what is the repair cost of a cover gasget?

so,you mean valve cover gasket, i think?>see below> Burning Smell or Oil Drips on the Ground Due to Engine Oil Leak on BMW 530i Problem Description and Possible Solution Valve cover gasket leaks are common after 60,000 miles. Symptoms will include oil drips under the vehicle and burning oil smell from the engine compartment. RepairPal Verified Average mileage: 100,909 (7,000–250,000) 7 model years affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007 98 people reported this problem bout $230.00-$416.00