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6 Series DIY
6 Series Do It Yourself (DIY) forum.

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Old 02-08-2013, 11:09 AM
bcorwin bcorwin is offline
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Location: San Carlos, Ca
 
Join Date: Jan 2011
Posts: 52
Mein Auto: 650i Convertible
Throttle test procedure?

under moderate to heavy acceleration the engine loses power (rpm drops and then comes back at constant pedal position). No codes are registered. Maybe a failing throttle position sensor or actuator? Since the throttle is over $500 is there some way to test it? What is the procedure?

This does not happen if the car is in neutral and I just slam on the gas. Only when the car is moving and in gear, and more pronounced in the higher (3+) gears, then in first or second.
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