Originally Posted by M Pulse
Just approach it calmly and straight headed and I'm sure they'll treat you right. If you attack them then you may not get the outcome you were looking for. I don't know if they'll actually compensate you in the form of cash but perhaps a gift card towards some BMW swag is in order.GL.
You'll probably get an apology and maybe some small token discount or gift to compensate you.
Don't push too hard or all you'll get is..."there's no way you can prove this is our fault".
Here's the takeaway on this - always check their work BEFORE leaving the dealership.