Yes you could install an oil cooler but consider

this first: our VR6 Corrados are up to 8 yrs old.

Some of the G60 are now over 10 years old.

I can attest, a lot of crud builds up on the front

of the radiator. You won't see this because the

A/C condensor is in front. Why doesn't the crap

build up on the condensor first? I don't know.

You could have the radiator replaced, but I had mine

cleaned by a radiator shop with high pressure water.

My water temps are MUCH MUCH cooler now. I use

the lower temp fan switch, and oil cooler (mostly

for the track) but the regular temp thermostat.

The later was needed since it still gets pretty

cold in Chicago. The thermostat in the oil cooler

adapter ensures that the oil doesn't get too cold.

The process to remove and clean the radiator is a

little involved but anyone with basic mechanical

knowledge should be able to do it.

The basic steps are:

-disconnect the splash guards in front of each wheel well.

just a few screws

-remove the front bumper (4 bolts)

-remove the headlights. again a few screws

-remove core support. about 10 sheet metal screws. You may also need to disconnect the hood latch cable

-unscrew cooling fan - 4 screws You may need to slightly lift the engine

to get to all the screws. To do this. unscrew the allen head bolt

on the top of the front motor mount and the regular bolt on the top

of the tranny motor mount. Then lift the motor from underneath with a jack.

place a block of wood between the jack and oil pan.

- disconnect coolant hoses and fan switch connector

- lift out radiator

This is for a VR6. To do this on a G60, the procedure should be

almost identical.

Note: I took the radiator to a radiator shop which

used high flow/high pressure watter to backflush

it and most importantly clean all the crap from inbetween

the cooling fins. i did this myself at a car

wash for the radiator in my 16V Jetta, but didn't

see as good results. i would recommend finding a

radiator shop in your area.

I may be missing a few steps since it was a while ago that I did this.