My new car - It's Mapped :)
#124
It is well specced yes with the logic 7 sound system which can blow my ear drums out Its missing head light washer jets and there is a car phone holder in the centre arm rest thing but no phone so i assume it doesnt have the BMW assist? I found blue tooth in the iDrive as well
#125
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I said that you'd love it when it was mapped.
BMW Assist would have a button on the interior light. The phone cradle in the centre arm have snap in inserts to fit a lot of phones and charges and boosts the signal of them
BMW Assist would have a button on the interior light. The phone cradle in the centre arm have snap in inserts to fit a lot of phones and charges and boosts the signal of them
#127
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#133
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#134
nice car and yes very quick!!
wernt there people on here saying how shit these turbo diesels were the other year??lol
for the road tdi is the only way to go!!
mad to drive anything petrol these days unless just for fun as the tdis are so quick aswell as great on fuel..
wernt there people on here saying how shit these turbo diesels were the other year??lol
for the road tdi is the only way to go!!
mad to drive anything petrol these days unless just for fun as the tdis are so quick aswell as great on fuel..
#139
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As far as a DPF is concerned, if it only really smokes when he boots it (above 1600ish rpm), it will be ok. The heat will burn the soot off. A DPF only really builds up soot quickly, if you drive foot to the floor when you have no boost. But even if you do this too much, it will just get hot and burn it off
#140
As far as a DPF is concerned, if it only really smokes when he boots it (above 1600ish rpm), it will be ok. The heat will burn the soot off. A DPF only really builds up soot quickly, if you drive foot to the floor when you have no boost. But even if you do this too much, it will just get hot and burn it off
This is what led to the development of the regeneration feature to superheat it and assist in the clearing. However, the excess soot generation very quickly causes the fill counters to max out and then you have problems as most dealers cannot clear them without fitment of a new DPF, some of which are well in excess of Ł1K.
Dont forget, once the smoke is easily visble you are 400%+ in excess of the maximum allowed soot generation for these systems to operate correctly. Just because you can only "see" the excess smoke on boost, doesnt mean its not also there to a degree off boost... and it usually is, as uneducated remappers tend to increase the fuel over the whole table in the "20% more fuel injected = lots of power everywhere" theory. LOL
So where is the rest of the soot? Clogging up the damn filter... we see it on boost as the excess exhaust pressure is often what blasts all the loose soot back out of it, thus we see a big cloud behind us first time we kick them hard with some boost and revs. A common customer report "it smokes badly, but only the first time i use it hard"
Also, excess regeneration and heat caused by soot can quickly destroy Cordierite filters, although the Silicon carbide filter cores are much more stable at high temps, but tend to clog a little easier - swings and roundabouts, but the fact remains that carbon soot will not burn below 600 deg C without a fuel borne additive, so the best thing we can do for these filters, is simply NOT to clog the damn things up via crap remapping in the first place. LOL
Anyway, i was thinking more pump tolerances and injector problems on this Transit if its the TDCi version. Smoke from them is BAD NEWS!
#142
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In theory this works, and led to them becoming mainstream, however, as often is the case, in practise it simply doesnt work properly as most UK drivers dont drive far enough to even get it hot. Look at the figures for DPF problems in the UK versus the continent - our average driving habits in the Uk do NOT favour the fitment of a DPF.
This is what led to the development of the regeneration feature to superheat it and assist in the clearing. However, the excess soot generation very quickly causes the fill counters to max out and then you have problems as most dealers cannot clear them without fitment of a new DPF, some of which are well in excess of Ł1K.
Dont forget, once the smoke is easily visble you are 400%+ in excess of the maximum allowed soot generation for these systems to operate correctly. Just because you can only "see" the excess smoke on boost, doesnt mean its not also there to a degree off boost... and it usually is, as uneducated remappers tend to increase the fuel over the whole table in the "20% more fuel injected = lots of power everywhere" theory. LOL
So where is the rest of the soot? Clogging up the damn filter... we see it on boost as the excess exhaust pressure is often what blasts all the loose soot back out of it, thus we see a big cloud behind us first time we kick them hard with some boost and revs. A common customer report "it smokes badly, but only the first time i use it hard"
Also, excess regeneration and heat caused by soot can quickly destroy Cordierite filters, although the Silicon carbide filter cores are much more stable at high temps, but tend to clog a little easier - swings and roundabouts, but the fact remains that carbon soot will not burn below 600 deg C without a fuel borne additive, so the best thing we can do for these filters, is simply NOT to clog the damn things up via crap remapping in the first place. LOL
Anyway, i was thinking more pump tolerances and injector problems on this Transit if its the TDCi version. Smoke from them is BAD NEWS!
This is what led to the development of the regeneration feature to superheat it and assist in the clearing. However, the excess soot generation very quickly causes the fill counters to max out and then you have problems as most dealers cannot clear them without fitment of a new DPF, some of which are well in excess of Ł1K.
Dont forget, once the smoke is easily visble you are 400%+ in excess of the maximum allowed soot generation for these systems to operate correctly. Just because you can only "see" the excess smoke on boost, doesnt mean its not also there to a degree off boost... and it usually is, as uneducated remappers tend to increase the fuel over the whole table in the "20% more fuel injected = lots of power everywhere" theory. LOL
So where is the rest of the soot? Clogging up the damn filter... we see it on boost as the excess exhaust pressure is often what blasts all the loose soot back out of it, thus we see a big cloud behind us first time we kick them hard with some boost and revs. A common customer report "it smokes badly, but only the first time i use it hard"
Also, excess regeneration and heat caused by soot can quickly destroy Cordierite filters, although the Silicon carbide filter cores are much more stable at high temps, but tend to clog a little easier - swings and roundabouts, but the fact remains that carbon soot will not burn below 600 deg C without a fuel borne additive, so the best thing we can do for these filters, is simply NOT to clog the damn things up via crap remapping in the first place. LOL
Anyway, i was thinking more pump tolerances and injector problems on this Transit if its the TDCi version. Smoke from them is BAD NEWS!
Stu,
I've done extensive testing, and actually run testbeds, and driven vehicles for weeks at a time, all day, with the main purpose, to try and build up soot in the DPF, doing a hot weight on the DPF once a day. So as I described above is the quickest way they fill up, providing everything is running as it should of course.
If you get one that is properly blocked up (I mean engine won't start ) you don't need to replace it, you can put it in an industrial oven at high temperature for a few hours, and it comes back good as new.
The whole point of this testing was to get a flow curve each day - pressure across the DPF, at a full rpm range, already knowing the DPF's weight, then you can use the pressure difference to calculate the weight of soot in the DPF, so it matches the actual tested weight, and build that into the stretegy on the ECU. This is then how the ECU determines it has enough soot to require a regen.
#148
Testing the future
#149
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Rich,
It will regenerate itself automatically so you wont have to worry about anything. It does it on a steady run when the fuel is over half a tank and you will notice a slightly more boomier exhaust note whilst it is doing it.
Al,
You get better MPG as the whole of the cars fuelling and timing is altered which means better performance lower down and hence lower revs for the same performance level.
It will regenerate itself automatically so you wont have to worry about anything. It does it on a steady run when the fuel is over half a tank and you will notice a slightly more boomier exhaust note whilst it is doing it.
Al,
You get better MPG as the whole of the cars fuelling and timing is altered which means better performance lower down and hence lower revs for the same performance level.
#150
Stu,
I've done extensive testing, and actually run testbeds, and driven vehicles for weeks at a time, all day, with the main purpose, to try and build up soot in the DPF, doing a hot weight on the DPF once a day. So as I described above is the quickest way they fill up, providing everything is running as it should of course.
I've done extensive testing, and actually run testbeds, and driven vehicles for weeks at a time, all day, with the main purpose, to try and build up soot in the DPF, doing a hot weight on the DPF once a day. So as I described above is the quickest way they fill up, providing everything is running as it should of course.
#152
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I know you have mate, we have discussed it in the past. My point is, they dont only clog at high boost low revs as your initial reply suggested. The problem with the all day test, is that doesnt at all simulate Mrs Mop booting it to the shops or her office, engine cold, office 1 mile away, then going home, same cold journey and turning it off... repeat daily... result - clogged DPF. bad remaps make this 50x times worse, they can clog in a week, EASILY, we see it every single week when customers come in with bad remaps and full fill counters looking for us to remove the DPF and disable the DPF programing. Its now our 2nd best selling product across our entire dealer network of 105 installers.
I'm feeling pretty shite at the moment Stu, so forgive me if I've missed it, but I can't see where I said it would clog at high boost, low revs? I said low revs with no boost, as on a standard map this is where a lot of the soot comes from, and it isn't hot enough to then burn it off.
The testing did simulate all type of driving, stop-start, motorway cruise etc.
I can well believe that you do see that many though - even I hate them
#157
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Typically it's not, I think this is the point Stu is trying to make above, cheap crappy remaps/Tuning boxes do nothing more than just this, i.e. chuck more fuel in which does more harm than good.
The way modern Derv's gain power is by advancing the injection timing, something the manufactures can not do, as powerful Nox emissions are released.
By advancing the timing, you make far more efficient use of the fuel, thus more power/torque and better economy.
Martin
The way modern Derv's gain power is by advancing the injection timing, something the manufactures can not do, as powerful Nox emissions are released.
By advancing the timing, you make far more efficient use of the fuel, thus more power/torque and better economy.
Martin
#160
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Rich, no light on the dash so no way of knowing apart from the exhaust note from snide the car. Once stopped though the exhaust will be red hot and smell like eggs.
Had mine gutted and mapped out so have no issues there.
Had mine gutted and mapped out so have no issues there.