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BMW 3-Series (E90 E92) Forum
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custom exhaust, dpf delete and remap for 335d
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03-18-2015, 02:18 PM | #1 |
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custom exhaust, dpf delete and remap for 335d
Today i have rang my preferred garage to have the work done,
Full exhaust system 3" then 2.5" where it splits £450+ vat dpf delete pipe £200 in house remap but not dyno'd which bothers me a little bit £200 And they could fit my eibach springs for £35+ vat @3 hrs? What do you guys think? I have to go over leave my deposit and book it in.
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#E90 08 335d - hyper black 19 csl, black grilles, k&n panel filter, wagner fmic, forge boost pipe, eibach pro kit and quantum bumper to fit.
#E46 individual M3 - Estoril blue - retired |
03-18-2015, 02:33 PM | #2 |
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VFM at those labour rates is excellent. Bang for buck will be unbeatable, sad yo say from a different perspective but the DPF thing with a delete pipe is the only questionable issue, watch VOSA very carefully as they are just about to roll out an all new on line system which aims to be more stringent with stronger enforcement criteria (we are getting various info now about the new set up) therefore MOT stations will have had a shot across their bows as we have regarding their activities re passing vehicles with an 'obvious' DPF modification.
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03-18-2015, 02:39 PM | #3 | |
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03-18-2015, 02:52 PM | #4 |
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The 'smart' way to overcome this issue is to completely remove the DPF have it cut open on the factory weld internals removed then re weld directly on the factory seam then re install. Therefore when viewed the OEM DPF visually is in place. If the tester sees the DPF in situ doesn't see any tampering to the side of the canister (we've seen them crudely opened up from the side and poorly welded thst are bloody obvious) then from a viewing perspective whst can they say! Diesels are tested for smoke so if this is 'controlled' and the DPF looks factory in appearence then there you go I guess.
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03-18-2015, 03:11 PM | #5 | |
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03-18-2015, 03:16 PM | #6 |
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A decent welder will be able to 'replicate' where the factory weld is seen it done before need to I dare say question the place who was going to to the job for you to see your options. If this dummy DPF is up to the task visually it may be your answer.
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03-18-2015, 03:46 PM | #7 |
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I'll have to ask them about it then to see if they can do it, do you still get the same power gains?
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03-18-2015, 03:52 PM | #8 |
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Its all you can do. There's always a solution its the MOT thing that can have a nasty sting in the tale is the issue potentually for the customer
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03-18-2015, 04:37 PM | #9 | |
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Most places gut the dpf dont worry about it power gains should be the same as if you had a dpf delete pipe. |
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03-18-2015, 05:04 PM | #10 |
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When i had my MOT back in Jan the garage said they couldn't see my DPF because of the undertray?
Will the new rules enable them to start removing stuff? |
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03-19-2015, 03:23 PM | #11 |
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03-19-2015, 03:24 PM | #12 |
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03-19-2015, 04:00 PM | #13 | |
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I think most MOT stations will glance/move on re the test as its tight in and the test doesn't really give you a decent amount of time to dealve deeper but if as a tester(and it's the testers licence)you have a suspicion (maybe the smoke test will give you a clue)there's nothing stopping the tester ferreting around it it's a grey area IMO. But VOSA's rules are for sure shifting and are/will get more stingent. |
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03-20-2015, 04:42 AM | #14 | |
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Thats the point this "advisory" gives the tester an option to be lenient, because you can clearly see the DPF/lack of with the under trays in place, but him putting it on the system that he cant see it absolves him of any offence. |
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03-23-2015, 03:28 PM | #17 | ||
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