IIRC its around 30% on a Mk5 GTI or Edition30, pretty dark . :ahappy2:
You'll find that anything less (percentage wise) is too much, don't forget that the lower the number (percentage), the darker the film/tint. 0% would block out all light and 100% would let all the light in.
Here you go...![](https://www.mk5golfgti.co.uk/forum/proxy.php?request=http%3A%2F%2Fi1049.photobucket.com%2Falbums%2Fs399%2Fmcaborn%2FForum%2520pictures%2Fd59b5942e9bc1df1d7b34c2c3d9fe3aa_zps50fcf571.jpg&hash=98ed038a65677952b950afcb2a7e011da038b189)