Outside Air Temp Sensor

Mr-P

Mr-P

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Feb 10, 2013
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62
Location
Oxfordshire
Model of Z
Sold Z3M
Ok question for Z3M owners.

Looks like my outside temp sensor has failed gauge goes to max. BMW want well over £100 for one and system says it only fits Z3M S50 & S54 models.

My question is has anyone else had this issue and if so have you used a different sensor from one of the other Z3's which are about £20 at the most??????

Thanks in advance.
 
g8jka

g8jka

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British Zeds
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Dec 5, 2011
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Telford, Shropshire
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Z3 - 2000 2.8 Roadster
Is it the sensor or the gauge itself that has failed?

I retro fitted the M console and used a standard brass temperature sensor. It reads about 2 degrees high but I'm sure this is fairly common from other posts I have read?

Plenty available on eBay or from a company called etb instruments from what I remember.
 
Graham Saint

Graham Saint

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Mar 16, 2017
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g8jka said:
Is it the sensor or the gauge itself that has failed?

I retro fitted the M console and used a standard brass temperature sensor. It reads about 2 degrees high but I'm sure this is fairly common from other posts I have read?

Plenty available on eBay or from a company called etb instruments from what I remember.
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Mr-P said:
Is the sensor that has failed, so it looks like standard sensor will work.
Click to expand...
can anyone tell me where the external air temp sensor is located in the Z3M, I’ve looked behind headlights as there’s where it is on my z3 but nothing there in the M, any assistance would be appreciated
 
petecossie

petecossie

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British Zeds
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Teesside
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Z3 M Coupe
It’s located in front of the O/S rear wheel behind the wheel arch liner. When I did refurb of front & rear wings plus replacing sill covers on my Coupe I found the sensor tie wrapped to the remains of the mounting bracket. The sensor was heavily corroded (but was still working), I wire brushed it and put a bit of Hammerite on it before refitting to a new bracket. Work fine these days.
I’ll have a look see if I have a picture of it.
:thumbsup:
 
petecossie

petecossie

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British Zeds
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Points
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Location
Teesside
Model of Z
Z3 M Coupe
Pic of sensor in situ

DSCN5226v1.JPG



Pic of corroded mounting bracket!!!

DSCN5258.JPG
 
Graham Saint

Graham Saint

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Points
28
petecossie said:
It’s located in front of the O/S rear wheel behind the wheel arch liner. When I did refurb of front & rear wings plus replacing sill covers on my Coupe I found the sensor tie wrapped to the remains of the mounting bracket. The sensor was heavily corroded (but was still working), I wire brushed it and put a bit of Hammerite on it before refitting to a new bracket. Work fine these days.
I’ll have a look see if I have a picture of it.
:thumbsup:
Click to expand...
Thank you,I wouldn’t have looked there so most useful, as I have a rust spot on that wing I will do it when I replace the panel, there’s some conflict information on these threads but I think the Z3M has a different sensor than the plastic on on the other Zoe’s so will have to find a part number,
 
Thesurveyor

Thesurveyor

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Jul 6, 2015
Points
34
I have played with this on my car because when i bought it the outside temperature gauge was all over the place
I bought a new one and then got access behind the wheel arch liner. It turned out that I only needed to take off and clean the connections and the gauge started working again.
Hence I have a brand new temperature sensor for a Z3M in my garage right now. If anyone wants it then please PM me. I'm going to sell my Z3M unfortunately and so if no one wants it I'll probably just give this away with the car.
 
S

steffenS

Newbie
Joined
Nov 9, 2022
Points
1
Mr-P said:
Ok question for Z3M owners.

Looks like my outside temp sensor has failed gauge goes to max. BMW want well over £100 for one and system says it only fits Z3M S50 & S54 models.

My question is has anyone else had this issue and if so have you used a different sensor from one of the other Z3's which are about £20 at the most??????

Thanks in advance.
Click to expand...
What dealer is providing the sensor. I have not been able to locate any dealer
 
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