5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
The outside temperature sensor looks like a small black pin lives under your front passenger bumper to the right of your front tire. I was able to gain access to it by taking out my right fog light. Note once I relaced it; it took a long time a day or two to reinitialize or calibrate after replacement.
to quickly re-calibrate it just disconnect the battery negative cable and then reconnect it after about 5 minutes. You don't have to remove the fog light unless the wiring is torn out but if the plug is still there you can just connect the new sensor without taking any parts apart.
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