E46Fanatics - View Single Post - New Fuel Filter = better performance?
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Old 10-02-2012, 03:31 PM   #7
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Join Date: Aug 2011
Location: Reading, Pennsylvania
Posts: 814
My Ride: 03 325xi, 01 325xi
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The fuel filter will start to clod with age and miles, slightly reducing flow and pressure and the pressure regulator itself will start to weaken with age and miles. Best to replace as the maintenance schedule recommends for cleaner fuel, better performance and cleaner injectors.
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