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Yes.. My 328d felt sluggish after the EGR cooler replacement and was down on fuel mileage, so I called the service manager and asked if he heard of this after the EGR fix, he said no. But he did offer to perform an adaption of the engine and transmission and a test drive with a mechanic, no charge!!. After the adaption the car had to re-learn and performed much better and now back to normal...
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