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-   -   Is it a transmission issue? (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/99904-transmission-issue.html)

heatmizr 02-27-2015 07:39 PM

But under 2k is where you drive a lot in the city, with all that down low torque, right?

e70junkie 02-27-2015 09:01 PM

Quote:

Originally Posted by bawareca (Post 1028956)
With the flash tune I have on my X5D now the engine pulls hard all the way to the redline and the "torque dip" is non existent now. A few times i layed on it until 120-130 mph and some passengers were shocked with what it is doing now. That is with slight increase in boost under 3200 RPM and stock boost 3200 RPM to redline. I actually have a great desire to reprogram the transmission now so it is not downshifting all the time. Of course if the RPM are under 2000 there is some lag, and it gets really bad at high elevation.

Yes, I'm getting exactly the same now on my X5d. Pulls really hard and consistenly through all reanges once it gets going. Under 2000 rpm I get the lag.
You mentioned reprogramming the transmission? Can you elaborate?

e70junkie 02-27-2015 09:02 PM

Quote:

Originally Posted by heatmizr (Post 1028959)
But under 2k is where you drive a lot in the city, with all that down low torque, right?

Yes, that's why it's so frustrating.

bawareca 02-28-2015 01:22 AM

Quote:

Originally Posted by e70junkie (Post 1028961)
You mentioned reprogramming the transmission? Can you elaborate?

I said "I wish" ;) We have the tools to read and write the transmission control module, but no idea which map is what. Someday maybe.


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