BMW 1 Series F20 F21, 2 Series F22 F23 & M2 F87 – P3 Stealth OBD2 Vent Gauge Display | Digital Boost Temp CANbus Code Reader | Plug & Play Performance Monitor (M135i M235i M140i M240i)

Stealth OBD Vent Display for BMW 1 Series and 2 Series (F20 F21 F22 F23) and M2 F87

Transform your cockpit with a factory-looking digital display that shows real engine data where you can actually use it. This P3 Gauges vent-mounted performance monitor delivers live ECU metrics without cluttering your dash, giving you a clean OEM finish with the functionality of multiple traditional gauges in one smart unit.

We run these on our own cars and the feedback from MJ Modifications customers has been brilliant. It is simple to fit, rock solid reliable and a game changer for daily driving and track days alike.

Compatible BMW models

Designed for the petrol F-series platform and supports:

• M135i, M235i, F87 M2
• 116i, 118i, 120i, 128i, 130i
• 228i, 230i, M140i, M240i

Chassis: F20 F21 F22 F23 F87

Note on diesel models: diesel engines are not fully supported. Throttle angle, ignition timing and intake air temperature are not available. Diesel applications require the analogue boost sensor for boost readings.

Why enthusiasts choose this vent gauge

• Plug in and go via the OBD port with a vent-integrated display for a true factory look
• Reads and clears diagnostic fault codes so you can troubleshoot quickly
• Live data straight from the ECU for serious monitoring
• Peak recall so you can review maximum values after a pull
• No bulky pods or brackets and no wiring guesswork

Live parameters and performance features

• Oil temperature, coolant temperature
• Intake air temperature and exhaust gas temperature
• Throttle position, vehicle speed and RPM
• Configurable shift light
• Battery voltage
• Acceleration timer including 0 to 60 mph
• Boost pressure and vacuum via the OBD connection
• Two universal 0 to 5 V analogue inputs for external sensors
• Auto-dim or manual brightness control for perfect night driving

Optional upgrades

• Track Pack software for petrol engines only:
  • Air fuel ratio via the OBD connection
  • Additional timers including 0 to 100, 60 to 130, 60 to 0 and 100 to 0
• 80 psi boost sensor:
  • Reads boost directly from the intake or charge pipe
  • Plugs into the supplied harness with no extra wiring
  • Add or remove at any time
• OE vent option:
  • Display pre-installed in a genuine vent for the easiest possible install
• N20 and N55 tap kit available in our accessories section

What you get

• Digital vent display
• Vehicle specific OBD harness
• Control box

Set up in minutes

On the fly configuration lets you choose your preferred units and behaviour:

• Pressure in BAR or PSI
• Temperature in Celsius or Fahrenheit
• Speed in MPH or KPH
• Shift light settings and analogue boost sensor calibration

Installation resources are available at www.p3gauges.com/install.

Professional fitting and support

Want it installed perfectly first time with a health check and tidy routing of the harnesses? Book a professional fitment with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quick quote.

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