P3 Gauges Audi B8 OBD2 Multi-Gauge A4, S4, RS4, A5, S5 & RS5

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P3 Multi-Gauge products for Audi A4, S4, RS4, A5, S5 and RS5 models. Multi-Function digital vent gauge displays critical vehicle metrics like coolant temp, intake air temp, ignition timing, speed, RPM with shift light, and battery voltage - as well as peak recall and run/record recall in all modes.

P3 Gauges offer a Multifunction gauge that gives you the information you need while maintaining a clean OEM look. Starting at a price competitive to single feature old-school needle gauges, they offer unmatched feature to price ratio. 

  • Plug and Play install - just plug into your OBD2 port and install into dash!
  • Reads and clears OBD2 Codes
  • OBD2 Data for Coolant Temp, Intake Air Temp, Exhaust Gas Temp, Throttle Plate, Vehicle Speed, RPM, Shift-light, Battery voltage, 0-60 timer and more!
  • Peak Recall on all functions
  • Boost and Vacuum from OBD2 port
  • Optional 80psi analog sensor
  • Optional Auto-Dim or Manual Dimmer
  • 2 x universal 0-5v linear analog inputs
  • Includes digital display, custom OBD2 wire harness and control box.

P3G B8 Installation Video - 1



 P3G B8 Installation Video - 2



Track Pack software upgrade

  • Adds Air/Fuel ratio through the OBD2 port
  • Adds 0-100/60-130/60-0/100-0 timers
  • Changes IAT to post-cooler sensor on 3.0T

Optional 80psi boost sensor 

  • Allows gauge to read boost directly from intake/charge pipe
  • Plugs directly into the OBD2 harness (no wiring required)
  • Can be added/removed from the gauge at any time

Tubing kit

  • Approximately 60" of 5/32" O.D. flexible plastic tubing
  • 5/32" O.D. "T" fitting
  • 3 sections of 5/32" I.D. vacuum hose

OEM vent option

  • We install the display in an OEM vent for your vehicle to make your install even easier.

All Multi-Gauges include an on-the-fly configuration menu for setting units (BAR/PSI, Fahrenheit/Celsius MPH/KPH), Shift light, analog boost sensor calibration and more. See www.p3gauges.com/install for more details.

P3Gauges Audi B8 OBD2 Multi-Gauge (A4, S4, A5 & S5) ML Performance UK


  • Audi B8 A4 2009+
  • Audi B8 S4 2010+
  • Audi B8 A5 2008+
  • Audi B8 S5 2010+
  • Audi RS4
  • Audi RS5

3.0T requires "Track Pack" software upgrade to read post-cooler IAT


Free UK Delivery

We aim to deliver your order within 1-3 working days on all in stock items. We also offer worldwide shipping, simply checkout to get a shipping quote.


One Year P3Gauges Warranty against defects or failures.

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Warranty Information

One Year P3Gauges Warranty against defects or failures.