is my starter on way out?

my car still cranks and starts fine..but sometimes the when i press the start button it doesnt crank.. but after i try again it starts up



heres a clip of my start up. It sounds find to me. Just cant find videos online or write ups if people had symptoms of the starter going out. Thanks

[u2b]https://www.youtube.com/watch?v=KLTeDnvxtYI[/u2b]



330i

98,000 miles