2010 E70 X5 3.0d - A6D1 Error Code - Auxiliary Water Pump

[Sm[]key]

New error code discovered after my numerous tales of woe!

Racked some miles on this car over the last four months so can't complain too much, well over 10k in 4 months.

Any advise on this one?

Not really into sitting in my car to get warm.

[X5Sport]

I’ve had the same error code on mine for years with no issue. I’m not even sure I know where it is. Main Dealer has never raised it as needing action, nor has the Indy I use (all ex-BMW techies). I think it is part of the aux heating system but I don’t have that on the car as an option. Mine is a 2011 X6 40d.