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Firmware 6...15 background power burn?

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I am trying to understand how far I can really go in my P85. What I have concluded is that .15 lowered this significantly.

Prior to v6 my "Rated Miles" would drop about 1 mile for every 285wh used on the trip meter (Total energy used). This already annoyed me that it was at the 305 wh/m that the rated line shows. However, since getting my second firmware 6 version (.15) the problem seems to have gotten much worse with my Rated Miles dropping at 245wh/m.

Making this this even worse is it seems to use quite a bit more power when the car is off- even for short periods.

Are others experiencing this?

I will note that the night of the upgrade my 90% charge set a high for me of 240 rated miles. Unfortunately it's back to 232 since then.