Just had my a tune up and oil change now my car want start what could it be?//// on 2003 BMW 325i

The shop say its fuel pump but i had no problems befor i got the tune up and oil change. I have 2003 BMW 325i

Asked by for the 2003 BMW 325i
1 answer
It could be but that's odd ,they had to screw something up, that doesn't sound rite or fair but possible.