Installing this update will invalidate your manufacturer warranty; this website and its owner take absolutely no responsibility whatsoever for any damage you may inflict on your phone/tablet as a result of following this guide.
A continuation from my previous post Root Nexus 4 (Stock Android 4.2.2 a.k.a. Jelly Bean)
With Android 4.3 installed OTA you will need re-enable “Developer Options“, done so by pressing the “Build Number” several times.
Now connect the Nexus to computer.
Download and move over the zip to the root of your Nexus 4.
Now to access CWM turn phone off, then to power up press “Power” and “Volume Down”
Once in “Quick Boot Menu” press down volume twice until is now has “Recovery Mode” press power button.
Press “Volume Down” – install zip from sdcard
“Power Button” – choose zip from sdcard
“Power Button” – 0/
“Volume Up” twice – UPDATE-SuperSU-V1.4.3.zip
“Volume Down” – Yes – Install UPDATE – SuperSU-v1.43.zip
Once down it will ask ROM may flash stock recovery on boot. Fix? Select Yes – Disable recovery flash
Job done, Android 4.3 Rooted