1997 540I - Whining Problem
I got a 97 540I,
had a check engine and misfire.. replaced cam shaft sensor, fixed one cylinder misfire,
then cleaned the spark plug area (oil there) fixed the other misfire, when i put everything back together, about 15 minute of driving and now i am getting a really loud WHINING sound,
it happens about 5 seconds after starting, and once car is turned off it slowly goes away (sounds like a washing machine stopping)
any idea what this can be>?
sounds like its coming from the rear of the motor