They tend to put them up nice and high to prevent water ingress. Basically, if you're in water deep enough to allow water back in through that tube - water ingress to the transmission will be the least of your troubles!

No idea what the wading depth of the X5 is. Not keen to find out!

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2005 3.0d Sport - Sapphire Black
Engine : Bluefin Superchip Tune,
Wheels & Sus: Style 168s (10.5s all round), H&R RDA Spacers, Bilstein B12, Eibach 40mm drop, Whiteline RSB
Exterior: Le Mans flares, 4.6is kit F&R
Interior: Dynavin N6, Blackvue DR650 dash cams

My Build Thread: http://www.xoutpost.com/bmw-sav-foru...run-sheet.html