Just heard from Grand-Am rep they are using the M3 in 2013. ALMS and RLL are a 100% go with the Z4!
Lone Star Chapter BMWCCA HPDE Event Chair, Texas Trifecta Event Chair, & BMWCCA driving Instructor
"Racing is important to men who do it well, Racing is.... life, anything that happens before or after is just waiting." - Steve McQueen (Le Mans)