i recently picked up an 89 325i did a 5 speed swap, got everything in and running. once i got it started i noticed that the tach, mpg, and temp gauges do not work. so i read up on what could be wrong and decided to take the cluster out to see whats going on. i found that the battery seems to be leaking and i was wondering if the board is no longer usable from the leakage.







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