2003 BMW 325i Q&A

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

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 -
Answer 1
It could be but that's odd ,they had to screw something up, that doesn't sound rite or fair but possible. -