It will still effect your premium nevertheless. It's not fair, but there you go. I've been through this recently and posted on here. My wife's car was unoccupied too and her insurance recorded it as a "fully settled, no fault claim". But her premium still went up.
Current: 2013 F10 520d M-Sport, Professional Media, Visibility Pack, Reversing Camera, DAB
Previous: 2011 F10 520d M-Sport, 2008 320i M-Sport Coupe, 2002 325i, 2001 318i valvetronic, 1998 318i, 1996 525i, 1990 Porsche 944S2