Don't really know. I believe it was 20% or more, again it came with the car when I brought it. It wasn't dark-dark, if it was sunny you can see the shapes inside. But on cloudy days like today (ie no sun) it came out darker then it was.
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2006 M3 ZHP in IB (Crashed) | 2005 M3 ZHP in IB (Sold)
2004 M3 in IR - Current
2018 330ix Wagon - Current
2017 328d Wagon - Current
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