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BMW 3 Series N52B25 Fuel Consumption and Jerking Issues

Hello everyone, I own a 2005 BMW 3 Series with a gasoline engine and a mileage of 322,600 km. I've been experiencing some issues with my car, specifically jerking during acceleration and poor fuel economy. My N52B25 engine is consuming 18 liters per 100 km, which seems excessive. I retrieved the code 002AAB, which is related to the DISA valves, but they appear to be functioning properly. Could anyone provide insights into what might be causing these problems and how I can resolve them? Thank you!

A 2005 BMW 3 Series with a gasoline engine is experiencing jerking during acceleration and poor fuel economy, consuming 18 liters per 100 km. The issue might be linked to the DISA valves, but they seem to be functioning correctly. A suggested solution is to check for vacuum leaks in the intake system, as these can cause both jerking and increased fuel consumption. Inspecting hoses and connections for wear or damage is recommended.

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Check for vacuum leaks in the intake system, as they can cause jerking and poor fuel economy. Inspect hoses and connections for any signs of wear or damage. Let me know if you find anything or if you have further questions!

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BMW

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