Water Pump With Belt Pulley & Seals

Product Details

Engineered for ultimate heat dissipation and street-proven durability, the Febi Bilstein replacement switchable water pump is built to protect your BMW’s B46 or B48 power plant. On modern turbocharged engines, temperature control is key to maintaining consistent horsepower and preventing costly engine damage. As stock water pumps age, mechanical wear can compromise coolant flow, putting your engine at risk under spirited driving or track conditions. This premium Febi Bilstein unit replaces your worn unit with exact OEM precision, maintaining proper cooling circuit dynamics and thermal regulation. Pre-assembled with the belt pulley and supplied with fresh installation hardware and gaskets, it allows you to reset your cooling system back to peak performance with complete confidence.

Key Features

• OEM-Level Thermal Performance: Restores factory cooling efficiency to keep engine operating temperatures in check.

• Complete Assembly: Features an integrated belt drive pulley and fresh rubber seals to eliminate potential leak points.

• Engineered for Precision: Matches original BMW fitment standards for a quick, straightforward install.

• Switchable Flow Control: Designed to work directly with your BMW’s factory thermal control strategy.

• Hardware Included: Ships with replacement mounting bolts to complete the job cleanly.

Specifications

• Brand: Febi Bilstein

• Part Number: 184558

• Component Type: Engine Water Pump (Switchable)

• Impeller Material: Plastic

• Number of Vanes: 6

• Pulley Included: Yes (With Belt Pulley)

• Seals/Gaskets Included: Yes (Rubber)

• Hardware Included: Yes (Bolts/Screws)

• Part Weight: 0.6 kg (approx. 1.32 lbs)

• Cross-Reference OE Part Numbers: 11518638026, 11517644809, 11512367474

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Lifetime Replacement

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