9C98 är ett fel som lagrats i din BMW:s minne (en ISTA-felkod, inte en standard OBD-II P-kod).
Vad det betyder: Panoramic sunroof — Hall (position) sensor fault. The Hall sensors tell the roof control unit the glass position, speed and direction (also for anti-trap protection). A fault can make the roof misbehave or refuse to close/open correctly. Often fixed by re-initialising (normalising) the sunroof; if it returns, the sensor/motor or roof control unit needs checking. Not a safety-critical engine fault.
