Coolant Thermostat Housing Assembly 11537644811 Compatible With 230i 320i 330i 330e 420i 430i 520i 530i 530e

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Model Compatibility: Fits 230i, 320i, 330i, 330e, 420i, 430i, 520i, 530i, and 530e vehicles as listed in the title. Part Number Match: Replacement 11537644811 to correct specification alignment with the housing assembly. Component Function: Restores standard engine coolant thermostat housing function without altering the designed or function of the vehicle system. Installation Scope: Designed for direct replacement of the existing thermostat housing assembly on compatible models using standard installation procedures. Application Purpose: Serves as a functional substitute to maintain factory specifications for the listed model series and part number.