Lots of lights on 740i

Drive a 2000 740i to relatives on Xmas eve - all working fine - left outdoors.
Start on 27th and the ABS, DSC and Brake lights all came on and the Sat Nav
only updated every few minutes and became hopelessly confused. Actual braking unaffected, although one assumes the ABS was off.
I think it is a goosed ABS sensor and the faults are all related.
Any alternative views.
--

R. Mark Clayton

snipped-for-privacy@btinternet.com
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Codes?
JB
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Front near side wheel speed sensor. Now on order.
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Finally got it fitted today - should have been easy - unplug and pull out the old one, push in the new one and plug it in, BUT it was tight so the wheel, disk, hub and deflector all had to come off to swap it.
All the lights have gone out and the navigation has recovered.
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