Maximum Cooling Requirement - BMW B46TU Reference Manual

B46TU￿/￿B48TU￿Engines
3.￿Cooling￿System
3.3.4.￿Maximum￿cooling￿requirement
The￿maximum￿cooling￿requirement￿is￿shown￿at￿point￿E￿of￿the￿heat￿management￿module￿circuit
diagram.
Maximum￿cooling￿requirement
To￿provide￿maximum￿cooling￿at￿high￿dynamic￿loads￿and/or￿high￿ambient￿temperatures,￿the￿radiator
connection￿is￿fully￿opened￿(100%)￿and￿the￿bypass￿line￿is￿completely￿closed￿.￿Additionally,￿the￿heater
circuit￿is￿90%￿closed￿to￿achieve￿the￿maximum￿cooling￿thanks￿to￿the￿maximum￿coolant￿volumetric￿flow
through￿the￿large￿coolant￿circuit.
25