View Single Post
  #4  
Old 02-08-2013, 12:17 AM
isaac540 isaac540 is offline
Registered User
Location: Nashville, TN
 
Join Date: Aug 2012
Posts: 36
Mein Auto: 1997 540i
That's normal for when the A/C is off. Turning the A/C on will boost it to around 650. Unless your engine is idling rough or anything else unusual, this shouldn't be a problem.
Reply With Quote