Audi A6 2,5 TDI 1996 loosing water.....
 

i have just bought this nice car..... with 190.000 km on the clock

i drove i home from Berlin to denmark, with no water loose.

when i drive it normaly, ther is no whater loose......even after 200
km
but when i drive hard, for only 20 km the goes to minium and the alarm
sounds....

any idees??? what i got be??

Thanks.......