BimmerFest BMW Forum banner

hissing sound

  1. E36 (1991 - 1999)
    I'll say this first i don't know much about cars just a tiny bit, but my problem is that I recently got a hose changed in my car because it was cracking and my car was idling. After my mechanic put the hose in the idling went away for 5 min and then it started to make a squealing sound and the...
  2. E46 (1999 - 2006)
    So I recently purchased my first BMW not off to a great start. After I test drove it I noticed a small leak I told the dealer who then replaced it the valve cover gasket cover and assured me that was the cause. Not noticing anymore leaking I purchased it. That day I started to hear a very loud...
  3. 7 Series - E65 / E66 (2002 - 2008)
    On my 2006 750Li, when I turn the car on or open the doors if the car is on, there is a hissing sound if the radio is on AM band. Doesn't happen if on FM or any other mode. This has been my complaint since the day I bought the car from BMW of Mountain View, Ca. They told me that BMW is aware of...
Top