If I know I'm going to a place that only has valet I just take another vehicle or carpool.
Sold - 2014 F01 750Li xDrive CBM M-Sport
Sold - 2013 E92 M3 SS w/ ZCP l ZPP l 2MK l 6NR l 752
Sold - 2009 E92 335i LMB M-Sport
Sold - 2003 E46 M3 LSB SMG