i purchased the remotekey+ from eas and have the same problem.
when i don't lock the car the remotekey does not power off completely and when the car starts back up it shows battery /voltage low. I've been living with the issue for a year now and have double checked all connections / taps.
Alpine White E70 11 X5M - K&N Filter , STI Mag , LI , Self coded , Ultimate DP , Megan Exhaust
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