So I've given it some thinking and I've decided to do a full rebuild. I don't see any point in throwing parts at it when I have 159k on the x and the fluid is most likely original (judging by how burnt it is). I would rather spend a few extra bucks and just do the whole thing over and not have to worry about it. Need recommendations on where to get all the parts, and what to upgrade/replace while I have the whole thing torn apart. Thanks!

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2001 4.4i E53 172k 01/01 Mfg

Mods: Led interior lights, rear footwell lights, black powder coated rims, carbon fiber wrapped interior trim, matte black ecs kidney grilles, arnott air springs(rear), rear console-quad usb chargers, K&N air filter, akebono ceramic brake pads & zimmerman rotors, black painted calipers, 5% rear window tint over factory tint, 50% front window tint, rear airbags activated, 4:3 nav head unit auxilary input, diy trans rebuild at 160k, spyder led tailights, hella horns