Too much lag on some OBD Bluetooth or WiFi dongles to use on a daily basis.
OK for checklng codes and checking peak limits but if your looking for a response curve then they are not really up to it.
Android Auto in my RS with OBD blutetooth via phone just adds additional lag, but not surprising really when you consider the interfaces it has to pass through to get to the car's in built display.
You can't beat a set of Defi's or a set of much cheaper stepper/electronic gauges.
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