Android 6.0 Marshmallow factory images for Nexus 5, 6, 7 (2013), 9 and Player are live now and most of you may have installed the freshest Android release on your Nexus device.
But we know a majority of users will be waiting for Android 6.0 Marshmallow OTA update to hit their Nexus 5. And many of these users may also be rooted and have TWRP recovery installed, which won’t let them install the Marshmallow OTA update.
So here is the latest Nexus 5 stock recovery from the most recent 5.1.1 build for Nexus 5 — LMY48M. Just grab the recovery.img file from the download link below and flash it via fastboot using fastboot flash recovery recovery.img command.