water pump BMW X5 2004 E53 M62TU Engine Workshop Manual
Page 2 of 37
2
M62TU Engine / ME7.2
The 4.4i X5 is equipped with the M62 TU B44 (4.4 liter) engine. Features of the M62 TU
engine include:
• Digital motor Electronics Control ME 7.2.
• Variable positioned intake camshaft VANOS system.
• “EML” Electronic Throttle Control System identified as EDK.
• Compact water cooled generator (F-alternator).
• Thermostat controlled transmission fluid/engine coolant heat exchanger system for
automatic transmission equipped vehicles.
• Non Return Fuel Rail (Running Loss Compliance).
• IHKA Auxillary Water Pump.
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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.