guys,
just bot a 2000 model 540i m sport. offlate i have noticed a very slight knockn sound when idling. seems to go away when i increase throttle.
it speeds up as i step on the gas. doesnt get louder though. cant hear it well outside...have to pop the hood and listen real carefully....
any idea what it could be???
help me out guys...
thnx
cheers
just bot a 2000 model 540i m sport. offlate i have noticed a very slight knockn sound when idling. seems to go away when i increase throttle.
it speeds up as i step on the gas. doesnt get louder though. cant hear it well outside...have to pop the hood and listen real carefully....
any idea what it could be???
help me out guys...
thnx
cheers