BMW M Performance Drive Analyser

[M3greg]

Anyone tried the above?

Any good for track days?

[otolith]

If it's the thing I tried, it doesn't do anything Dynolicious doesn't do better.

[M3greg]

I think (from the vague description on the BMW website) you plug a thing into your OBD port and it transmits data to an app on a phone. Is that the one you tried?

[otolith]

No, the thing I've got is a GPS/accelerometer based performance app. BMW M power meter.