Electric fan

[abdkhu]

which electric fan you recommend to do the engine/clutch fan delete?, for stock radiator
2000 e39 540i

[whites14]

i got a spal 16 inch fan with there relay thermostat kit. works great has never over heated. this is on my 98 540i

[turbo20psi]

http://www.zionsvilleautosport.com/store/screen/ctgy/store_code/6134/category_code/CCSE39.htm

This is what I would do.

[EMC]

I've got the Zionsville shroud and expansion tank on my touring with a 16" single speed fan and thermostat/relay. It works great. The previous owner put it on but I highly recommend it.