This may help also...directly from realoem:

01Remanufactured coolant pump, electric111517586925$493.75
only in conjunction with
--Set of alu. screws water pump8X32111510392553$7.56
Attention!
Aluminum screws may only be used once.
For additional information, refer to the
repair manual!


For vehicles with
Chassis & suspens. setup"Adaptive Drive"
or
Autom. climate control with 4-zone ctrl
S2VAA=Yes
S4NBA=Yes
01Remanufactured coolant pump, electric111517546996$539.42
only in conjunction with
--Set of alu. screws water pump8X32111510392553$7.56
Attention!
Aluminum screws may only be used once.
For additional information, refer to the
repair manual!

__________________
Current BMW's:
2013 E70 X5 xDrive35i Premium (mine)
2014 F25 X3 xDrive28i (hers)
Past BMW's:
2001 E46 325i
2001 E46 330ci
2003 E39 525i
2006 E53 X5 3.0i
2008 E70 X5 3.0i
2014 E84 X1