For the party scene, you can go to the Beach Club. Very famous club in KL.
Breweries, there are 2 in KL, not sure if you can visit them without writting to them. They are Carlsberg and Guinness Anchor.
You can do laps in Sepang F#1 track, for a min fee and you must have a proper car.
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For every wound, a balm.For every sorrow, cheer.For every storm, a calm.For every thirst, a beer.