I have to say my 28i sucks at local driving. Turbo lag or some kind of engine hesitation, the car is not very responsive( I do have the up-to-date software). No matter from a complete stop or while the car is in motion, when you floor the gas pedal, for a whole second the car does nothing. And the car jerks between the first and the second gears, like when you drive slow in the parking lot. This is magnified when using the sport mode.
It has been a year since I bought my 28i. I like it, its very cool. But it does not drive as smoothly as I thought.
(Okay okay people are going to say that I should have gotten the 35i, but it's too late for the argument :dunno: )
I find the opposite in sport mode the car is very responsive. Throw the transmission into DS mode and car has no problem with city door-to-door combat.
Yea I also feel that sport mode makes the car more responsive. I was talking about the how the car jerks between the first couple gears. That happens more in sport mode, but also in comfort mode.
With most modern day transmissions, there is some sort of delay when flooring the car, I am not sure if that is due to the drive by wire or the computer. The transmission reset procedure works for some people but you have to do it once every months which is not a big deal.
I, too, own a 28i and like you I find performance at low RPMs to be lacking. It seems that below 2400 RPM acceleration lags. Above this, however, and the car goes OK.
The way I get around the lag is to put the trans into DS mode when accelerating from a stop. When moving and wanting some performance I go into DS mode and down shift until the RPMs read between 2400 and 3000 revs, generally this is in third or fourth. Doing this gets around the lag.
My 2014 x328i drives like a dream. No lag no nothing. In comfort mode, it's more comfortable than my previous 2010 MDX, in sports mode, it goes the milisecond I step on the gas. The word "instantaneous" comes to mind, just like my previous 07 335i. Your car has issues. Go have it checked out ASAP.
Besides the reset for the panoramic roof, this is the 2nd reset that I have learnt in this forum. Is there a compilation reset functions in the X3 forum somewhere?
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