Hello guys,

This is my first post of probably many for my problem child: a 1991 325i convertible. I was hoping someone with more knowledge than me could identify what this is in the picture provided below.

I was driving one day, and started hearing a weird noise and pulled over. I looked under the car and noticed this was dragging across the road. It came undone and I don't know what it is to know where to put it. I've wrapped it around other wires in a knot for the time being. I'm unsure if this was just a coincidence, but my "Coolant" light on the overhead Check Light panel came on right after this cable dropped and has remained on since. It usually comes on within a minute of the car being on, and usually turns on quicker if I begin to drive right after turning the key, but it's always on.

This wire is hanging on the FRONT DRIVER SIDE UNDER THE ENGINE.

Thanks for any help y'all can provide. Sorry if the pictures massive. I suck at forums.

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