Yellow is low oil level, whilst red denotes serious low oil pressure. Oil level sensors on BMWs are known to go faulty especially on E46s. If the yellow light comes on momentarily for about 15 seconds and goes out, this could be a faulty oil level sensor if the oil dipstick reads full.
oil light on when engine off
It's in your Owner's Manual.
Engine Warning Light
reset oil chang light of 2006 BMW 750li
Change it or check it. Shut it off and check it now.
A red oil light can mean a few different things. It can mean the oil pressure is low, the oil level is low, the oil sending unit is bad, or the oil pump is bad. Have it looked at immediately and do not drive it.
try to reset oil light on 528i bmw year 2000
Reset inspection light on 1989 bmw 325i
Change the oil.
How do you reset the oil service warning light manually on a 2003 BMW 525i?
Change the oil... at the dealer they have a device to turn this light off.
How do you manually reset the oil life monitor on a BMW 525i