1997 BMW 540i Q&A
1997 BMW 540i Question: cooling fan infront of rad.
You can supply power and ground to the fan, see if it operates, just be very careful! - Bret Bodas
Check the fuse. Look behind glove compartment (must remove to access), is the red one. Or.. power it up directly from the battery terminal on top left side of the engine using a wire - Visitor