• Fixing BMW water pump

    This bulletin applies to BMW G05 (X5 sports activity), G06 (X6 sports activity coupe), G07 (X7 sports activity), G20 (3 series sedan), G22 (4 series coupe), G23 (4 series convertible) and G30 (5 series sedan) vehicles, produced from September 2020 to May 24, 2021.
    July 1, 2025

    This bulletin applies to BMW G05 (X5 sports activity), G06 (X6 sports activity coupe), G07 (X7 sports activity), G20 (3 series sedan), G22 (4 series coupe), G23 (4 series convertible) and G30 (5 series sedan) vehicles, produced from September 2020 to May 24, 2021.

    The belt pulley on the mechanical coolant pump may fracture, allowing the engine drive belt to come off. If the pump may require replacement, the new pump is P/N 11 51 5 A44 4F4.

    About the Author

    Mike Mavrigian

    Motor Age Editor

    Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of  specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

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