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I generally drive in 'Sport' all of the time (love that exhaust note). Is there any way to make that the default so I don't have to press the button at each startup?

Not quite a highjack, but sport mode related, I have been meaning to ask what physically does it do to the car, exhaust and seats if you have them a given... I thought it just shortened the throttle 'throw' but in mine in non-sport I get a definate power surge at 5.5k revs, with sport on, its a smoother power delivery all the way through the range... so as with theaxe, I would prefer to have it on all the time without having to do it, or at least has anyone de-activated the exhaust valves so that they are open all the time??

Jason

When do you notice the exhaust note change?

We are still running the car in!

I heard throttle response, tighten the seats (bit pi$$ed about this one, as i assumed they were active as in the M5, but they just tighten & stay) unless you dis-arm Sports Seats in the DIS & of course the active valves in the zorst.

Tend to hit Sport when playing (showing off) or driving off the motorway, as the extra noise when motorway cruising is a little boomy (only a little).

As per BMW, the Sport button is a bit pointless but i guess giving drivers the option aint a bad thing. I've not noticed any real difference with throttle response between Sport & non-sport, although gear changes are a fraction more jerky in Sport.

Paul,

Do you not have the difference in power delivery, in particular the surge at 5.5k revs in non-sport mode that I described??

Jason

Will the car use more petrol when cruising on the motorway with sport mode switched on.

I've been wondering about the sport mode to. I'm still just running in, so not really caned it yet, but don't notice a great deal of difference. In my old M3 if you were running along at constant revs and pressed the sport, the speed would increase as the throttle sensitivity adjusted. This doesn't happen in the RS4.

I've got Recaro's so don't have the side bolsters inflate either.

Cheers

I have not noticed any change in economy with or without the Sport button pressed on constant low throttle.

55JWB wrote:Not quite a highjack, but sport mode related, I have been meaning to ask what physically does it do to the car, exhaust and seats if you have them a given... I thought it just shortened the throttle 'throw' but in mine in non-sport I get a definate power surge at 5.5k revs, with sport on, its a smoother power delivery all the way through the range... so as with theaxe, I would prefer to have it on all the time without having to do it, or at least has anyone de-activated the exhaust valves so that they are open all the time??

Jason

Opens the Exhaust flaps
Adjusts the seats
Shortens the throttle throw as you mention.
Power surge is the same regardless.
Power delivery is the same.
I tend not to use the sport button as i prefer not to be heard racing up the road and also the throttle becomes too sensitive to be able to drive the car smoothly.


_______________________
07 Model Year RS4
04 996 Turbo S with switchable ecu maps
580 hp on race profile on sunoco GT Plus
550 hp on fast road profile on super unleaded.


_______________________
07 Model Year RS4
04 996 Turbo S with switchable ecu maps
580 hp on race profile on sunoco GT Plus
550 hp on fast road profile on super unleaded.

Jezzer wrote:Will the car use more petrol when cruising on the motorway with sport mode switched on.

Same fuel consumption. Sport button doesnt alter the power output of the car whatsoever.


_______________________
07 Model Year RS4
04 996 Turbo S with switchable ecu maps
580 hp on race profile on sunoco GT Plus
550 hp on fast road profile on super unleaded.

I find there is a more up & go around the mid range rev band. Usually use it on the wee roads with twisty bits, keep in third & have lots of fun..........

mac4RS wrote:I find there is a more up & go around the mid range rev band. Usually use it on the wee roads with twisty bits, keep in third & have lots of fun..........

Imagination is a wonderful thing.



_______________________
07 Model Year RS4
04 996 Turbo S with switchable ecu maps
580 hp on race profile on sunoco GT Plus
550 hp on fast road profile on super unleaded.

I definately have a bit of a surge at 5.5k revs, but no such surge with the sport button depressed... more of a constant pull through the rev range... so should I make a trip to dealer if you guys are not reporting the same effect??

Thanks

Jason

55JWB wrote:I definately have a bit of a surge at 5.5k revs, but no such surge with the sport button depressed... more of a constant pull through the rev range... so should I make a trip to dealer if you guys are not reporting the same effect??

Thanks

Jason

The sport button has nothing to do with the 'surge' at 5.5k.The 'surge' is the peak torque point of the engine.Do a few test runs on and off, its the same. The exhaust note may be giving you the impression it is going faster with the sport button on.


_______________________
07 Model Year RS4
04 996 Turbo S with switchable ecu maps
580 hp on race profile on sunoco GT Plus
550 hp on fast road profile on super unleaded.

Surely it's just throttle response... Without Sport pushed, you can make small throttle adjustments with little or no change in actual input. With it activated, every minute change in position is delivered straight to the engine.