Great mod for aggressive driving or wet weather driving. Same process R53/R56. Same Getrag transmission in Ford Focus also apparently so process should be identical for that or most any FWD car!
Get the Quaife LSD here (Same part for both R53 / R56 six speed) :
https://www.waymotorworks.com/quaife-...
or here:

http://ebay.us/7AeDoy

Get the diff bearings here:
https://www.waymotorworks.com/differe...
or here:
https://amzn.to/2u5orF4 (quantity 2)

Anaerobic sealer:
https://amzn.to/2Q9VqAr

Get the 12 ton hydraulic press:
https://amzn.to/36beIex

First remove transmission (same work as clutch job):
R53:    • 2002-06 MINI Cooper S Clutch Replacem...  
R56: (Will add link when I make an R56 turbo clutch video)


Thanks for watching!