F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
Hi, I've a BMW 4 Series F33 420d Convertible (3U12) 2014, recently the TPMS system started giving out errors, had it looked over by a couple of independents (people I know/trust) 1st reset the error and it took reading to 49% but then froze, then a week or so later just gave up and now its just...