Your car shouldn't turn over... it should always have all 4 wheels on the ground...
Pull the battery and take it to an auto parts store and have them test it?
2013 Mini Cooper S JCW GP #361 of 500 In USA
2008 e92 335i 6 speed, Intake SOLD
2005 Sea Doo RXT (stock for now....)
2004 545i 6 speed, lots of mods- SOLD