The vehicle's battery is responsible for starting and powering accessories while the vehicle is off and while running. During extremely hot or cold weather an aged battery will struggle to start or even charge properly.
This is the Genuine BMW positive battery cable (plus pole) for 3 series 2006-2013 and 1 series 2008-2014. This cable often needs to be replaced after collision damage. When doing any sort of repair or maintenance there is no replacement for genuine factory parts.
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