Just had a look, and listen and it sounds like the problem is at the
other end, the pump fires but it is a very dry sound, as if the water
is not even getting that far!
I'm looking at my Haynes right now to see how to get at it...
also, after reading the BMW manual properly for the first time (only
had the motor 2 months) should I be putting proper BMW Intensive Wash
stuff in the other pot or can I just put in any old concentrated
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