There are none that I'm aware of. Everything goes to "sleep" in 8 minutes, so that ensures everything is powered down. Should be no problem for a radar detector running for another 8 minutes off the battery--a drop in the bucket.
Originally Posted by PapaRocco
You're right the connection does turn off after a few minutes. Just wondering if there's an immediate disconnect when the ignition is turned off.
2013 X3 28i (prem, tech, cold1&2, conv, hud)