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Old 02-13-2013, 11:10 AM   #96
kaciker
Registered User
 
Join Date: Feb 2013
Location: Madrid
Posts: 12
My Ride: E90 320d
Quote:
Originally Posted by Marty19 View Post
Does anyone know if its ok to leave the OBD2 plugged in all the time? I notice there is a red light on even after the ignition is off.

I guess my questions are:
1) Will it damage the ECU by leaving the OBD2 plugged in all the time?
2) Will the battery drain be significant with the engine off?
1) -> a good question...
2 -> My intention is to weld in the part of behind of the connector a cable pin to pin, to take this cable up to behind the radio, to use the cable of (12v WITHOUT key) in order that the OBD2 ignites simultaneously that the car.
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