AEM Electronics X-Series OBDII Digital Datastream Gauge Black Bezel & Black Face plate Turbo-Guard Ordering Guide

Ordering Guide

02-09 Audi A4 Engine Air Filter — Red

Dual-color finish - Black and blue options coordinate with modern wheel styles

Gel Coat Finish

If the unit arrives defective

AEM Electronics X-Series OBDII Digital Datastream Gauge Black Bezel & Black Face plate Turbo-Guard Ordering GuideAEM's X Series OBDII gauge (PN 30 0311) puts multiple channels of data at your fingertips by reading the CAN bus stream of your vehicle's OBD port and transmitting those channels to the gauge display. It reads Diagnostic Trouble Codes (DTCs) and gives you the ability to clear codes. Wiring is as simple as connecting the gauge to your vehicle's OBDII port using the supplied connector! Because the X Series OBDII gauge reads OBDII parameters transmitted