[pharding]

To maximize performance of the steptronic, this works the best. Turn off dtc, turn off dts, and use sport mode. It also gets rid of the hesitation with kickdown mode.

[govtec]

but i am maximizing drivers risk bc i am not trained with dtc and dts off.

[Oz]

Thanks for the advice pharding. I would do this only If I was racing or chasing someone but I just don't see the big deal with this steptronic hesitation that so many people are complaining about

I have driven other automatic cars before (dodge,chevrolet,mitsubishi,mercedes) and this is the faster one I driven so I'm pretty happy with that

[arcrox]

Only if steptronic had launch control...

[bpbenda]

Originally Posted by pharding

To maximize performance of the steptronic, this works the best. Turn off dtc, turn off dts, and use sport mode. It also gets rid of the hesitation with kickdown mode.

Well, since DTC cannot repeal the laws of physics, what the hell good is it for anyway? I will try this tonight on my way home. I just hope that I don't end up in a ditch.

[hamann3]

When I had my X5 (crashed by a fool who ran a red light), I had the Dinan automatic and software download. It helped on the launch and revs on the steptronic....

I'm waiting for Dinan to come out with something for E90...

[pharding]

Originally Posted by Oz

Thanks for the advice pharding. I would do this only If I was racing or chasing someone but I just don't see the big deal with this steptronic hesitation that so many people are complaining about...

Just try it. You'll like it. The tranny works great this way. It shifts beautifully. On e60.net the times that people are getting with a g-meter are impressive. The steptronic definitely works best this way compared to other options.

[Oz]

Originally Posted by pharding

Just try it. You'll like it. The tranny works great this way. It shifts beautifully. On e60.net the times that people are getting with a g-meter are impressive. The steptronic definitely works best this way compared to other options.

I will try it tomorrow and let you know but I just don't see myself with DTC/DSC off..

[alpinewhite3]

I'll try this tomorrow too, but what does turning those 2 things off have to do with the transmission?

[Kamando]

Originally Posted by pharding

To maximize performance of the steptronic, this works the best. Turn off dtc, turn off dts, and use sport mode. It also gets rid of the hesitation with kickdown mode.

Thats what the manual tells you to do

[BMW F22]

so if you turned everything off, the E90 will slip and slide all over the place??? this is what im getting out of all the posts so far. i've turned them off before but didnt notice a lot of slipperage. UNless you freaking go crazy...

[pharding]

Originally Posted by agent0986

I'll try this tomorrow too, but what does turning those 2 things off have to do with the transmission?

DTC and DSC are two nannies that among other things interact with the throttle. They interact with other components of the car which is described in the manual. The lag or hesitation that people complain about. including my son, occurs in normal Drive mode when one floors it into kickdown mode with DTC and DSC enabled. The transmission quickly downshifts two gears in many cases which still takes time. The engine hesitates at this point because the dtc/dsc throttles the engine slightly so that the wheels do not break traction and the car is not put into a position where it could it could loose stability. Meanwhile you, having floored the car into kickdown mode, are expecting the car to jump forward, at whatever speed that you are travelling, experience something that is similar to turbo lag, but slightly worse. The BMW enthusiast is justifyably mystified and disappointed by what feels like sloppiness and non-performance. This is slightly less noticeable in in D/S, or sport mode.

In D mode, the tranny actually works better in many instances, if one does not push into kickdown mode. My work around for passing is this. If I am driving in D mode with DTC/DSC on and I want to pass someone on the highway, I generally quickly shift over to D/S and push forward on the stick twice rapidly to downshift two gears simultaneously pushing the accelerator into kickdown mode.

Obviously the downside to disabling is that by disabling DTC/DSC the car is put into a potentially less stabile state. However car enthusiasts got along well for years without these two electronic aids in cars that are were inherently less stable than the current BMW's. When I was 21, I drove a 1969 Mustang Mach 1. While it was inherently much less stabile than current BMW's I still managed to keep it on the road.

I suggest experimenting your BMW in a safe manner. What I have not tried is disabling DTC with DSC dumbed down and still partially on.

[D-Rock]

So basically you hold dtc for couple of seconds till that otherthing pops off ?

[pharding]

Originally Posted by paintball pete

So basically you hold dtc for couple of seconds till that otherthing pops off ?

Yes after DTC is disabled, continue to hold the button down until DSC is fully disabled. Unfortunately these two controls reset when you turn off the car.

[FeeBear]

What is Sport Mode on 3 Series?

[kobechrome]

Originally Posted by FeeBear

What is Sport Mode on 3 Series?

On the automatic optioned cars - throw the shift knob to the left after you put it in drive. Step on pedal. You are now in Sport mode.

Downshift or upshift. You are now in steptronic mode.

[lux.sh]

Originally Posted by pharding

Yes after DTC is disabled, continue to hold the button down until DSC is fully disabled. Unfortunately these two controls reset when you turn off the car.

Can you explain how to disable both?

Press the DTC button, and hold it down?

[Oz]

Lux, how the button for like 5 seconds and it will disable both. You will see it the Triangle on your Dash and a message on iDrive if you have it

[FeeBear]

Thanks Kobe

[lux.sh]

Thanks Oz for the tip.


Well I tried this this morning. Honestly, found no difference between the two yet(haven't done any "serious" testing in local backroads I goto though).

Problem is, my steptronic felt so damn responsive than ever today(in regular modes, dsc/dtc on or off).

[BMWLV]

335i... is it here yet, is it here yet, is it here yet.