The Cool Blue Intense (CBI) are basically the best all rounder you get. It's definitely bluer than OE, but not OE LED blue. I ran one in one of my retrofits, highly recommend. Don't worry about the "up to" colour claim, they'll be around the 5,000K mark.
Sadly there weren't any in D4S for my missus' car, I got Cool Blue Boost (CBB) instead, which is a tad bluer for that OE LED look. Works better than Osram standards (I don't know why Osram is so poor, I had no issues with Philips standards), but I'd be happier with CBI.
tl;dr- CBI is excellent. You'll be happy with them (unless your bowls are burnt lol).
Also, have you tried taking out the bulb yourself? If you can't reach from under the bonnet, you should be able to via the front guard liners (there might even be a flap for easy access).