You need:
305 Engineering skill
Zapthrottle Mote Exctractor
How to:
------If you have extractor dont do these steps ----
1. Go to K. Lee Smallfry (Alliance) or Mack Diver (Horde).
2. Get the quest The Zapthrottle Mote Extractor!.
3. The Steam Pump Parts can be found in The Dead Mire, get 15.
4. Turn in the quest, now you have the recipe.
5. The mats can be bought off the AH for 100-200 gold.
6. Make the Extractor!
7. Go to 30,62 in Nagrand. (NEW SPOT: 63.0, 49.5)
8. Make this macro; and bind it to 9.
/use Mote of Air
/use Zapthrottle Mote Extractor
9. (If you are a rogue)Make this macro; and bind it to 8.
/cast [nostealth] stealth
11. Now it will press 8 and 9 all the time until you press F1.
You can minimize wow, as the script sends the keystrokes to the wow window, so you can play another game or on another account at the same time.
Running in background is not flawless, sometimes my pointer jumps around a little. I'll maybe work more on that later.
Dont Flame.
Use This method and dont abuse it.