Anyone remapped a 330d?..
23 December 2009, 08:47 AM
#31
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I agree a mapped 335d is quicker than either M3 but standard ones aren't (in a proper race, none of this in gear malarky).
A mapped 330d is nowhere near as quick. As I have said, they are quick for what they are but 0-100 in 12 secs? I don't think so. After 100 mph the gap is only going to get bigger. Yes I know the performance of the diesel is more accessible and maybe as quick in 'the real world' but that doesn't mean much when you meet a M3 that's 'on it'.
A mapped 330d is nowhere near as quick. As I have said, they are quick for what they are but 0-100 in 12 secs? I don't think so. After 100 mph the gap is only going to get bigger. Yes I know the performance of the diesel is more accessible and maybe as quick in 'the real world' but that doesn't mean much when you meet a M3 that's 'on it'.
YouTube - BMW 335d vs BMW E46 M3 drag race at Santa Pod Quartermile.
YouTube - 335d vs 320bhp tuned e36 m3
I'm not sure how it's quicker - it shouldn't be but it's certainly nippy. A 335d roadtest in a decent mag (can't remember which) claimed that an RS4 needs to be driven very very hard to get away from a mighty "d" on the majority of roads - will try and find it if needed.
24 December 2009, 08:16 PM
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24 December 2009, 08:24 PM
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These remaps seem to just go for 'max everwhere' - fine for bragging but annoying to drive after a while due to huge surge then taper.
This issue is solved by asking for a map that lifts top end power without increasing midrange torque by much.
Usually this would be done by bringing boost up similar to standard but then just holding it out as far as it will go (where standard will let it dip)
Job done - you get the top end lift, no increase in wheelspin, no broken gearbox (it's torque not power that kills it)
This issue is solved by asking for a map that lifts top end power without increasing midrange torque by much.
Usually this would be done by bringing boost up similar to standard but then just holding it out as far as it will go (where standard will let it dip)
Job done - you get the top end lift, no increase in wheelspin, no broken gearbox (it's torque not power that kills it)
Most companies work on aloowing more fuel air mixture to enter the chamber not elevating the air pressure.
Last edited by chris1scouser; 24 December 2009 at 08:26 PM. Reason: poor grammar
25 December 2009, 08:58 AM
#40
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Sorry for the troll on this thread, however i have done a fair amount of research on mapping diesels and there are not many companies who increase boost pressures.
Most companies work on aloowing more fuel air mixture to enter the chamber not elevating the air pressure.
Most companies work on aloowing more fuel air mixture to enter the chamber not elevating the air pressure.
For those of you interested, this page may give some of you a little insight into the dangers of remapping... Take care out there.
25 December 2009, 10:56 PM
#41
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Well I got a Bluefin (Superchips) remap for mine, and today was really the first time I got to try it out in the lower gears (still damp roads, but a lot less slippy than earlier in the week)
Results of the remap are impressive, as would be expected with power up from the standard 231bhp to ~275bhp, and an extra 65nm of torque (on top of the standard 500nm which is already a fair bit more than an M5, R8 etc!) The extra power is pretty much spread over the rev range, not just a big spike to get a headline figure, so this makes the driving characteristics similar to before - ie very liner for a turbo diesel, and power/torque all the way up the rev-range - not just one short lump like my old 2.0 TDi Audi. It's more responsive than it was before, and the slightly dull throttle response was one of my pre-remap gripes.
Acceleration is now up there with the fastest cars I have ever owned. Before getting the car remapped I was (much to my surprise) able to keep up with a mate in his TVR 4.5 Chimaera on a-roads - with only the long straights seeing the TVR creep ahead at 100+ speeds. Now I reckon I would have the edge over the TVR.
MPG does seem to have taken a knock slightly which I didn't really expect with remaps generally improving things a touch, but it could just be down to the cold weather.
One other thing is the gear change was previously a bit difficult to do smoothly a low-speeds in traffic, but now it's totally smooth
Don't know if this is something to do with the improved responsiveness, but either way it's an unexpected bonus 
Overall pretty happy, with only the MPG question mark remaining!
Results of the remap are impressive, as would be expected with power up from the standard 231bhp to ~275bhp, and an extra 65nm of torque (on top of the standard 500nm which is already a fair bit more than an M5, R8 etc!) The extra power is pretty much spread over the rev range, not just a big spike to get a headline figure, so this makes the driving characteristics similar to before - ie very liner for a turbo diesel, and power/torque all the way up the rev-range - not just one short lump like my old 2.0 TDi Audi. It's more responsive than it was before, and the slightly dull throttle response was one of my pre-remap gripes.
Acceleration is now up there with the fastest cars I have ever owned. Before getting the car remapped I was (much to my surprise) able to keep up with a mate in his TVR 4.5 Chimaera on a-roads - with only the long straights seeing the TVR creep ahead at 100+ speeds. Now I reckon I would have the edge over the TVR.
MPG does seem to have taken a knock slightly which I didn't really expect with remaps generally improving things a touch, but it could just be down to the cold weather.
One other thing is the gear change was previously a bit difficult to do smoothly a low-speeds in traffic, but now it's totally smooth
Don't know if this is something to do with the improved responsiveness, but either way it's an unexpected bonus Overall pretty happy, with only the MPG question mark remaining!
Last edited by Petem95; 25 December 2009 at 10:58 PM.
26 December 2009, 12:22 AM
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There are actually a LOT of companies who increase boost a lot sadly. There are even more out there who havent a clue what they are doing and maximise torque limiters and decalibrate fuel maps totally.
For those of you interested, this page may give some of you a little insight into the dangers of remapping... Take care out there.
For those of you interested, this page may give some of you a little insight into the dangers of remapping... Take care out there.
the car was never the same after that, it started going into safe mode usually when on motorways and Dual carraigeways always when cruising roundabout the legal limit. had it in and out the dealers 3 times in 6 months ended up trading it because of this.
26 December 2009, 08:08 AM
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I had my 15000 miles Octy 20v T mapped by someone, who claimed to use REVO.
the car was never the same after that, it started going into safe mode usually when on motorways and Dual carraigeways always when cruising roundabout the legal limit. had it in and out the dealers 3 times in 6 months ended up trading it because of this.
the car was never the same after that, it started going into safe mode usually when on motorways and Dual carraigeways always when cruising roundabout the legal limit. had it in and out the dealers 3 times in 6 months ended up trading it because of this.
09 January 2010, 12:54 AM
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When we had the snow about a week before christmas a guy in the office above us who has a new M3 managed to drive out of his parking space but then failed to even make it across the flat car park.
It took a few people sitting in his boot and a few more pushing to get him moving.
Afterwards I just got in my scoob and drove straight out
snow, what snow 
Unfortunately I have just sold my scoob last week 
It took a few people sitting in his boot and a few more pushing to get him moving.
Afterwards I just got in my scoob and drove straight out
snow, what snow Unfortunately I have just sold my scoob last week
09 January 2010, 04:59 PM
#45
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When we had the snow about a week before christmas a guy in the office above us who has a new M3 managed to drive out of his parking space but then failed to even make it across the flat car park.
It took a few people sitting in his boot and a few more pushing to get him moving.
Afterwards I just got in my scoob and drove straight out snow, what snow Unfortunately I have just sold my scoob last week
It took a few people sitting in his boot and a few more pushing to get him moving.
Afterwards I just got in my scoob and drove straight out
snow, what snow Unfortunately I have just sold my scoob last week Most of the Thames Valley came to a halt on 21 Dec. Blizzards? No, just BMWs on run-flats getting in the way.
09 January 2010, 07:06 PM
#46
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I saw a guy attempting to go to work in his M Sport (silly wide rear tyres) 330d - I suggested it might not work in the ice and snow but he tried anyway. On the way back from our walk I noticed he had got less than 15 yards then given up!
I'm leaving mine on the drive until it thaws. The Jimny is brilliant in the snow - really coming into it's own.
I'm leaving mine on the drive until it thaws. The Jimny is brilliant in the snow - really coming into it's own.
09 January 2010, 07:33 PM
#47
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I saw a guy attempting to go to work in his M Sport (silly wide rear tyres) 330d - I suggested it might not work in the ice and snow but he tried anyway. On the way back from our walk I noticed he had got less than 15 yards then given up!
I'm leaving mine on the drive until it thaws. The Jimny is brilliant in the snow - really coming into it's own.
I'm leaving mine on the drive until it thaws. The Jimny is brilliant in the snow - really coming into it's own.
Renault traffic van, straight out, no probs.
09 January 2010, 07:46 PM
#48
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Wife took my truck to work because of the snow and so I got in her 5 series with silly wide tyres.
Pile of cack, to be honest. Ok once you actually get moving as long as you don't have to stop!
Anyway, I returned it back home and got the old Porker out - no such problems, even with even sillier wide tyres, infact, some wonderful 4wd doughnutting ensued outside my house... 
Pile of cack, to be honest. Ok once you actually get moving as long as you don't have to stop!
Anyway, I returned it back home and got the old Porker out - no such problems, even with even sillier wide tyres
, infact, some wonderful 4wd doughnutting ensued outside my house...
10 January 2010, 09:20 AM
#49
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Zip - I did wonder how a 4WD Porker would cope - sounds like it's quite good.
My Beemer remains under a blanket of snow. Off duty for now. At least it keeps the bird cack off. The roads are okay but our driveway is lethal. Even with non silly wide tyres...
My Beemer remains under a blanket of snow. Off duty for now. At least it keeps the bird cack off. The roads are okay but our driveway is lethal. Even with non silly wide tyres...
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