Quote:
Originally Posted by Toopskees
I have a 6-month old 2012 X5 50i. My local BMW dealer is offering the Dinan Stage 1 performance engine software upgrade at a 15% discount (or about $2,550). I am considering whether or not I should spring for this.
I have a couple of questions for those of you with experience in this area:
In practical terms, is there a noticeable improvement in performance with the upgrade?
Is there any effect on gas mileage?
Has anyone had issues after installation?
Thanks in advance for your advice.
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It took about two 7-10 days of driving before it felt like the power was "on tap", but now that the car has re-learned my driving style, it's pretty impressive.
I'm really continually amazed at the output. I'm exicted about the stage 2 upgrade, but have no idea when that will become available.
If you don't consider yourself mature enough for the inline 6, definitely get the upgrade. It's adds hooligan amounts of power, but only when you put your foot into it. Otherwise, it drives it does now.
As others have noted, gas mileage is pretty much the same on commuting duty. You only pay the penalty when you get on it, but otherwise the mileage is more or less unchanged.