Have the same problem with a 635/csi. I'm not technically a mechanic, but, pretty sure it's the heater control valve.
In the Trunk.
under the hood....
upper timing cover
how do i reset computer on 1995 bmw 740i
how do you change the clock ring on a 1995 BMW 740i
no
One can purchase a BMW 740I by visiting one of the online stores that sells this type of vehicle, like BMWUSA, Edmunds, BMWMainline, or BMWDelawareValley. These sites can give more information about the BMW 740I, which may include reviews about this car.
Um, sure
2001 BMW 740i takes 7-7.5 quarts of oil. --------------------- It takes 7.9 quarts (7.5 liters).
yes
yes
Take to a qualified BMW mechanic.