That's interesting! Is this an OEM sensor from the dealer?
I know the later MAF sensors are different and send a PWM type output instead of a voltage, perhaps this is similar.
Can you post part numbers and as much info off the paperwork as possible?
2008 F01 - Sophistograu with Saddle Brown Leather
Night Vision, Digital TV, Heated M-Sport Steering Wheel + Paddles, Combox, 6NF Baseplate, 6NR Apps, Rear Entertainment System, Automatic Boot Close and Surround View Cameras.