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-   -   Z3 Roadster (E36/7) Aftermarket outside temp gauge - need help (http://www.bimmerfest.com/forums/showthread.php?t=662231)

alcofribas 12-04-2012 05:40 PM

Aftermarket outside temp gauge - need help
 
I have a base-model Z3, no heated seats, no dash computer, just the analog clock. I calculate mpg with my iPhone, but I'd like to keep an eye on the outside temperature. I'm throwing this question out just to see if someone else has tried this.

I purchased a very nice temperature gauge that is velcro-ed into the niche just to the right of the steering column opposite the fog light switch. It has a long attached wire at the end of which is the temperature probe, approximately 1/4" in diameter. The probe is currently inserted into the space inside the dash, allowing warm interior air to show an elevated temperature.

QUESTION: How to route the wire+probe from beneath the dash to a spot exposed to exterior air without cutting into sheet metal. I would obviously prefer that the gauge show exterior temperature.

http://home.earthlink.net/~riende9/z3_temp_gauge.jpg

Pinecone 12-05-2012 06:18 AM

There are various wire passthroughs in the firewall. They will have a rubber grommet and the wiring bundle going through it. You can probalby work the sensor through one of those and if the wire is long enough, put it in front of radiator cowl/behind the bumper.

Bob2.8 12-05-2012 06:50 AM

Quote:

Originally Posted by alcofribas (Post 7231226)
It has a long attached wire at the end of which is the temperature probe, approximately 1/4" in diameter.
http://home.earthlink.net/~riende9/z3_temp_gauge.jpg

FYI You can cut and splice the wire.

alcofribas 12-06-2012 05:53 PM

Temperature gauge
 
Thanks for the helpful advice. :p


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