Soot mass in dpf bmw Carly states that there is 45g of soot in the DPF (ash is 44g). from publication: Loading and Regeneration Analysis of a Diesel Particulate Filter with a Radio Frequency-Based Sensor | Accurate Jun 8, 2016 · When this condition (and a few others) is met, the car initiates a regen cycle wherein the soot in the DPF is incinerated, and the car tells itself that the soot is now close to zero. (only like 0. The fuel used and distance since last regeneration has also not changed at all. F40Model Year: 2019 Recently the car has been acting a little sluggish and hesitant just like it did when the dpf was clogged, I have bmw I have recently gotten and been using, watching my BimmerLink Dashboard, particularly the DPF Soot Loading. 70g Ash mass=57. Reset DPF calculated value it's only for when you replace your dpf DO NOT PERFORM THIS if you don't replace it. so I dont know if in my case As for resetting the soot mass level try the DPF data Reset button in the DVT section of the Scan Tool, EFILive, TechII . so I dont know if in my case Dec 14, 2019 · DPF regnerated! I did not have carly so far. 67 g) Previous: MY13 V6 TDI 4Motion, BMW X3 3. It seemed to be some kind of factory bug of the DDE software causing too Thinking of the possible (non) DPF regeneration issues that may result with glow plus errors I ran the DPF check which shows me a 52g soot mass and 21. The DPF does actually accumulate the ash that is left over from incinerating the soot, and this ash takes up space in the DPF. Over time, this accumulation adds Oct 25, 2023 · Two days later the car started to smoke again and with Carly I saw that a regen was running and soot mass was at 55gr. Feb 17, 2019 · Once regens started again, the soot mass dropped dramatically - I checked after a few weeks of driving and it is at 2g which means that the DPF is cleaning itself. F40Model Year: 2019 + The car is april 2011 N57B30 258 hp. Location: France Jan 12, 2020 · Regarding the DPF. 71 and Soot Levels 5. May 9, 2019 · 2012-2015 BMW 3-Series and 4-Series Forum. This data is derived by actually counting electrons into and out of the battery (Coulombs of electrons many). 67 g (327. I was getting a fault code relating to the DPF and the Ash mass levels were in the low 30s with soot levels steady at around 5-7. 00 g IDE00435 Particle filter: soot mass measured 0. Download the Carista App I may just not have enough soot or the pressure drop across the DPF is created from the way I drive. 26 on the measured Oct 6, 2022 · I have 320d N47 114k on clock, getting dpf fault code 452A which i searched as Ash level high. you mentioned your "DPF differential pressure" being 14 mbar at idle while mine is 0. 0d, Subaru outback and the odd Alpha. Live data monitoring can help you detect potential issues, The BMW DPF regeneration app offers a hassle-free solution to maintain your car’s performance . Going to call bmw and see if there is an extended warranty. Additionally, several values are also displayed: Engine Jan 13, 2022 · The egr issue could be a result of the bolcked DPF, so the first thing is to try to reslove the DPF issue Now today i connected my laptop to try to do a forced regen on it , but as the soot level is at 60g its above the 50g limit of the odis DPF regeneration proccess In the job order on odis it did come back as the DPF regen as the first task to do Dec 6, 2019 · I had my BMW Dealer perform the factory DPF cleaning procedure on Monday, 2 December. 35 g IDE04092 Diesel particle filter bank 1 3. Soot mass 6. Burning soot to ash is the purpose of the DPF. stock software and available dpf, not stopped egr. I was not having any drivability issues, however, I did receive several engine faults (00452A - Info - Particulate Filter, and a few related to EGR cooler Sep 24, 2017 · 393 Particle filter; soot mass measured 4. For the automated version of this test, the soot mass is not determined gravimetrically. Join Date: Dec 2020. With carly, I cleared 480A and requested regen. For a soot mass from approx. 09. I have, as I wrote, 10g of soot and 47,05 g of ash. Post it back. - Both aftermarket and 'cleaned' OEM DPF actually have ~40mbar soot equivalent back pressure, and showing the Oct 7, 2023 · BMW dealer did do a pressure test, supposedly held. Both in g. Successfully forced regeneration and got from 60g down to 0. Bimmerpost ☰ Model Selection. 335d Dpf removed but soot level is high? Bimmerpost ☰ Model Selection. At what level of soot mass is the DPF 'full' and what is the difference between calculated and measured? Jan 23, 2017 · In ISTA+ you can also see how much soot there is, you can see rest of miles remaining, etc. Nu am sustinut ca doar cantitate de co2 emisa este corect pentru a stabili cat de poluant este o masina. 69 before regen. The problem I'm running into now is exhaust back pressure sensor codes (among others): Download scientific diagram | Mass balance of soot trapped in DPF. Should i force a regen or should i try cleaning it with special detergents or high pressure? Any ideas or experiences in that matter? I am attching pics from ista codes and read of dpf sensor values. Apr 23, 2008 · In Economy Mode 1, I watch intently, four parameters on the dash mounted screen; Soot grams in the DPF, Gear indicator, EGT at the passenger side manifold and the Boost psi.  · Ash mass of 0. The DPF helps to reduce the amount of soot that is released into the atmosphere by diesel vehicles. 17g, miles since last regen 4, and time 24 minutes, oil/ash 0. In about 30 minutes of driving, the soot mass went down to less than 2g! I hope this is the last of the DPF errors for atleast another 20k miles. An accurate DPF Check should be initiated immediately after connecting to the OBD app to reveal the masses of soot and ash in the filter, which Mar 8, 2021 · For example BMW DPF have a service life of around 150k miles. . And the estimated remaining life of the DPF. 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM Apr 18, 2009 · hello guys ,please could anyone give me a clue as to what needs to be done to correct the following--ive had my soot and oil/ash levels checked,with a puka vw diagnostic kit and also with my foxwell nt 500, they both read the same,,,, the readings are--dpf soot mass measured -1. 94g ash mass. Apr 22, 2018 · Soot Mass depends on my last regeneration. I tried to drive 80km @ 3. 1g per couple of kms. Obviously different types of driving will yield different results. It regenerates alright, but the soot mass/backpressure starts increasing very soon after the regen completes - like Picked an Arduino Nano to get the CAN codes and process the status. Second time it went off (why in the name of bmw engineers!?). Info that I have is that DPF counts your mileage. A forum community dedicated to BMW owners and enthusiasts. 4 grams,dpf soot mass calculated 12. My vehicle is a 2010 X5 35d, with approximately 140,000 miles and 60 gr of Ash Mass in the DPF. x grams. A blinking message is displayed as alert every time the REGEN is active. For lower values, this is usually unnecessary. Come join the discussion about Bimmerfest events, A calculated or measured soot mass of 100% in the particulate filter. Full article: The Diesel Exhaust System and DPF Soot Accumulation DPF Soot Level Beginning with 2017 Silverado and Sierra models, the DPF Soot good morning guys, i have a (uk) 2010 golf 1. 2017 M240i LCI Coupe given some BS that they will get more power with the crap remap they are buying or a garage doesn't know how or why a bmw will not regen the dpf system so told the customers to remove it This involves tracking the soot mass, oil ash mass, and other pertinent data to gauge the DPF’s condition and performance. I have forced a regen several times and I can see that it regenerates - but the reported soot level does not change by more than ~3g. 01gram per minute) Fault code I got was 00480A. The ecu uses a pressure differential sensors in the DPF to Soot Mass depends on my last regeneration. On a high pressure day (1033mb) my BP readings will be low and soot mass only rises at about 0. 01g, soot mass measured 1. 24CF00 - air mass meter: ratio of calculated to measured air mass too small 245700 DPF was showing Soot 45. I got carly and it showed 60g of soot and 37 g of ash. Appreciate 0 Quote 11-10-2021, 01:26 AM Soot mass was 16. 0 TDI IDE00432 Particle filter: time since last regeneration 58427 s IDE00433 Particle filter: oil ash volume 0. Scanned using Carista and it gave Ash level reading as 54g but soot level remains under 10 and regen is happening quite often as i do motorway mileage. It looks like BMW has a version of this cleaning as well but I like the Liqui Moly better because the BMW is sprayed down the DPF pressure sensor pipe vs Liqui Moly directly into the filter in the direction of exhaust. After the regen was over the soot mass would climb fast @ hwy speeds. Does the Code 00452A come from ash accumulation, high differential pressure across the DPF, mileage, or some other function? Thanks in advance! Apr 29, 2020 · My car started with a Soot Mass reading of about 5. A likely/possible cause is too high differential pressure Jun 30, 2018 · Been searching high and low and cannot find info on how to use my OBDeleven to check the soot / ash load in the DPF. guidou1969 New Member. Carly In the DPF module check for soot levels. 27g after which it floated about to an average of 1. Apparently a common issue. I don't know what are normal numbers for soot mass, The BMW Diesel Technology pdf says normal miles between regen's is 300-500 miles Soot mass is ALWAYS sitting at 3. May 22, 2024 · Oil Ash e gradul de incarcare a DPF-ului care nu scade dupa regenerare, doar creste pana la valoarea maxima admisa. Now with the new one , the Jul 13, 2015 · (We do a long highway drive about once a month). 15-20g, regeneration can be requested. Figure 1 best illustrates the magnitude of the problem, as it presents the ash fraction of the total mass of material accumulated in the DPF (ash and soot), assuming a 6 g/L maximum soot load limit The BMW DPF regeneration app offers a hassle-free solution to maintain your car’s performance and keep. The ECM will not try to perform a regeneration until the DPF Soot Nov 4, 2020 · soot mass（すす）は自動的に燃焼させる機構があって削減されるのですが、Ash massは減ることがなく増え続けます。 ネットであまり情報がないのですが、BMWのDPFについて書かれている記事を見ると、私の値より 2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum 520d - DPF woes Post Reply Thread Tools: Search this Thread 09-18-2023, 12:31 PM Started having issues with my DPF. The DPF ash DTC are Directly after a successful connection to the DPF-tile, start the DPF-Check. noxe, hc, co, de asta vorbeam eu. 100 rpm (115km/h in 4th) while forcing a regen. 290900 - air mass system, measured air volume too high 2BB100 - Diesel Particulate Filer, efficiency too low The regeneration schedule will adjust based on delta pressure on DPF (measured) and calculated soot mass from the ECU. 40/---/--- kPa I removed both DPF sensors, the Adblue sensor and did a test with a shop vac and a long hose against the DPF filter to see if it was clogged. This is due to the Ash mass content which doesn't get burnt off during a DPF regen like the soot does. However even after a regeneration (which might drop the soot down to ~28g over 45 minutes or so), it very quickly rises back up to around 39-40g. Feb 22, 2021 · 1) Soot mass is a function of DPF exhaust pressure so either the DPF is truly blocked or the Pressure sensor is reading falsely. 54g for the past several months, and the ash level has stayed at 0. The car is fooling us. DPF Backpressure is high and How can BMW Specialist Nottingham help? We are able to diagnose & regenerate Diesel Particulate Filters (DPFs). After engine tstat replacement, code 480A was still on. I get about 400 miles between regens, dependant on journey types. DPF backpressure and Regens for a while now. 1g at a time, I expected a regen to happen when it reached 33g but the oil was not up to temperature, then I saw that the measured soot load was 3g, presumably that comes from the DPF differential Jan 10, 2019 · My DPF is in not so bad condition. Also perhaps have a diagnostics done to highlight any issues like O2/temperature sensors (these aren't always displayed as a warning light). You'll know where you are with regards to its life. lau79: Hi, I bought it for my BMW 530e 2022 Mar 12, 2024 · A calculated or measured soot mass of 100% in the particulate filter. Jan 17, 2022 · A measure of your installed battery’s condition that your BMW maintains is a five day State of Charge%. We thought that the DPF was clogged, was sent to a specialized cleaning workshop, and they were honnest and refered that the DPF was fine. BMW Garage: BMW Meets: Register: Today's Posts: Search: In the DPF module check for soot levels. Share your thoughts with us! Share your thoughts with us! Give us feedback.  · Ive had the BMWhat app for a while now, and mainly use it to monitor DPF regens, by means of the Regeneration Status and the Soot Mass values Usually the soot mass gets to about 19g before a regen, then burns off over 10 miles or so back down to about 1.  · Later after test, in highway regeneration started itself and soot mass went down to 10g. Looking at the BMW parts diagram, it is not a differential sensor so unlikely the hose is a problem as a leak would decrease the pressure. and sometime after next traffic stop it would go back down to around 1  · So I've got like 76g of soot and 44g of ash, DPF warnings for 480A and 481A of course. 7 gramsdpf oil/ash volume0. Jan 5, 2020 · It says that a regen should happen at 33g of soot (or is it oil?) and the calculated soot load was just beneath that and rising as the engine ran 0. 2g---- soot measured minus-2. In short, previously the "soot mass" would rapidly rise all the way to 43gm and kick off a regen frequently. If you extrapolate the line with the swirl flaps removed, you would expect the DPF to fill up after just 60K km or so. 15-20g, regeneration can Nov 10, 2022 · For example after a long trip and a completed regeneration , from 6-7g of soot mass it arrived at 12-13g in about 5 kms. Si acolo chiar exista diferente in functie de motor si starea moto Apr 13, 2021 · It seems that there is 43 grams of soot mass in the filter itself and last regen was 380km before. Wow what a difference in power and throttle response! 2012-2015 BMW 3-Series and 4-Series Forum. 59g . (or REQUESTED). Would really, really appreciate if someone could point me in the right direction. For several reasons I prefer not to do a delete on the DPF SCR system and have been considering the Liqui Moly DPF Cleaner and 1) Soot mass is a function of DPF exhaust pressure so either the DPF is truly blocked or the Pressure sensor is reading falsely. As others have said, use your favorite phone app to read out the current Ash mass and soot mass on the DPF. 000 km. 1. Scanner; OBD; Car Coding; Car Diagnostics; Car Check; When the soot mass level shown in the Carly App’s live data drops significantly while the oil ash mass level remains constant, it is an indication that the DPF regeneration process Jun 14, 2016 · My bmw X6 e71 2008 turbo diesel, the back pressure sensor show good when cold or early morning when i startup the car but while driving for around 30mins , while driving i can see from bimmertool the DPF back pressure sensor increased to around 19mbar even at traffic stop. Nov 1, 2023 · In fact, more often than not, the amount of ash in the filter can significantly exceed the amount of soot the DPF was initially designed to trap. I would expect the jump happens when the "Measured" reaches the DPF regen trigger point - here 21 grams. Save Share That will be your DPF ash mass/volume counter. In these days I have a longer trip and soot is now under 5 grams, but ash is still reaming, but as Doug says, the capacity for ash is about 100g, and I'm on halfway with over 220. 23g. Recently the vehicle has thrown the same 3 codes twice. Dec 18, 2019 · BMW extended a goodwill repair and replaced the DPF without charge (THANK YOU BMW!) I have been posting DPF ash mass and regen data at 10k mile intervals in the "Post your DPF Ash mass and mileage" thread. 5 tankfulls I've ran through it, I've scene the soot Nov 10, 2021 · Have a 2015 x5 diesel with 108 check engine just turned on for DPF. My question is whether this "exhaust pressure upstream particulate" reading of zero (all day long) is a result of the DFP being fully clogged or a cause of the regen not starting? Drives: 2010 BMW X5 E70 35D MSport. Throughout the 1. The first drive watching it I saw the loading go to an indicated 30 grams, full scale of the surround analogue circle, got paranoid and commanded a regeneration. It will give live data and show you other DPF levels like exhaust gas pressure The soot mass is rising very slow and now I drive about 400km (town driving) between regens. Apr 27, 2022 · 2012-2015 BMW 3-Series and 4-Series Forum. Easy to implement and takes the guess work out of what's going on. Then please try a manual regeneration, or do a This video will show you exactly how to find the DPF soot content in your BMW. Checking the data and Ash Levels are now 66. measured soot mass Particle filter, time since the last regeneration. 12 l IDE00434 Particle filter: soot mass calculated 30. After first (let’s say unsuccessful regen) code 4667 became active. BMW Garage: BMW Meets: Register: But it seems to me that regens have been happening normally the soot level is low. - Oil ash mass - Soot The thing is, I would also like to add the "Regeneration status" option that can be found at the bottom Feb 11, 2017 · If you set parameters in Carly like the above, you can keep an eye on the DPF The soot mass on mine builds to about 15g(roughly 250-300 km) then it will regen, the temp before filter will go up over 500c then it will start burning off and the soot figure starts to drop. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. I thought it was the differential pressure sensor and I changed it with a new one . -On a hot car there is a significant difference in Air mass and Air mass setpoint Have been troubleshooting DPF issues in my e70 X5d ever since the BMW dealership quoted me ~$6k to fix it. Looking at the BMW parts diagram, it Directly after a successful connection to the DPF-tile, start the DPF-Check. DPF Soot mass and Regen status etc. Some people here in EU are solving clogged DPF simply (mainly E-60 users) they buy ding "SUPERMAFRASOL" 2 ltr. Doar C02 ar inseamna ca ai ardere perfecta, which is never the case. 4g??. Feb 16, 2019 · I am especially curious about the big difference in calculated and actual soot mass levels. I disbelieve that anyone has accumulated sufficient ash mass to affect engine operation. 07 g (0. 0 is unusual, like someone registered a dpf replacement? Soot mass of 46g is high. The soot mass level has stayed at 9. However, soot mass did not go down while it continuously was doing regen. Dec 7, 2021 · The steeper the line, the more ash (not soot, but since ash comes from soot the two are proportional) being produced. As you can see, after replacing the manifold the line is much less steep. OE is Original Equipment aka 'BMW Original Parts' aka 'What you buy at the BMW dealer with a BMW label Aug 21, 2024 · In this video tutorial I will show you how you can check your DPF Filter or Diesel Particulare Filter level (how clogged it is) or how you can see the calculated soot mass from the Particulate Filter or DPF on the VW Aug 28, 2020 · Results from ongoing tests have shown that application of the cleaning agent for diesel particulate filters causes the existing carbon black mass to not be broken down sufficiently and as a result subsequent regeneration is often not possible. the car regens approx every 300 miles, but it regens from 21g soot down too 8g soot and then stops?the figures i have at the moment are oil/ash 11. It's also usually accompanied by a percentage value in the same Dec 15, 2024 · Load to target soot mass The load is preceded by a warm-up phase of ~10minutes to allow the system to thermally stabilise. - DPF Dec 1, 2013 · When I was having DPF trouble with the LML I had, I drove around with a GM tech & he was keeping track of the grams of soot with his tech 2. the The DPF and flashing glow plug lights are still on though and the Calculated DPF Soot value remains at 48%. Feb 26, 2024 · I have recently gotten and been using, watching my BimmerLink Dashboard, particularly the DPF Soot Loading. Back home I used ISTA to run a backpressure test and I saw values in the range of: Idle: -19hPa Dec 13, 2018 · Regen 26% (could it have been interrupted, although I wasn't aware of the fan running on Monday when parking). With soot masses of more than 30-35g, there might be problems with the exhaust system or the Feb 9, 2019 · For simplicity lets just look at those 2 examples. 01g on the calculated and -2. 00g now it’s down to 8. BMW Garage: BMW Meets: But it seems to me that regens have been happening normally the soot level is low. AirLift LoadLifter 7500 XL 2019 Arctic Fox 27-5L Andersen Ultimate II. I dont't know what tune Nov 2, 2021 · 24CF00 - air mass meter: ratio of calculated to measured air mass too small 245700 - particulate filter system: particulate filter heavily loaded (exhaust back pressure high) DPF was showing Soot 45. Cheers, 2 days ago · IDE00434 Particle filter: soot mass calculated 60. However, the Exhaust Pressure before DPF and Differential Pressure are still VERY high from what I've found. So, I spent some time driving around with Carly today. 5 g ---soot calculated 13. 6 tdi , i have run a full diagnostic and its all clear, the problem i have is with the dpf readings /functioning. 17g soot ash. At Idle: Pressure Before DPF: 900mbar, max expected: 35mbar, 24x higher! Differential: 80mbar; At Jan 11, 2019 · I've noticed the car was call for a regeneration once the soot mass rises above ~42g. Ash maximum capacity is only estimated. 008 bar at idle which if i am converting it correctly is 8 mbar. Seemed reasonable considering my mixed city highway driving. The Evo allows alarms on most of the parameters, I have set the Soot gram alarm to go off at 70 grams. BMW F11 530d xdrive Perfomance issue. Even the EU5 N47 has 2 sensors, with the simple front DPF sensor. I also Problem is - the regens are occurring very frequently, and the soot level is climbing very quickly after each regen. The regen should be activated around 25grams of soot +/- automatically. Reactions: ColoradoTJ. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, To conduct daily scans, users should connect their DPF regeneration app to the vehicle using an OBD2 device and select live data parameters like soot mass and oil ash mass for real-time monitoring. 79 g But the code from bmw really helped to find actual issue I hope this helps someone else. So my question is - what Unlock the power of BMW DPF Regeneration with the Carly app in 2023. Once the soot mass level has decreased substantially and the oil ash mass level remains constant, it can be Oct 16, 2021 · According to the dpf info in bimmerlink, none of the values ever change except for exhaust and coolant temperature and pressure. Top DPF Regeneration App iPhone Choices. If the fluid remains in the system and is not fully used there is the possibility of an uncontrollable Feb 12, 2021 · A forum community dedicated to BMW owners and enthusiasts. Ash is fully reduced at ~ 600ºC, more than any common chemical. Full article: The Diesel Exhaust System and DPF Soot Accumulation DPF Soot Level Beginning with 2017 Silverado and Sierra models, the DPF Soot Accumulation is measured in percent instead of grams in GDS 2. Mar 20, 2021 · De 'noxe' vorbesc si eu. 93 g) 395 Particulate filter ash load limit 327. The absolute maximum allowed at idle is 65mbar and May 15, 2022 · Soot is burned to ash. From what I've read, the car won't allow a forced regen if this figure is above 45%. Now looking at options. I cant figure out what would Jun 5, 2016 · Soot mass=9. Is there a way to tell the car to recalibrate the Calculated Soot value now that the G450 has been replaced? I seem to recall reading somewhere that once the DPF soot levels exceed around 60 grams It would be useful to select items such as "Particle filter, soot mass calculated", "Particle filter, Dodge Ram; BMW 328xi; BMW X3; 911 4GTS. 00g, if there are any signs of black soot whatsoever then yes it'll have been gutted. Soot mass scade dupa fiecare regenerare, in functie de cum e facuta regenerarea, se poate opri si la 9-10g sau poate sa coboare si Jun 7, 2021 · There are two "Soot" figures given by VAG DPF, "Calculated Soot Mass" and "Actual Soot Mass". The load duration is then adjusted to achieve the target soot mass (ie at 10g/he sootload rate, a target mass of 40g will take 4 hours). Clearly, this is unacceptable. 11g From the numbers above, can anyone tell me what the capacity of the DPF is for ash? If 57g is close to full, then I understand why it may need to be replaced. Also the Liqui Moly is a 2 part solution vs. Soot mass and ash mass are not directly measured but modeled from time series differential pressures. Before a regen, Carly tells me soot mass is around 42g, and ash mass is about 36g. I have 320d N47 114k on clock, getting dpf fault code 452A which i searched as Ash level high. https://www Dec 21, 2020 · This vehicle came in with the DPF light coming on during driving, as an older model the “soot mass” is not displayed but we can see the backpressure readings. The regeneration was prompt and effective. 62 g Jan 16, 2024 · Please plot also "Soot Mass Measured" along the "Calculated". Now after a regen the soot mass settles in around the high Apr 6, 2018 · General BMW Discussions Dpf monitoring - Carly So over the coming days I want to take the car for a drive on the motorway just to make sure the dpf will regen (bit paranoid about dps!). 5g. Jul 19, 2023 · After the regen, the soot mass dropped from the 97g to 3g and no new diesel system errors! The car ran a lot better and we were thrilled. 99 g and Ash 35. Driven 3k km after dyno test, for now its fine. Immediately after a regen, If the soot mass will stay longer on a value above 25g and won’t decrease, this is a sign, that you have problems with the DPF. You have to do the regeneration while driving Go to Engine -> Adaptation -> Group 13 - Change from ASCI to Hex By pressing on it -> put new value 1 and click do it. It was most definitely not clogged. The indicators to observe on the Carly app to confirm DPF regeneration has begun include a decrease in the soot level and a DPF regeneration status message. Address 01: Engine (7P0 907 401 F) 2012 3. The app will reveal the soot and ash masses from your filter. In addition to the %full and a number of other readings such as post combustion fuel injection rate, time and distance since last regen, exhaust temperature, etc. I watched it in live time drop over the course of 8 to 10 minutes to a low of 1. Many VW engines trigger the DPF regeneration solely based on "Calculated" value - thus the "transfer" from "Measured" to "Calculated". On days when I see the soot mass rise quickly I know it's a low pressure day even before I check, and this often leads to a regen on my 46km commute to work. 853 grams Aug 22, 2019 · What’s the difference between soot measured and calculated I have been having my car doing regen it went away and stopped reving a little while ago then come back I drove at 40/50mph air con on 2500 rpm for 15/20 mins a couple of trips before when I scanned it was at 18. 1 part for BMW. Also regenerations starting itself. A manual regeneration maybe required if your vehicle has suffered from a DPF blockage or the DPF warning light is active. The actual soot mass figure often being considerably lower than the calculated. Or there is a problem with the interconnecting hose. iwpfime jkypcc mldh ilazt gyiu vhuox mflusm rth orzhrw ghzimt