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      09-15-2011, 01:33 PM   #5
Superspeed
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Drives: 640i, 120d, Cooper S
Join Date: May 2011
Location: Oslo, Norway

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Quote:
Originally Posted by ATX78703 View Post
congrats! thx for the thorough review. Can't wait till the newer tuned N55 trickles over to the other models in the states.

Do you notice any issues with throttle tip-in or lag on the 8AT?
ATX:

The 8AT is the smoothest and silkiest there is.
However what I experience is that when pushing the pedal for acceleration it takes time for the car to respond. You would expect an instant downshift and then instant acceleration. More or less in the same moment.
Since the transmission is so soft and quiet I can't really figure out wether it is the downshift process that takes time, or if the lag is due to building up pressure in the turbo. When dring in Sport mode you are normally in a lower gear and this reduces the lag. But it can be felt even then.

Since I used to be a hard core manual driver may be my expectations to this advanced AT were just to high
And since everything else is so perfect it's easy to pick on this.

I wonder what experiences other 640-owners might have?
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