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BMW 3-Series (E90 E92) Forum
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Reducing smoke on a 330D
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10-07-2018, 06:55 AM | #45 |
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EGR delete won't let you pass an MOT with a DPF delete. Like you said, when they rev it there will be a bit of soot. I'm just saying it might make life easier for those who have DPFs.
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11-14-2018, 06:08 AM | #46 |
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Hi,
Having read the mot manual the tester has to smoke test your car against the manufactures limit. This is on your manufacture plate/sticker between driver and passenger door. It should be 0.50 max. It can’t smoke at idle while they are warming it up. You need to try another mot station. They sound like they have taken the law incorrectly. Thanks |
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11-14-2018, 07:10 AM | #47 |
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Isn't the recomended running optimum temperature 90 degrees + a little
Last edited by Bluewater335D; 11-14-2018 at 07:24 AM.. |
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11-30-2018, 10:42 PM | #48 |
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I've got a Pre-LCI 2006 330d. I bought the car and previous owner said it had a DPF delete and Stage 1 map(I thought it had a clogged DPF cause of the smell and smoke.) It did smoke like a chimney.
After a good 5-6months of daily driving around town and long drives all together. It smokes very casually now, even when I floor it at times the smoke is not even as mad as I'm used to. It feels like everyones has different results. But after the great responses regarding BW Chip, I will be heading down to him shortly for sure!! P.S. - Nobody mentions the smell we suffer from having no DPF. In the summer when windows are mostly down, the smell is quite unbearable. Luckily(lol) UK is mostly cold cause it is a bit of a buzzkill. Dont you guys agree? How strong of a smell do your DPF-less machines do? |
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12-01-2018, 12:06 AM | #49 |
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just gont keep breathing it in,,uts way bad,,and yeh it stinks,,,when you come to lights etc and you know your going to be there more than say 10 seconds,,just turn off
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12-01-2018, 09:03 AM | #50 |
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My car is in with a dealer at the moment. One of the issues (other being a snapped NSR coil spring) is thick smoke after the engine has been left running idle for more than 5-10 minutes. This eventually clears after the car has been enthusiastically driven for a while. Exhaust tips are also black with soot.
Technician has 'diagnosed' that the injectors are weeping, so getting them replaced. Could anything else be causing it? Turbo? EGR related? |
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12-01-2018, 11:16 AM | #51 | |
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Let me know how you get on with the remap by bw chip, he’s in London right? |
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12-01-2018, 04:39 PM | #52 |
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^ Yes, he is. I'm from the opposite side of him but he is definitely the first person I contact in regards to any tuning. Will make posts on here about that for sure.
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09-08-2019, 01:06 PM | #55 | |
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All resolved? Did you get any videos? |
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09-11-2019, 04:33 PM | #56 |
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FYI, regarding the MOT regs...
- any visible smoke at any RPM from a car which was originally fitted with a DPF is a fail. - any signs of tampering (or removal) of the DPF is a fail. So if you want to pass an MOT without needing a 'postal MOT', you need to have the DPF in place and it needs to work. Since it's been proven that you can reliably make good power with a DPF in place, there really is no reason to remove it...unless you intentionally want to clog up the planet with more soot. Not trying to be holier than thou or whatever; it just annoys me seeing cars which should run clean, but are billowing black smoke everywhere...it's not clever or cool! As has also been stated in various places in this thread, it doesn't take a crazy long drive to keep the DPF happy; my 10mi/20min each way commute did it fine (M57 330d, no tune, decent fuel). You do need your thermostats to be working properly though, and other things like glow plug module errors can also prevent active regens. |
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07-16-2020, 02:18 AM | #57 |
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HI all,
I'm getting DPF error come up right now on mine. I replaced the Thermostatas (reading 92 degrees now on the dash) and the car has no other codes present (using snap on reader) except the dreaded 480 & 481. I work not far from BM Chiptune, but within the people I know locally, have heard mixed reviews. Has anyone had them work on the DPF's before, interested to hear what people think. |
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07-16-2020, 07:03 AM | #58 |
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Can you read codes using INPA? May have shadow codes which could be a clue.
I think, but have no proof, that 0480 and 0481 codes correspond to the EGT not reaching 250degC quickly enough during active regen, and that an adaptation limit has been reached and it still doesn't reach 250C. So if that's true, it means that either the EGT probe is faulty (possible, but I think it would normally fail in a way that would cause a code), or there's something else in the fuel/combustion systems that is preventing the increase in EGT. My first suspect would be glow plug module, even though it's not causing any codes. |
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07-16-2020, 04:10 PM | #59 | |
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Is it possible for the glow plug module to throw a shadow code and not appear in an OBD read? I'm a relative newbie to this, so appreciate the help! |
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07-16-2020, 07:01 PM | #60 |
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I *think* it's possible for the glow plug module to fail and not throw a code at all...that could be wrong though. Shadow codes are generally ignored by most scanners, because they're not stored as errors...they're sort of things that the DDE is keeping an eye on because that particular component had a wobble at one point.
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07-17-2020, 02:03 AM | #61 | |
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I know that none of the plugs themselves were throwing errors, but could the module itself go? I.e. would the module only fail if a plug failed, or could the module fail and then lead to plug failures? |
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07-17-2020, 02:53 AM | #62 |
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The module itself is a common failure, as are plugs (after a certain mileage/age). The failures are independent of each other, but you may only see plug failure codes even though it's actually the module that's failed, etc.
My car was showing only 1 working glow plug, so I replaced them all. After that all but 1 worked (apparently), but over a year another 2 'failed'. I replaced only the module and now all 6 plugs are fine. Having read a few threads about it, maybe I'm wrong about the controller failing with no codes - seems it would normally throw at least one glow plug code. I think shadow codes/inpa would be a good first step, as it's cheap and will be very useful in future. P.S. Even through all my glow plug codes, which I had for years, and many short journeys (current commute is 2mi ), I've never had any DPF trouble (touch wood!!!), and the car runs very clean. Last edited by Tambohamilton; 07-17-2020 at 02:59 AM.. |
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07-17-2020, 07:59 AM | #63 |
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Glow plug controller failure won't give a code, but all 6 plugs will show as failed.
For me, any glow plug failures and the DPF will not regen. |
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07-17-2020, 11:57 AM | #64 | |
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I went out for a run earlier (with a mate cancelling the codes using carley) and the 480 particulate filter error was constantly coming up even after being cleared. The picture below is basically it at cruising speed (65mph around 1500rpm). At one point it *looked* like it wanted to regen, as the exhaust temp climbed to 325, but it then suddenly stopped. I'm fully out of ideas now, and I don't want to spend all the money replacing module/plugs if it'll still not regen! DPF's are a bloody nightmare! |
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07-18-2020, 03:26 AM | #65 |
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Yeah, fair shout. They are difficult because they don't give you any clues - it could be almost anything upstream of it that's causing the trouble.
I really do recommend getting yourself INPA and a cable though - it'll save you so much hassle and money in the long run! And just maybe you'll find shadow codes or something that'll be a clue for this too. |
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07-18-2020, 03:29 AM | #66 |
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