Two (2) years ago, I removed the fuse for the HL pump to conserve juice.
The HL system uses a lot of juice and most of the time it is useless anyway.
I'd rather save the juice for the windshield glass.

So far so good with the fuse removed.

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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT