water pump BMW X5 2000 E53 M62TU Engine Workshop Manual

Page 14 of 37

14
IHKA SYSTEM AUXILIARY PUMP
The auxiliary water pump for the IHKA is mounted on the left side of the radiator. The func-
tion of the pump remains the same as follows:
• provide adequate coolant flow for IHKA opera-
tion.
• provide coolant circulation for the REST function
of IHKA.