https://static.nhtsa.gov/odi/rcl/201...8V248-8708.pdf

If the problem is with the same electronic auxiliary water pump, there's a recall bulletin that might help my X5.

Will bring it to the dealership and have them examine the issue first.

At least I can get a proper diagnostic before deciding to diy.

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2003 X5 4.6is Estoril Blue, acquired March 2018
2013 128i M Sport 6 MT Space Grey daily driver
2010 535xi 6 MT Barbera Red