The contact owns a 2016 BMW 528I. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that the ‘Coolant Low — Please Refill’, message was occasionally displayed. The contact stated that after refilling the coolant reservoir and driving for a while, the coolant level would be low again. The vehicle was not diagnosed or repaired. The approximate failure mileage was 94,000. VIN tool confirms parts not available.