[Pseudo Nim]

Originally Posted by Overboost

Well for one my speedo is off about 5mph at 80 and if I wanted to change my finald drive ratio it would be off even more. So the ability to correct the speedometer.

Put larger wheels on.

[Longbow64]

Always a great experience on the forum where even the simplest post is replied to with negativity. People requested no SES on valet start-up and that was well received and implemented. Trust me, I prefer Shiv's time and effort spent on performance enhancement as well.

[AltecBX]

Originally Posted by Overboost

Well for one my speedo is off about 5mph at 80 and if I wanted to change my finald drive ratio it would be off even more. So the ability to correct the speedometer.

I see what what you mean. I wouldn't want to rely on an external computer for this though. BMW should fix this for us through their software update.

[themyst]

Originally Posted by AltecBX

I see what what you mean. I wouldn't want to rely on an external computer for this though. BMW should fix this for us through their software update.

It's off anywhere from 3-4 MPH @ 80 MPH. This is a feature I would be very interested in as well. I tend to look at my 9500ix for MPH readings over the actual speedo for that very reason.

[Glowin]

Originally Posted by themyst

It's off anywhere from 3-4 MPH @ 80 MPH. This is a feature I would be very interested in as well. I tend to look at my 9500ix for MPH readings over the actual speedo for that very reason.

So the speedo shows the speed 3-4 MPH higher than actual, or lower?

[Pseudo Nim]

Originally Posted by AltecBX

I see what what you mean. I wouldn't want to rely on an external computer for this though. BMW should fix this for us through their software update.

Originally Posted by themyst

It's off anywhere from 3-4 MPH @ 80 MPH. This is a feature I would be very interested in as well. I tend to look at my 9500ix for MPH readings over the actual speedo for that very reason.

Originally Posted by Glowin

So the speedo shows the speed 3-4 MPH higher than actual, or lower?

The displayed speed is usually slightly higher than your actual speed. This is not a "problem" - this is an intentional "feature" to reduce speeding (I'd assume). Interestingly, car manufacturers have been sued over this based on them denying warranty at (say) 100,000 km sharp whereas, based on the % display error the car only _REALLY_ travelled 100,000 - x% where x% is the read variance of the speedo (since don't forget, if your "displayed" speed is 5% higher, then you are clocking kilometres 5% faster on the odometer as well).

[Pseudo Nim]

You know what would be a neat feature? Since the Procede already knows what the outside temperature is, it should have an option to disable traction control if outside temp is over (say) 15 degrees Celcius (2348923789 Fahrenheit). That way when it's "cold" DTC would be on for safety, and when it's hot out, it'd stay off for performance.

[edo]

Originally Posted by Pseudo Nim

You know what would be a neat feature? Since the Procede already knows what the outside temperature is, it should have an option to disable traction control if outside temp is over (say) 15 degrees Celcius (2348923789 Fahrenheit). That way when it's "cold" DTC would be on for safety, and when it's hot out, it'd stay off for performance.

I prefer to decide wether the stability control should be on or off myself. And it isn't really difficult to press the DTC button.

P.S. Differnt cars loose traction at different speeds or temperatures. I loose traction even at +30 degrees Celcius. Oh, and what if it rains?

[Pseudo Nim]

Originally Posted by edo

I prefer to decide wether the stability control should be on or off myself. And it isn't really difficult to press the DTC button.

P.S. Differnt cars loose traction at different speeds or temperatures. I loose traction even at +30 degrees Celcius. Oh, and what if it rains?

Okay, in that vein of thinking, do you also drive in valet mode all the time? It is, effectively, just like saying "I don't want to have any maps loaded on startup, I prefer to have Valet mode on all the time - it's not hard to double-tap the DTC button to load up a map."

Clearly, this would need to be an optional setting, but some people might want to have traction control off at all times. I want it off - even if it rains - I drive sensibly enough that I hardly ever lose traction at all. This preference would be different for RWD vs AWD cars, of course, but that's it again - a settable preference.

[fisherbln]

+1 on the request for speedometer correction. I was planning to ask for this one myself, glad someone beat me too it.

[Pseudo Nim]

Originally Posted by fisherbln

+1 on the request for speedometer correction. I was planning to ask for this one myself, glad someone beat me too it.

I am probably speaking out of my league here, and shiv and the team would be the ones to confirm/deny this, but I don't think the car knows the real speed. It's not like the actual gauge fudges the displayed value - the entire system is truly "mis-reading" your speed. And, since it's based on wheel rotation, if you change your tires to a different geometry, you're introducing further error into the system - there is NO WAY the Procede can do this without you TELLING it what the % of error is (and you yourself don't really have any way of knowing that without using third-party equipment - a GPS, a Racelogic, whatever).

If you want an accurate reading on the speedo, just put a different geometry of wheels compared to what came stock. For example, on a standard non-sport 335xi, the speedo is off by about 5-6 km/h on standard 225/45R17, so if you put 245/40R18s, you "gain" about 5%, and your speedo becomes dead accurate.

[fisherbln]

Originally Posted by Pseudo Nim

If you want an accurate reading on the speedo, just put a different geometry of wheels compared to what came stock. For example, on a standard non-sport 335xi, the speedo is off by about 5-6 km/h on standard 225/45R17, so if you put 245/40R18s, you "gain" about 5%, and your speedo becomes dead accurate.

It seems like your example would only make it worse. When I use the wheel calculator in the Wheels and Tire forum, it says the change in your example would make my speedometer read 64mph @ 60mph. If the speedometer was already reading 5% over to begin with, I'm now traveling at 57mph (actual) and the speedometer is reading 64mph. Is there something wrong with the calculator or am I not understanding this correctly?

[edo]

Originally Posted by Pseudo Nim

Okay, in that vein of thinking, do you also drive in valet mode all the time? It is, effectively, just like saying "I don't want to have any maps loaded on startup, I prefer to have Valet mode on all the time - it's not hard to double-tap the DTC button to load up a map."

Sorry, but your comparison is nonsense. You are comparing two absolutely different situations. I will not even bother explaining why.

Originally Posted by Pseudo Nim

Clearly, this would need to be an optional setting, but some people might want to have traction control off at all times. I want it off - even if it rains - I drive sensibly enough that I hardly ever lose traction at all.

Then why oh why did you write about temperature dependant feature? That's another big nonsense. It doesn't matter, 15C degrees or 30. Some cars have LSDs, some have wider tyres, some are more powerful, it even sometimes rain (LOL) and temperature is almost irrelevant when talking about traction.

[AltecBX]

With the evolving progress of canbus, can the Procede now have a Dyno?
It pretty much measures and reads RPM, Speed, Gear, A/F, Fuel pressure, Oil temp, engine temp, Air mass, EGT, Boost, IAT, etc.. And now with the tapping of the Dashboard, can we use a gauge to give us an approximate Engine Torque and HP our cars are producing. And just like the future introduction of peak boost recall in the boost gauge, can the same peak recall be introduce into something like this? Or maybe we can use the digital multi-display in the middle to give us those numbers instead of a gauge since we're using them more boost and meth flow.
Let me know what you think

[Pseudo Nim]

Originally Posted by AltecBX

With the evolving progress of canbus, can the Procede now have a Dyno?
It pretty much measures and reads RPM, Speed, Gear, A/F, Fuel pressure, Oil temp, engine temp, Air mass, EGT, Boost, IAT, etc.. And now with the tapping of the Dashboard, can we use a gauge to give us an approximate Engine Torque and HP our cars are producing. And just like the future introduction of peak boost recall in the boost gauge, can the same peak recall be introduce into something like this? Or maybe we can use the digital multi-display in the middle to give us those numbers instead of a gauge since we're using them more boost and meth flow.
Let me know what you think

+1 - excellent idea. if the veyron can have a hp meter, why can't we?!?!

[AltecBX]

Originally Posted by Pseudo Nim

+1 - excellent idea. if the veyron can have a hp meter, why can't we?!?!

1,200 HP
1,106T Q

[Christian_H]

I would love
rpm limiter until engine is warmed up (likre the M3)
Selectable warmup sequence
Adjustable rpm for the launch control
Instead of holding the brakepedal for the launch control you hold the upshift paddel or stick and floor the gaspedal. (If im not mistaken this is how the e36 M3s launch control works, correct me if im wrong)

[lndnny]

Originally Posted by Pseudo Nim

I am probably speaking out of my league here, and shiv and the team would be the ones to confirm/deny this, but I don't think the car knows the real speed. It's not like the actual gauge fudges the displayed value - the entire system is truly "mis-reading" your speed. And, since it's based on wheel rotation, if you change your tires to a different geometry, you're introducing further error into the system - there is NO WAY the Procede can do this without you TELLING it what the % of error is (and you yourself don't really have any way of knowing that without using third-party equipment - a GPS, a Racelogic, whatever).

If you want an accurate reading on the speedo, just put a different geometry of wheels compared to what came stock. For example, on a standard non-sport 335xi, the speedo is off by about 5-6 km/h on standard 225/45R17, so if you put 245/40R18s, you "gain" about 5%, and your speedo becomes dead accurate.

Another +1 on speedometer correction.


I remember reading that the odometer readings are correct, it’s just the speedometer DISPLAY that is wrong. If you check into the “hidden” computer menus, you can even find one that will show the actual measured speed vs. the displayed speed. See here (menus 08.00 and 08.01) -

http://e90.wetpaint.com/page/BC+hidden+menus

The problem with just going with a larger wheel is that in order to get the right correction with 19 inch wheels, you would have to run 2xx/35R19 wheels in the rear, which everybody seems to advise against.

Obviously, this feature would have to have a user adjustable correction factor - every car seems to have a slight variation. I'm off about 4 mph at 60 and 2ish at 40. Perhaps just a simple linear regression with speedometer displayed speed and a set externally measured speed. Example - a user input of what your speedometer says when your external device says 60 mph. It would be even easier if the actual speed in the hidden menu could be accessed through Canbus. If this feature were ever released, I feel that it would have to have a disclaimer - just like how catless downpipes are for off-road use only .

Meh, just bumping the idea again. I know how far off my speedometer is at 75-80 so I speed up to take that into account, but it's still disconcerting when I see a police car and look down to see my speedo hovering close to 90.

[Adamteee]

Originally Posted by slayer

I would love
rpm limiter until engine is warmed up (likre the M3)
Selectable warmup sequence
Adjustable rpm for the launch control
Instead of holding the brakepedal for the launch control you hold the upshift paddel or stick and floor the gaspedal. (If im not mistaken this is how the e36 M3s launch control works, correct me if im wrong)

+1 on the rpm limiter. The S2000's have them, and I think it's a very useful idea.

[saferisk]

+1 on RPM limiter, Speedometer correction and NA mode please!

[Kalud]

Requested in the XI forum, some made some experimentations and its known to be possible to disengage the front diff (clutch) for RWD only mode. Having the option to switch from both mode depending on the situation would be awesome.

See thread here: Does the 335xi have the option to be RWD like an STI?

[AltecBX]

Shiv can you add a more advance launch control for us. I've been using the vbox and think I can yield a better acceleration if you increase the rpm limiter. I was thinking of something like a two-stage launch control. We can have 2 profiles for both different maps. By using the steering wheel buttons as we do to adjust shifts lights, drivers can set the tach needle to a desired launch rpm in the command center(You can limit that to 4000). Floor the throttle and the engine will rev to the preset rpm until the brake is released, helping aid acceleration and vehicle control from a standing start.

If I'm not mistaken this is implemented in the firmware. I'm thinking you can add this for the user settings for the different maps. So for my map1, I can adjust my launch control to 2500rpm and when I want to be more aggressive out the line I can switch to map 2 and launch at 3200rpm. This will give the users the options of selecting the rpm they want to launch at, depending on their setup. (tires, all wheel drive, road conditions, etc)
WHAT DO YOU THINK?