Quote:
Originally Posted by cuban_bmwx5
no it was running fine with fuse 74 out i left it out and started it on tuesday it worked.. and then yesterday i went to start it and it was dead.. but you think i should unplug the TCU instead?
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Ok did you put the fuse back in or is it still removed?
If putting the fuse back in made it drain the battery back down it may be the tcu. I would still try with the tcu unplugged and the fuse in. If the tcu is bad you need to leave it unplugged till you replace it anyways.