Alright so this one is a bit complicated (in my head) but it might be easier for you E30 savvy’s.
Back story: There isn't much i know about this car other than whats currently on it.... The car is an 84 325e that came originally with the m20b27 engine on it and I'm not really sure what ECU or cluster came with the vehicle. Right now the car has a later model M20B25 with an ECU ending on 173 (the fancy one). The cluster was replaced at some point and I'm not really sure if it was because the previous one stopped working or because its needed in order to work with the ECU. I know for a fact that the tachometer is different on an E30 equipped with a B27 and a B25 so that's most likely the reason why they performed the cluster swap.
My issues begging with an SI board that the LED bar doesn't seem to be working and an always on light that i don't really know what it means. Attached the picture with my cluster and an arrow pointing at my always on light.
Not really sure if the back story was needed but just figured it might help. \
Thanks in advanced everyone!
Back story: There isn't much i know about this car other than whats currently on it.... The car is an 84 325e that came originally with the m20b27 engine on it and I'm not really sure what ECU or cluster came with the vehicle. Right now the car has a later model M20B25 with an ECU ending on 173 (the fancy one). The cluster was replaced at some point and I'm not really sure if it was because the previous one stopped working or because its needed in order to work with the ECU. I know for a fact that the tachometer is different on an E30 equipped with a B27 and a B25 so that's most likely the reason why they performed the cluster swap.
My issues begging with an SI board that the LED bar doesn't seem to be working and an always on light that i don't really know what it means. Attached the picture with my cluster and an arrow pointing at my always on light.
Not really sure if the back story was needed but just figured it might help. \
Thanks in advanced everyone!
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