Quote:
Originally Posted by Overboost
Telematics Control Unit (TCU) Pull fuse 74 in the back and see if the car goes to sleep after 16 minutes. It was the problem causing my parasitic drain a couple of years ago and keeping my X5 from going into sleep mode but mine is a 2004.
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Yep. TCU is frequently the problem. Finally just dumped it on mine as I never used it anyway. Haven't had a parasitic drain problem since.