BMW 3-Series (E90 E92) Forum - View Single Post

E90Company · 03-27-2013, 06:15 PM

P3 gauge reads boost via a vac line that you will tap into your DV lines. The OBD cable used with the P3 is to show CAN data such as IAT, RPM, coolant etc. When you need to flash with COBB just unplug P3's cable.

03-27-2013, 06:15 PM	#2
E90Company Major General 194 Rep 6,136 Posts Drives: Car Join Date: Mar 2012 Location: FL iTrader: (2)	P3 gauge reads boost via a vac line that you will tap into your DV lines. The OBD cable used with the P3 is to show CAN data such as IAT, RPM, coolant etc. When you need to flash with COBB just unplug P3's cable.
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