My Mini Cooper S 2013 engine light comes on. Engine struggles to start

What is your question?

engine is a stick. alternator & timing chain were recently replaced. Various sensors have been checked. Battery checked. Dealer drove over 200 miles at last check, and it seemed fine. Drove 59 miles home and the light came on. Engine takes to count of 8 to start. Engine sounds fine and drives well.

What makes this problem better or worse?

Dealer works on it, but after driving a distance, the light comes on

How long has your 2013 Mini Cooper had this problem?

about 6 weeks