox or trunk? Mine is currently reading -40 degrees on the dash. If my fuse turns out to be good anyone know where that thermostat is located in the car so I can check if it is disconnected.
Quote:
Originally Posted by cn90 View Post
See also:
DIY: 1998 528i AMBIENT Temp Sensor Hiding Place:
I wrote this DIY in 2006 including my trick to relocate the AMBIENT Temp sensor to a safer place. It is in the place just in front of the passenger's side wheel well plastic cover (remove the passenger's side wheel well plastic cover and you will see the Secondary Air Pump in there).
AMBIENT TEMP SENSOR HIDING PLACE:
http://forums.bimmerforums.com/forum....php?t=1418124
__________________
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need

Last edited by bluebee; 06-30-2014 at 03:18 PM.
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