I'm following Mike Miller's old school maintenance schedule for my 2005 E46 M3 SMG with 45,000 miles on it and I was wondering which of the following I should attempt to do myself:

Valve adjustment (every 30,000)
Change power steering fluid (every 30,000)
Change gearbox oil (every 30,000)
Change differential oil (every 30,000)
Tensioner pulley, front cam seal (every 5yrs or 50,000)
Replace water pump (every 5yrs or 50,000)