Have an E30 M3 cluster I'm going to install in my S50 powered '88. I seem to recall the S38B35 coding plug being the correct unit to use, to keep the tachometer accurate, but cannot remember for certain. Is this correct? Been a long time since I was considering doing this and I finally bit the bullet and bought a cluster...
I know the 325i coding plug will get me 87.5% there, but I don't want to do that....
I know the 325i coding plug will get me 87.5% there, but I don't want to do that....
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