The P3 Digital Vent Gauge is a digital instrument that seamlessly integrates into the original driver's side vent. It offers an OEM look with a perfect color match to the BMW dashboard and combines multiple functions in a single display. The P3 Gauge is available as a Boost Gauge or an OBD2 Multi Gauge, depending on the desired functionality and installation method.
Advantages
• OEM integration with perfect color match
• Mounting in original ventilation grille
• More features than traditional analog gauges
• Choice of Boost Gauge or OBD2 Multi Gauge
• Compact and discreet design
• Excellent price-quality ratio
Technical specifications
• Display: Digital, OEM color matching
• Mounting position: Driver's side ventilation grille
• Display units: BAR or PSI, km/h or mph, °C or °F
• Dimming function: Automatic or manual (depending on version)
• Country of production: United States
Execution – Boost Gauge
• Traditional installation with hose and wiring
• Displays turbo pressure up to 45 PSI
• Additional display of battery voltage
• Optional automatic dimming function
• Manual dimmer possible
Version – OBD2 Multi Gauge
• Plug-and-play installation via OBD2 port
• Display of OBD2 vehicle data, depending on OEM sensors
• Supported data:
• Coolant temperature
• Inlet temperature
• Exhaust temperature
• Accelerator pedal position
• Vehicle speed
• RPM with shift light
• Battery voltage
• Read and clear fault codes (except K-line)
• Peak and memory function
• 2x AUX ports for 0–5V sensors (pressure or temperature)
Compatibility
• BMW 1 Series E81 135i
• BMW 1 Series E82 135i
• BMW 1 Series E87 135i
• BMW 1 Series E88 135i
• BMW 1 Series E82 1M Coupé
Contents
• P3 Digital Vent Gauge
• Ventilation holder specifically for BMW E8x
• Wiring or OBD2 cable (depending on version)
• Mounting hardware
• Assembly instructions
Frequently Asked Questions
Is the installation visible or permanent?
No, the gauge replaces the original vent grille and maintains an OEM look.
Can I choose which data is displayed?
Yes, the control allows you to switch between available measurements.
Does the OBD2 version work the same on all vehicles?
No, the data displayed depends on the OEM sensors present.