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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 05-17-2017, 11:34 PM   #21
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Join Date: Jun 2013
Location: Marin, CA
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My Ride: 2003 330cic
Outside Temp Sensor reading -40

1. The sensor is attached to the left side underbody panel adjacent to the gravel cover. If this piece is gone, your sensor is probably with it

2. If you have dangling wires, get the parts listed above, some shrink tubing, solder and a soldering iron.
3. Find the broken wires coming off the harness below the lights. Strip the ends, slide the heat shrink on, press the wires into each other to intertwine the braids, then solder.
4. Slide heat shrink over the connection and heat to shrink.
5. Connect the sensor to the connector, then to the underbody panel
6. Replace panel with four screws

It doesn't matter which wire goes to which on the sensor.

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Last edited by Archbid; 05-17-2017 at 11:45 PM.
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