*UPDATE* So, I bought a new battery and installed it.

The truck (SUV for ard ) is now starting perfectly, but everytime I let it sit for a few minutes or so, I have to reset the clock when I turn it back on.

This sounds like I have to go to the dealership to have it reprogrammed. Anyone disagree or know what the issue may be?

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2008 X5 3.0 - Sapphire Black Metallic, Tobacco leather, Sport, Premium, Cold Weather
2002 E39 M5 - Carbon Black Metallic, Black leather
2013 S1000RR - Insanely fast!!