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      11-18-2012, 08:34 PM   #1
Mitch P.
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Sport mode vs normal - am I imagining things?

OK so I know, as an engineer, that I am opening myself up to ridicule here. I realize that sport mode for auto transmissions doesn't really do much more than change shift points to hold on to revs more, as well as make throttle inputs more sensitive....but on my '11 X535d I swear that it feels like it almost allows additional boost at ALL throttle positions - including WOT.

Now what I mean is this. Any vehicle, regardless of throttle position, should accelerate at the same rate when at WOT, but it really does feel stronger in S mode at WOT. At partial throttle I would expect this, but I did not expect this even at WOT. Am I crazy?

Before anyone asks, and I should have done this myself...I did not measure the times 0-Xmph at WOT at both normal trans settings, and S. Thus I think I just ridiculed myself
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      11-18-2012, 10:48 PM   #2
mik
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ive never had my x5 at wot, but i do flirt with sport mode often as it makes for a more fun drive, until you look at mpg, ive had some 9 mpg weeks in my 48i... but anyway. on my bike, which is almost always at wot lol, how hard it accelerates is dependent upon rpm, which depends on what gear you are in. so with sport mode moving the shift points back, keeping you in a lower gear a little longer, i assume you are taking off from a sweeter spot in the power band. so its kind giving you a headstart. if you werent in sport mode, the car would have to downshift 1st. in sport it just takes off since you are more in the powerband, making it feel faster.... maybe lol
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