BMW e36 Heating Core Pipe 'Connection Flange' Heater Pipe 'Connection Flange' from Heater Core Pipes to Heater Core NOTE: This flange has 3 pipes. BMW part# 64 11 1 469 180, check fit below. Recently made by VAICO, not been lying around. Please see FITMENT CHART below, under PRODUCT DESCRIPTION. Email us your VIN for any questions.