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Well, I have a 135i, which is why I need a device to monitor water temp (just because I want to). I know Scan Gauge has the ability to add certain indicators (through programming steps) that are in the car's monitoring system. That is how I monitor trans temp in my truck with my second Scan Gauge II. So. if the oil temp is not readily available, perhaps they can give you guidance on how to get to it.
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