my problem was a clutch sensor when there was no click or sign of the starter. Ive also one time one the m3 had a bad BST cable.
But narrow it down until you have the starter to replace.
"To my seed, may I lead you into no breed of evil. In the categories and stories I breed my sequel.
You know the money brews, blunts, and broken 22's. Monkey see, monkey do, shorty sipping sunny dew.."