Thanks gents. I did not get a chance to get the splash guard and all that other stuff out of the way so I did not get to use the mirror to check the brand, but thanks for the photo, now I know what to look for!

I was however able to get the cluster tests to work. With engine OFF, test #9 says 116, which I assume means 11.6volts. With the engine ON, test #9 says 111 (or 11.1v).

The battery was fully charged 2 weeks ago and the car had been sitting in the garage without me messing with it for 2 weeks and I can't believe it has discharged the battery that much just sitting there. :-)

Now that the test showed me the low voltage while running, I am going to assume that means that alternator is bad and so will spend some time tomorrow removing the alternator.

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2001 BMW X5 3.0i, Automatic, Gasoline