As the title says, after my M50 swap the tach works fine, reads what I believe to be correct but then when the headlights are turned on and the cluster lights kick in, the tach drops. The temp gauge is always non functional, and the wiring between the C101 and x20 is correct for it. Anybody have any suggestions?
The car is a 1993 318i touring (formerly m40 powered). I took the cluster out to change it to a 6 cyl. coding plug.
The car is a 1993 318i touring (formerly m40 powered). I took the cluster out to change it to a 6 cyl. coding plug.
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