Hi, I am new member, my first post :) Got hold of a nice E34 with a M20B28 rebuilt 53tkm ago, need to investigate whether it was mapped. My impressions are that it's not mapped (also rev limit 6.5) and perhaps even the cam is left stock. Planning later to put this engine in my E30. While it's runni...

Hi, I am new member, my first post :) Got hold of a nice E34 with a M20B28 rebuilt 53tkm ago, need to investigate whether it was mapped. My impressions are that it's not mapped (also rev limit 6.5) and perhaps even the cam is left stock. Planning later to put this engine in my E30. While it's runnin...