Take a look at Versapanel made by (IIRC) Euroform.
Pretty sure that has a decent fire rating. Anything cementitious should be...
Gone but not forgotten:
325i M Sport (E92), Black Sapphire, Coral Red Dakota, 19" 225's, Seat Heating, 6FL and de-badge
Replaced by 6.2 litres of AMG powered C class.