Go for it, just make sure you drop air pressure to 8 psi.. Car and suspension will be fine, don't listen to these guys, it's no more abuse than driving on salty roads.. Sand will abuse your transmission and drive train if you don't drop tire pressure, very important!!!
2011 e92 335is DCT - Cobb, ETS IC, AFE DCI, BMW PS kit, M3 control arms, various cosmetic improvements
2006 e90 330i 132k miles SOLD!