Sound may be coming from vanos units or a hydraulic timing component that oil has drain out from days of not having oil pressure. S65 runs of oil pump for timing hydraulics older M motors had dedicated pumps and gas charged cylinders to help hold oil in timing hydraulics.
Originally Posted by ///M Power-Belgium
Congrats man with the VT3
Now about the video...the start up of the motor,i can hear at 0.06 run time in the video the famous clack...bang sound,my engine is stock,and i have it too,when i don't drive the car for 3-4 days, and it's realy scary sometimes,and when i drive here every day...no clack...bang sound
BTW...there is a tread about this problem,but no solution !
So...my question is...is there someone with a solution for this problem ?
Thanks in advance.........