E60 Discussion Anything and everything to do with the E60 5 Series. All are welcome!
Sponsored by:
Sponsored by:

Engine Making High Pitch Sound

Thread Tools
 
Search this Thread
 
Old 12-04-2017, 10:11 PM
  #1  
New Members
Thread Starter
 
AKAGalford's Avatar
 
Join Date: Dec 2017
Location: Colorado
Posts: 1
Likes: 0
Received 0 Likes on 0 Posts
My Ride: 2009 BMW 528i xDrive
Question Engine Making High Pitch Sound

Hello Everyone,

I recently purchased a used 2009 BMW E60 528i xDrive when my previous vehicles engine died. I've had BMW's in the past and I'm glad to be back into one for my daily driver but my vehicle needs some TLC.

This is the second time this has happened to me so far - If I turn off the engine and restart the sound stops and doesn't come back. The first time it occurred was a month ago.

Quick Information:
Engine is the N52
Coming up on 120,000 miles on vehicle
My Guess - Belt Tensioner Bearings?

Whats your guess?
Old 12-06-2017, 05:51 AM
  #2  
New Members
 
audiophool's Avatar
 
Join Date: Oct 2012
Location: Chestermere AB
Posts: 757
Received 13 Likes on 13 Posts
My Ride: 535xi
Model Year: 2008
Default

Does the pitch change when you speed up the idle?
Old 12-06-2017, 05:55 AM
  #3  
Members
Senior Members
 
KyleB's Avatar
 
Join Date: May 2012
Location: Tampa Bay, FL
Posts: 2,539
Likes: 0
Received 10 Likes on 6 Posts
My Ride: 530i
Model Year: 2004
Engine: M54
Default

who's high pitch?
Old 12-06-2017, 03:32 PM
  #4  
New Members
 
EF1 MOTORSPORTS's Avatar
 
Join Date: Dec 2017
Location: Signal Hill Ca
Posts: 1
Likes: 0
Received 0 Likes on 0 Posts
My Ride: 2000 528i Touring 5 Speed Manual
Default

It sounds like the oil separator. Try to take the oil filler cap off while running if its hard to take off then its is the oil separator.
Old 12-06-2017, 07:14 PM
  #5  
New Members
 
E60Japanese's Avatar
 
Join Date: Jan 2015
Location: Japan
Posts: 356
Likes: 0
Received 1 Like on 1 Post
My Ride: E60 2006 sedan auto
Default

If it's on the right side down low it is probably a belt pully bearing near the air conditioner compressor
Take off the belts and start the engine again to see if the noise goes away




All times are GMT -8. The time now is 01:29 PM.