You have to be careful which you buy if the ODBII port is similar to the one on the Jetta. The only one that fits is:
The others are too 'chunky' and foul on the fascia.
If you are using an Apple device you will need to get a WIFI enabled connector. Android works with either WIFI or Bluetooth, bluetooth is cheaper. If you connect using WIFI you might have internet issues with your phone unless you are out of range from the ELM327.
I quite like the dash command software, although I'm sceptical about the calculated power and torque figures.
HTH
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