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Alex 9/24/2011
1997 BMW 328is Base 6 Cyl 2.8L - Engine
I changed the engine oil and filter on my 2.8L BMW 328is and the Car is only getting 11.3 miles per gallon. Any advice?
Miles per gallon should be over 20.
1 Answer
  • Bill
    Bill 9/24/2011
    Things could affect MPG. Dirty air filter, fouled plugs, Vacuum hose leak, Other vacuum leaks, Oxygen sensors, timing, type of oil, type of fuel, tires not inflated properly, worn axles, worn wheel bearings, brakes dragging, to name a few.

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