I've left the beast for a few weeks while doing other stuff and of course the battery went low, started the car but had lots of bings and bongs, plugged my icarsoft thing in and it pulled up under voltage on the SRS system and passenger seat sensor
Charged the battery and the under voltage went but occupancy sensor still on.
I had a seat occupency bypass from my old Z4 so fitted that but still on sometimes keeps flashing other times straight back on, is there a special bypass for the fatty? Current:

2005 4.4 V8 FF
Chrysler Crossfire

Previous:

BMW X3
BMW Z4
Saab Aero
Saab Convertiible (lots)
Mazda Rx8 (lots)
BMW 320 msport
Mini Cooper JCW
MG ZT (loved these cars)
and numerous nails from 1985
And bikes, lots and lots of bikes 😊