Quote:
Originally Posted by 493263
You need to try resetting your ECU. If that doesn't work, you may need to replace it.
My previous '98 528 did the same thing after 5 years. It only happens during high humidity and rainy days... and eventually everyday. Then it started messing with other more important things like traction control. I'm guessing the seal is broken in your ECU/TCU modules like what happened in mine.
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Disconnect the battery and reconnect to reset the ECU?