when I check I got 2 different gear wheel tooth belt,
the first picture I is not round I got from e30 m20 crankshaft and the second picture is round shape and attach to the vibration damper pulley I got from e34 m20.
which should I use and better? or it is same? and which make me easier to change the cambelt next?
first picture from e30
second picture from e34
