Tachwire

Tachwire reads your car through a Bluetooth LE OBD adapter and shows what the dashboard keeps to itself — oil and gearbox temperatures, boost, gear, on a BMW even oil pressure — as tiles on the car's screen. When something runs critically hot, it says so out loud. Deepest on BMW, which it asks through its own engine, gearbox and hybrid units. First support for MINI, Toyota GR Supra, Audi, Volkswagen, SEAT, CUPRA, Mazda and Honda. Standard readings on any car with an OBD port. ON THE CAR'S SCREEN • Up to four screens of tiles you arrange on the phone, updated twice a second. • Blue while cold, green in range, amber when hot, red when critical; the warm-up counts down to READY. • Spoken warnings, the way navigation speaks: oil pressure dropping, something critically hot, the tank nearly empty — in all 11 of the app's languages. • A Live Activity on the Lock Screen, in the Dynamic Island…