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Home >> BMW >> 2011 >> X5 35d >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Functional Description - Engine Performance & Emissions - Except Diesel >> Engine Performance & Emissions, Gasoline Engine - Functional Description >> Detection of engine speed variations >> Engine speed variations in the case of sooting

Engine speed variations in the case of sooting

If the intake area is sooted, increasing engine speed variations occur as the engine speed increases.