Can u replace the two plugs on the bottom of the radiator on a 2005 BMW ? There is 1 on each side of the bottom of radiator ?

this sounds like a coolant flow problem. possible rad plugged or water pump problem.

are you referring to the drain plug? if so, it is located on the passenger side bottom facing the front bumper. see attached diagram under radiator removal. http://www.kia-forums.com/attachments/kia-carnival-sedona/9678d1319024147-removing-radiator-kia-sedona-2005-remove-radiator.jpg

Coolant drain is typically at the bottom of the radiator, on the engine side. Very few cars don't have one, in those cases, disconnect the bottom hose.

1. remove clutch fan. Left hand thread on the nut. Need special holding tool, google up bmw fan removal tool, you'll see what I mean.
2) fan/clutch and shroud come out as one.
3) remove hoses, overflow bottle, and hidden hose leading to the overflow bottle.
4) watch out for the two rubber discs holding the radiator in to make it "float" in place.

After that it's simple mechanics, it lifts out through the top, although if you jack up the car high enough it's possible to take it out via the bottom. Passenger side drain plug on the bottom of the radiator, it's blue btw. The transmission cooler and power steering cooler is attached to the condenser, shouldn't have to mess with it.

All said, if you've taken more than 35 minutes to remove the radiator, you're doing something seriously wrong. Hardes part for newbies is the fan clutch nut.

For 1999 BMW 740IL 4.4L EFI DOHC 8cyl drain the cooling system (on some engines), this requires removing the plug from the bottom radiator tank.

Good luck.

Made a video showing how I replaced the radiator on my 2005 Hyundai Santa Fe and in the process I show where the drain plug is.

There is no special tool. The easiest and fastest way to drain the radiator is to take the lower radiator hose loose from the radiator. It will drain quickly. Hope this helps :)

This will be located on the bottom of the radiator. If you are facing the the front of the car it should be on your left hand side. Thats the passenger side of the car. Its going to be on the backside of the radiator not the very bottom. Good luck!!!

bottom of the radiator on inside of coolant tank. (engine side)

Seeing as you just replaced the water pump, there should be little fluid remaining.

Remove the drain plug from the bottom driver's side of the radiator. Let it drain into a large pan. Once draining is complete, remove the bottom radiator hose from the passenger side of the radiator just to get everything out of the engine if the engine block drain plug didn't remove all of the fluid. Replace the plugs and lines if removed.

Fill the radiator reservoir and start the engine with heat controls on high. open the bleed screw beside the filler cap just enough to let air out. Keep refilling reservoir as the engine sucks it into the radiator. Only fill it to the cold line. Once it stops moving below the Cold/KALT line, replace the cap and close bleed screw.