I am looking at your fan shroud and the same thing happened to me about a year ago. I didn't make too much of it because I had to deploy during that time. Know that I think about it, it was right after going to the dealer!

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2010 X6 50i
2005 X5 3.Oi, Many Options
2015 HONDA CR-V EX-L
1998 ACURA 2.5TL

MODs
- Driver's outside mirror light
- Voice Recognition Module
- Blaupunkt Entertainment System
with Digital TV