I have a 740, but your 540 should be the same. It is located in the trunk, right side behind the insulation.
You'll see a slit in the insulation, if you separate it, you'll see the block of fuses.
Its in the trunk where the battery is.
The battery on the E39 540i is in the boot on the r/h/s. Remove the plastic bin, and you will see it. BMW 540i owner, Chichester.
18.5 to 19.5 gallons for a 2001-2003 BMW 540i
214000miles
e39 540
The 0-60 time for a '99 540i should be around 5.8-6 seconds. This all depends on your driving, of course.
8
The power steering fluid reservoir is located next to the oil filter on a 1999 BMW 540i. The reservoir will have ATF written on it.
the plastic radiator and expansion tank
9 quarts on the e39
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