08-01-2018, 06:55 AM | #67 | |
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For those who would like to know... I am currently investigating the dual ECU route and an one key per ECU set up allowing you to swap ECUs when you have to go to your dealer. MR |
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08-01-2018, 07:13 AM | #68 | |
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I applause your enthusiasm in finding ways to get around the performance impediment coming from the OPF system |
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08-01-2018, 09:18 AM | #69 | |
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08-01-2018, 09:42 AM | #70 | |
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08-01-2018, 09:53 AM | #71 | ||
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08-02-2018, 01:59 AM | #72 | ||
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08-02-2018, 02:46 AM | #73 | |
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Exhaus-System will be the first thing i gonna check after i got the car |
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08-02-2018, 08:53 AM | #74 | |
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08-02-2018, 09:31 AM | #75 | |
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You can check it here https://www.leebmann24.de/bmw-ersatz...x/?series=f87n |
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08-02-2018, 09:36 AM | #77 | |
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I think the European OBDII standards are less strict than the OBDII standards in the U.S. We have the most strict OBDII standards. OBDII is what dictates what sensors need to be in the filter. Because the OBD system for the U.S. in the car needs to know when the filter is not working. Also in the U.S. We call this filter a GPF (Gas Particulate Filter), similar to the well known DPF (Diesel Particulate Filter). Not sure why people are calling this OPF, not accurate in the U.S.
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08-02-2018, 09:38 AM | #78 |
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08-02-2018, 09:50 AM | #79 |
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I'm going to remove the OPF and install and run the M4 CS tune.... If required for service, re-flash with the M2 tune and refit the filters!
Those filters are a massive restriction and ultimately will detract from what the car is capable of. It won't take long before aftermarket companies have straight through bypass pipes which will enable you to remove and replace the filters when needed! |
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08-02-2018, 10:09 AM | #80 |
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Getting mine i oct too. Sales guy told me i could have it late sept if im lucky, hoping for the best
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08-02-2018, 10:49 AM | #81 |
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If there are no sensors after the down pipe, I think the engine diagnostics are smart enough to know if the OPF is clogged up. That would be good news for EU bimmer heads.
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08-02-2018, 11:16 AM | #82 |
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Anyone know if Canada will get the same cars as the US without the OPF ?
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08-02-2018, 12:05 PM | #83 | ||||
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The moment the dealer puts the key in the little blue box on the desk of the service employee, the key will share details about the car with the dealer system and to BMW in Munich. If they see it had a software tune installed, a red cross goes through the car in Munich. If you then want to do a warranty claim, the dealer will see that this is not possible due to the fact that the warranty is not applicable anymore. The dealer will be able to give you warranty, but they cannot claim at BMW anymore and therefore it will cost them money. Good luck explaining to the stealer that you are stealing money from them... Quote:
Still if we remove the OPF, the flow through the exhaust changes, that might set of some other sensors somewhere. We need to see how many sensors holes there are on the drawings. Quote:
It says on this page unfortunately: "Sensor Differenzdruck", which is German for "differential pressure sensor". Part number is: 13628570686. If you search on the part number you get a whole range of photos: The photos you are looking at on the Leebmann page are the same as for the M4. Sorry, but that is not the M2C exhaust you are looking at. I will confirm that as soon as I have opened the photos which I made during my studio filming. Another bad sign is this: https://www.realoem.com/bmw/enUS/sho...diagId=18_1448 It is the petrol partical filter of the M4 and its mounting parts. The OPF for the M4 so to speak... Number 1 is the differential pressure sensor. That sensor is the issue! More info about the OPF: https://www.aecc.eu/key-topics/gasol...culate-filter/ & https://insideevs.com/bmw-adding-par...odels-germany/ BMW continues to consistently pursue the improvement of emissions in all combustion engines in summer 2018. As of July 2018, all petrol and plug-in hybrid models of the brand available in Germany will be fitted as standard with a petrol engine particulate filter and thus will already comply with the exhaust standard Euro 6d-TEMP. Quote:
MR Last edited by MR.; 08-02-2018 at 12:14 PM.. |
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08-02-2018, 12:29 PM | #84 |
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Could be possible to have the sensors mounted to a aftermarket midpipe with connections for the small hoses att a certain length between them for the correct differential pressure(sorry, bad english). And in that way fool the ecu. Even better just a little electronic device that sends the correct electronic signals to the ecu, should be easy for an engineer.
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08-02-2018, 12:37 PM | #85 | |
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08-02-2018, 12:49 PM | #86 |
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That would sound easier than done. The signals are not based on single on/off but have to follow a table or graph of values. Nothing is impossible of course, but it is not an easy 1-2-3. All depends on the market and its demand, the products will follow easily if the demand is there.
If I look at this photo below and check the details from the M4 OPF set up, it seems to me that the OPF sensor is not located at the OPF itself but before at the end of the down pipes. The OPF's are like on my photos (I checked them a minute ago placed just in front of the center muffler and about a meter away from the end of the down pipes. There is no cable or sensor visible, but I haven't got photos of both sides of them. In the case of the M4, which is quite similar I think to the M2C, the pressure sensor seems to exist at the end of the down pipes. That means that you can remove the OPF filter and fit a complete cat-back system without issues. Only issue is replacing the down pipes since that is another sensor set up, but let's wait and see what can be done. I will have to make some photos of the set up of my car as soon as it is there to see how the exhaust runs and where the sensors are. MR |
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08-02-2018, 12:52 PM | #87 | |
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I don't know it all since I hardly enough time to breath lately and so little time for hobby things. For now I am just collecting as much as I can find to make this all work. All help is appreciated to make it a clear picture. If all this works, and we can remove that filter then I will personal set it on fire and do a dance around it. MR Last edited by MR.; 08-02-2018 at 01:03 PM.. |
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08-02-2018, 01:14 PM | #88 | |
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