Quote:
Originally Posted by corn18
It's not turbo lag, it's the computer dumbing things down. When I bought our X3 M40i, it was a rocket. Over time, it became a dog. Then I towed a 5,000 lbs trailer over 20 hours. When I dropped off the trailer, the first words out of my mouth were "holy shit!". The X3 was back! Now a month later it has become boring again. Not sure why BMW has installed an old lady algorithm, but when it is new, it is faaaaaaaast.
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Yep, it's definitely not turbo lag. The modern turbos push pressures at below 2K RPMs. It's the throttle/transmission adaptation logic that they use that adds another "brain" between the gas pedal and the engine.
There are ways to force reset the adaptations. The other way is to drive it aggressively once in a while, forcing lots of downshifts.