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Old 12-30-2012, 11:41 AM
Dackelone Dackelone is offline
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Location: Bayern, Germany
Join Date: Apr 2012
Posts: 136
Mein Auto: 540i v8 manual
Have you check for engine codes? ODB-II codes.

Might be your MAF (Mass Airflow Sensor). You could unplug it and see IF the engine runs better. They do go bad. Air filter Ok? Spark plugs, ect?
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