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The BMW 323i's P1250 code refers to the fuel pressure regulator for the ci model. If you're curious about the function of a fuel pressure regulator, it helps maintain the fuel pressure in the Electronic Fuel Injection System by allowing more fuel to reach the engine when needed. This is crucial for providing fuel to the injectors. If you ever need to swap out the regulator, the average replacement cost ranges from $250 to $340. Labor costs typically fall between $100 and $130, with parts priced at $150 to $200 on average.
The code P1250 on a 2000 BMW 323i indicates an issue with the fuel pressure regulator for the car's fuel injection system.