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The heater inlet pipe is a critical component in your BMW's cooling system, responsible for directing hot coolant from the engine to the heater core. This OEM-equivalent part (11531705210) ensures proper temperature regulation and cabin heating performance across multiple BMW models including the E46, E39, E38, and Z4 E85 platforms. Engineered to withstand high-temperature coolant flow and system pressure, this pipe maintains factory specifications for durability and reliability. Ideal for replacement during routine maintenance or when addressing cooling system issues. Direct fit installation with no modifications required.
This heater inlet pipe (OEM part number 11531705210) serves as a vital conduit in your BMW's thermal management system, channeling heated coolant to the cabin heater core. Precision-engineered to meet BMW specifications, it delivers consistent performance across E46, E39, E38, and Z4 E85 chassis. The component withstands elevated coolant temperatures and system pressures while maintaining structural integrity over extended service intervals. Essential for restoring full heating capacity when original pipes degrade or fail. Factory-spec construction guarantees seamless integration without fitment complications or adapter requirements.
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