I've had the 3M on my 2001 and we put it on our 2006 325i and now on my new (to me) 2004 X5. Without a doubt it is a very nice product. The 325i was used for freeway driving for a year and it made a night and day difference in preventing the rock chips on the hood and headlights. We didn't do this on the 2000 323i and it was pretty torn up when we sold it. HIGHLY recommend this product and really it's not that noticeable.

I paid $595 for the X5 install. Was $800 on the 325i as we had door edges done, behind door grab handles, trunk sill, and below the gas filler door along with hood, headlights, mirrors, fogs.

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2007 328i Sport, Monaco Blue
2011 X35D - sold -Space Grey
2004 X5 4.4i - sold - Kalahari Beige
2001 X5 3.0i - sold - Pearl Beige
2006 325i Sport, Sonora Beige
2000 323i - sold - Sienna Red