Quote:
Originally Posted by drevadiva
I bought the Tune2Air WMA 3000B for my 2011 z4 and it works great! My question: can I leave the device plugged in 24/7 or should I unplug when car is parked? I'm worry about draining the battery.........
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When the car fully powers down this unit will be offline..so no concerns about battery draining…
Compared to other OE solutions it’s poorer quality but it’s your only choice probably..