It did seem like there was regression from 510 to 520 to 530.

Make sure you have the latest firmware as much of a pain that is.

I have 510 and 710.

The 710 has WiFi and updates ota so that's a major perk.

Still pretty slow on the e53

__________________
2011 E70 • N55 (me)
2012 E70 • N63 (wife)