Originally Posted by RealBmw 02
I used to have 20 percent on mine and I really liked it. However, I started doing a lot of night canyon driving a few summers back so I took it off. Now I prefer the car without since it has much better night visibility. I do miss the privacy though.
RZZZZZZZ - try driving at night w/dark sunglasses, that'll tell you if you want 20%. Especially looking for your back up lights. As 02 mentioned it's nice until you do alot of night driving