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4V8 BMW 645Ci 2004–2005 4
2004–2006)
Prevents Leaks: Secure connection at both ends
ensuring proper secondary air system operation
PIERBURG Auxiliary Water Pump trw 4V8 BMW 645Ci 2004–2005 4This PIERBURG auxiliary water pump keeps coolant flowing in supercharger cooling systems, preventing overheating of the compressor. If the pump fails, coolant temperatures can rise rapidly and damage gaskets or hoses. Pierburg is an OEM manufacturer for Volkswagen and Audi, ensuring quality and reliability. Key Features & Benefits Critical cooling: Maintains proper coolant flow in supercharger systems. OEM quality: Manufactured by PIERBURG, OEM