[superflyguy9]

Originally Posted by HighlandPete

Not the gearbox lines, but the coolant hose between the radiator and heat exchanger, (part 9) or the hose out to the return flow into the thermostat housing.

Probably easier to get at hose (part 7), but clamp somewhere near where the number 8 is placed, before it tees into the top section.

http://www.realoem.com/bmw/showparts...14&hg=17&fg=05

HighlandPete

Thanks again