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Hi,
had an F11 Engine N52B30 built May 2012. Finally sold it, as BMW was not able to fix resp denied the jerking, surging, bucking and partially zero response when trying to overtake or when making a turn. Besides being a very annoying comfort limitation, its even a serious safety concern.
Car was esp in low speed situation unpredictable in its response.
Changed various parts:
Vanos Solenoids
Eccentric Shaft Sensor
MAF
Plugs
Coils
latest software
Nothing remedied the situation and BMW kept insisting car operates as it should without any parts being faulty.
Quite upset with BMW.
Cheers
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