Part of the Viva New Vegas Extended modding guide

Improvements

• If Tend To Your Business is completed without allowing the Silver Rush to be destroyed, the Brotherhood will seize the Van Graff stock and make it available for sale to the player from Knight Torres. This provides a little more incentive to back Hardin as elder over McNamara and ensures the player doesn't lose access to the unique Gun Runners items sold there but the seized stock will not respawn once it has been traded.
  

• The Hidden Valley self-destruct sequence has been expanded to show a more elaborate response from the Brotherhood as they follow their training to take defensive positions and lock down the bunker to prevent anyone from getting in or out. All the while there is an actual timer counting down to when the Bunker explodes which will kill the player if they do not escape in time. Additionally, if activating the self-destruct sequence in view of Veronica she will confront the player with new dialogue featuring multiple different choices and outcomes that account for certain player attributes, perks, faction reputation levels as well as which main quest line has been committed to by that point. These changes make escaping the Bunker before it self-destructs an actual challenge with multiple ways to succeed depending on the player's build.
  

• During Veronica's companion quest "I Could Make You Care", Veronica will now mark the location of Hidden Valley on the Pip-Boy map even if the player tells Veronica to go back there on her own. Previously, she would only do this if the player aggreed to take her there immediately which seems like an oversight if the player has no idea where she's going. Additionally, her conversation trigger box has been moved further away from the Elder's command room to improve the immersion of the scene where she complains to the player about her frustrations with the Elder when they are literally just a few feet away.
  

• Implemented an event handler to restore cut content for Brotherhood "Sniffers" (faction members with the special ability to see through player disguises). Previously, they were bugged because the script that is supposed to make them send an alarm to nearby allies goes unused, resulting in them attacking the intruder while nearby allies do not react.
  
  
• Restored cut content schedule and sandbox packages for various Brotherhood members inside Hidden Valley that were unused in the game, making the Bunker feel just a little more lively now.
  

• The refrigerators in the Hidden Valley Bunker kitchen now respawn with food items brought back by procurement specialists in the wasteland just like Veronica and the sinks there provide a source of purified water.
  

Fame

There are very few ways in this game to gain fame with the Brotherhood of Steel. You get 1 point for recovering Torres' missing laser pistol and either 5 or 12 points for completing the quest Still In The Dark, depending on whether you back Hardin or McNamara. Unless you successfully stop the launch of nuclear missiles in Lonesome Road, it's actually impossible to become Idolized with them.

• The player will now receive the same amount of fame whether they back McNamara or Hardin as Elder instead of receiving far more from backing McNamara and making an already one-sided choice even more clear cut.
  

• In addition, there is now a voiced small unmarked quest to bring the holotags from fallen Brotherhood back to Elder McNamara. As there is a similar quest for the NCR and even the Legion, this felt like a missed opportunity. Though this will definitely be more impactful with the presence of mods which increase the amount of Brotherhood traveling the Mojave outside the Bunker such as The Living Desert. Once per day, the player can gain a single point of fame and be rewarded by the Elder with some caps for turning in Brotherhood Holotags from their fallen comrades.
  

• Also, if the player has officially joined the Brotherhood, they can gain a bit of fame for turning in prohibited tech like energy weapons and ammo, power armor, power fists and the like to Brotherhood vendors like Knight Torres. The amount of fame gained is affected by the item's condition at the time of sale. Conversely, you will incur a tiny amount of infamy for selling this prohibited tech to any non-Brotherhood vendors while wearing faction armor (except for Hologram Vendors, The Sink,  or the Commissary system in the Divide).
  If, after joining the Brotherhood, you wish to stop receiving infamy for trading prohibited tech with outsiders, a new dialogue option is unlocked to tell the current Elder that you've changed your mind and wish to leave the Brotherhood. This will remove the reputation penalty for sharing prohibited tech with outsiders but permanently revoke your membership and access to purchase advanced items from the Armory.

The player will now gain fame with the Brotherhood for the following achievements:

Ending

Possibly due to an oversight or a bug, there isn't actually a Brotherhood ending slide for the Independent ending if McNamara remains Elder and the player lifts the lockdown by completing Still in the Dark but doesn't broker a truce with the NCR. To correct that oversight, I've fixed the dialogue conditions so that the ending where the BoS retake HELIOS One will play as long as they haven't agreed to a truce with the NCR.  My reasoning for this is that Elder McNamara tells the player after the lockdown has been lifted that Hardin is already planning an offensive to retake HELIOS. He says he hopes to dissuade them but I think the existing end slides show that this won't be successful.

 Previously, you could only receive Brotherhood assistance at the Dam if you brokered a truce between them and the NCR. You now have the option to ask Hardin (as long as he's still alive) to send a squad of his Paladins to assist you at Hoover Dam in the Independent battle as long as the following conditions have been met.

• You've joined the Brotherhood of Steel
• You've earned enough fame to be Idolized
• You've completed Yes Man's objective to assess the Brotherhood in the quest Wild Card: Side Bets.
  

NPCs

To ensure maximum compatibility with other mods that might edit NPCs, most of the following changes to NPC records are scripted in a tiny startup quest that terminates itself upon completion.

• The player can now ask Senior Knight Lorenzo to repair their equipment as long as they have completed the quest to help him repair the bunker's air filtration system. Accordingly, his Repair skill has been raised to 100. He's the Senior Knight (the order dedicated to maintaining the chapter's weapons, armor and machinery) and chief repair officer, secretly tasked by the Elder with fixing a critical problem with the ventilation system before it renders the entire bunker uninhabitable. Having such a low Repair skill makes no sense for his character in the first place and unlocking a new repair vendor provides a nice reward for players who join the Brotherhood. 
  

Additional tweaks to NPCs include:


Equipment

Tweaks to various leveled lists in order to make the Brotherhood's equipment a little more varied, interesting and true to the classic games. 

The more powerful and rare weapons are less likely to spawn in their equipment, however, to keep things more balanced and reinforce the theme of the Mojave Brotherhood being a struggling chapter in decline. These tweaks should make a direct assault on Hidden Valley more interesting and difficult. Likewise if you convince the Brotherhood to send troops to help you defend Hoover Dam from the Legion.



Crafting

• There are now recipes to convert T-45d and T-51b Power Armor into their Brotherhood versions as long as you have a paint gun on hand and have a high enough reputation. Now you can proudly wear the armor of your faction without having to take it off a corpse or assassinate a fellow member for it.
  

• Just for fun, I added a recipe to craft a holotag fist out of recovered Brotherhood holotags using this retexture with permission by cbgreely. You can craft a weapon using NCR dogtags so why not? The recipe is identical to the one for the Dogtag Fist except using Brotherhood Holotags instead. I've injected this new weapon into the appropriate form lists using a script to avoid any conflicts, so it's compatible with everything.
  

If you're feeling lazy, you can always add the weapon to your inventory using the console by following this method (substituting ## with the mod
index of the plugin from your load order):
player.AddItem ##0031D5 1


The mod's scripts require the xNVSE, JIP LN NVSE and ShowOff xNVSE script extenders in order to function correctly.

The Viva New Vegas extended modding guide, which this mod is included in.

Additionally, the following mods can further enhance the player's experience of the Brotherhood in the game and are recommended:

The Living Desert - Travelers Patrol Consequences Increased Population And More by ELPascal
Hidden Valley Overhauled by LudonarrativeDissonance
Power Armor Visual Enhancement by Strider5
Titans of the New West 2.0 by Woooombat

Special note to users of Brave New World: the new dialogue for Elder McNamara and Lorenzo will still sound like their original voice actors rather than the mod's revoice. While it isn't hard to make those lines using the recorded dialogue from BNW, Dracomies does not grant permission to upload such a version. Then again, BNW still uses the vanilla barks for their revoiced characters so, if you can tolerate that, a little additional inconsistency shouldn't completely ruin it for you.

The mod is automatically compatible with the following:

Ending Slideshows Ultimate Edition Overhaul by Asterra
Brotherhood and House Truce by AVeryUncreativeUsername
Brotherhood and Legion Truce by AVeryUncreativeUsername

cbgreely for permission to use their retexture from Holotag Fist retexture for the Holotag Fist.
ledzepiv for inspiration and assistance testing the expanded Hidden Valley self-destruct sequence and several more dialogue fixes.
Asterra for their suggestions on how to improve the mod's compatibility through scripts (even if it took me a while to learn how to do that).
AVeryUncreativeUsername for creating the TTW patch, all their help troubleshooting the mod, and for the suggestion to allow turning in prohibited tech to the Brotherhood to earn a little bit of fame and for going through all of the Brotherhood's idle dialogue to prevent lines from playing under the wrong conditions.
hman101 for the idea to incur a little infamy for selling prohibited tech to non-Brotherhood vendors from their mod Jealous Brotherhood
PistolPayback for their help troubleshooting the mod's OnSell event handler script.
The xNVSE script extender
The JIP LN NVSE script extender
The ShowOff xNVSE script extender