I’m with you on this one too. Starting my search here.
Does nobody have an answer for this?
I would really like to know how we can edit the buddypress notification email templates
For friend request emails, use the filter hooks in function friends_notification_new_request
located in this file: buddypress\bp-friends\bp-friends-notifications.php
For example:
function panda_friend_request_message( $message, $initiator_name, $initiator_link, $all_requests_link, $settings_link ) {
$message = 'This will completely replace the message';
return $message;
}
add_filter( 'friends_notification_new_request_message', 'panda_friend_request_message', 15, 5 );
Not that easy, but currently the only available method.
There is a new method being developed and scheduled for BP 2.4.5 which has a target release date of March 2016.
https://buddypress.trac.wordpress.org/ticket/6592