Don't Forget about battery swaps. Its one of the things no one looks at first until there stranded in the middle of no where. Battery is no doubt already 5 years old and its about to die. So might as well swap the bat save your self from being stranded, and Random electrical errors. On the DIY list theres a list of batteries you can get and there no more than 100bux and easily changed by your self. =]

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2005 Black x5 3.0i