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Strange problem with 325is

1K views 4 replies 3 participants last post by  silversled 
#1 ·
When i first start the car it will idle fine but once i start to drive away it will bog-down but the engine wont stall or anything it just bogs. then, once the engine warms up a bit, it will run fine and feels like it did when i first got it. every once-in-a-while when i take a 30 min. or so ride around the area it will start boggin down. its fine if im just barely giving it gas but once i hit the gas hard its as if im half-way with the gas pedal. i narrowed it down to either the Throttle Position Sensor or the Idle Speed Regulator. can someone help me out?:help
 
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