Audi A4, A5, Q5, RS4 - Radiator Expansion Bottle (B8) Peugeot 205 Always ensure the integrated water-in-fuel

Always ensure the integrated water-in-fuel sensor port on the filter bottom is properly sealed when completing this installation

Audi A3 Sportback (8P / 8V / 2004 – 2020)

BMW X1 (E84) sDrive20i / sDrive28i / xDrive (Engine: N20

This unit regulates the volumetric ratio of air and petrol across the rev range

0 EcoBoost / 1

Audi A4, A5, Q5, RS4 - Radiator Expansion Bottle (B8) Peugeot 205 Always ensure the integrated water-in-fuelDescription High performance Radiator Expansion Bottle (OEM 8K0121403G) engineered for durability and precision within the pressurized cooling systems of Audis B8 platform. This coolant reservoir is designed to manage thermal expansion and maintain optimal pressure levels throughout the engines operating range. Featuring a construction that is highly resistant to extreme temperature fluctuations and high pressure, it ensures the integrity of the