Small enough for the glovebox
It plugs into the diagnostic socket every car has had since 1996 and talks to your phone over Bluetooth LE. Unplug it when you're done: most cars power that socket all the time, so a plugged-in adapter slowly drains the battery.
iPhone and Android
Bluetooth LE, the kind iPhones need. Most cheap adapters use older Bluetooth that iPhones can't talk to.
Most cars from 1996
It works out how your car talks by itself, from a 1990s import to a new hybrid. It doesn't speak the older wiring (J1850) many Fords, GMs and Chryslers used before 2008: check yours first.
Nothing to set up
No pairing in Settings, no Wi-Fi to join, no account. Plug it in, open the app, and it connects.
For the technically minded
| Chip | ELM327 |
|---|---|
| Protocols | CAN 11 and 29 bit (ISO 15765), ISO 9141-2, ISO 14230 KWP2000. Not J1850 PWM / VPW. |
| Wireless | Bluetooth LE |
| Connector | SAE J1962 16-pin, powered by the car |
| Tested and supported by | AutoLingo LLC, who also sell the AutoLingo for BMW adapter |
Specifications of the production adapter.
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