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BMW 3-Series (E90 E92) Forum
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N54 Throttle Sensitivity Discovery thread
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06-22-2019, 01:17 PM | #134 |
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I have the same and i do full custom bin with tunerpro now including the above throttle tables, which is working very well so far.
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06-22-2019, 01:17 PM | #135 | |
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I am running further customized values for weeks now without issues and shifts with sport button on are brutal awesome. Donīt expect people to share their final values here though. I donīt understand what your tuner is talking about. I thought tuning knowledge is something that you gain due experience and testing. I tested for weeks with tons of flashes to understand. Your "tuner" shouldnīt be working any different. Of course he will say "Bruh. I have no DCT car" .. Unless of course your tuner is RFP. Then just wait until he can steal values or finally finds mine and adjusts 0.00x in the values. |
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06-22-2019, 01:23 PM | #136 |
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I guess I need a from scratch bin or just mod the bef bins. I just need someone to help me make sure I'm adjusting the right tables to make a viable bin, like duty cycle, boost, timing a/f load, vanos, cold start, e85, pedal, etc. I can probably just use this site to help with the new throttle tables.
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06-22-2019, 01:33 PM | #137 | |
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06-22-2019, 01:46 PM | #138 | |
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Yes these throttle tables are relatively easy but may need some changes and john gave us a good start. Theres a lot to the other stuff, inlets, e85, pid, etc. Guess if you need some guidance pm me.
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06-22-2019, 02:07 PM | #139 | |
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Thanks! I'll pm you later today. |
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06-24-2019, 02:13 AM | #140 |
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yeah.. so why is he then not researching himself on this topic? Sounds to me like he is waiting for others to do that.
So frankly speaking. This way you will never get what you are looking for as you will have to do a lot of custom tuning. These two tables have a direct impact on your torque request map. So lowering the values will change your throttle pedal behavior. For me it was in a negative way as not only responsiveness was increased but also the requested torque. So i had to change my torque request maps with the values i am running. I have heavy doubts about a MHD release any time soon as this will need tons of testing to find one solution for all. You are better of changing your tuner to one who actually is working on those tables. |
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06-24-2019, 07:16 AM | #141 | |
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How is traction effected? Start spinning immediately or still a gradual take off first? Last edited by brakthru; 06-24-2019 at 07:25 AM.. |
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06-24-2019, 08:24 AM | #142 |
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Too bad it's unlikely to become an MHD flash options but it makes sense...
They must have to make a lot of testing to implement this in all possible variant of the flashes like stage 1/1+ , 2/2+... different gearboxes, different fuels... Anyone tried RFP maps here? it's a guy who provide free unlocked OTS N54 maps, it could be a good start to implement these tables inside on a bin like that ? The problem is that there aren't a lot of review. Just curious if it's close and safe as MHD maps. If it's unlocked, someone with a good knowledge in tuning may chime in? Thanks |
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06-24-2019, 09:19 AM | #143 | |
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06-24-2019, 10:55 AM | #144 | |
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So you can customize this with the Torque Request Maps fully. I think the Pedal tuner is some piggyback manipulating the signal. Like a workaround to the Torque Request Maps if you cannot change them. Like in a locked map for example. Throttle Response maps change the responsiveness! There is NO power change. I am really in doubt of any improvement on acceleration times. It just give you the feeling that the pedal is responding faster to the input. The lag between your foot input and the engine response is changed. And now mix everything also additionally together. It is a liiiiittle bit complicated. Once you have your perfect response maps you likely reduce torque request or your car will be more jumpy (Quote: CarAbuser ) My summary. These maps are a game changer for me as a track driver. Most of the straight line drivers will never need this. But also. These maps are only essential to enthusiasts that need that immediate response and pedal feel on the curvy country side racing or on the track (not dragstrip). If you are an enthusiast. You need it. If you are not sure. Forget it. It will not be that important for you. My 2 Cents about Dean/RFP. You can use those maps as a start. They do not seem to be that great also. They simply may have a little more power than the OTS MHD ones. But this is nothing hard to achieve as MHD is a business and not some garage kid.. They have to be more conservative. Last edited by JohnDaviz; 06-24-2019 at 11:03 AM.. |
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06-24-2019, 11:46 AM | #145 | |
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I run RFP Stage 2 so far really good, I'll have to ask him to add these tables.
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06-24-2019, 03:07 PM | #146 | |
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The RFP maps are more aggressive feeling because he primarily maxes out the Boost limit multiplier tables to 3.0 and fully opens the throttle plate at boost onset so as to give a more immediate and urgent boost ramp up. It's nice that you can go into the RFP bin file and customize it to your liking with tunerpro. I am just wondering if my code for throttle body plausibility to air mass is triggered by the aggressiveness that Dean opens the DME throttle plate with. |
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06-24-2019, 04:24 PM | #147 | |
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06-24-2019, 06:30 PM | #148 | |
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06-24-2019, 07:03 PM | #149 | |
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I was getting Throttle body plausibility to air mass codes - but they may be for another reason. Just wondering whether yours is still running strong? |
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06-24-2019, 10:22 PM | #150 | |
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I am troubleshooting further into an finding an intermittent sensor issue - or the throttle body may need replacing. But thanks for your perspective! |
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06-25-2019, 02:40 AM | #151 |
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I've been slowly reducing the throttle correction values in my DCT INA0S map and I'm pretty much down to 0. So far no negative effects.
The car feels a lot more nimble with these changes. This table has been the single biggest improvement to the driving experience out of all ECU changes. I can really adjust the car mid corner now. |
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06-25-2019, 03:08 AM | #152 | |
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Full open throttle plate should be 90 degrees (may be it is a bit less due to mechanical design?!). As it is not at 0° at idle this may be simply 81 degree between idle and full open. |
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06-25-2019, 04:36 AM | #153 |
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@ JohnDaviz
Does your base values are meant to be used with a DCT car ? or could it suit a 6MT too ? If i understand, you also changed the torque request tables to smoothen all of it. Is it like using a multiplying factor on the values to reduce them evenly a bit if it's too jumpy or is it more complicated than that ? I now i should try by myself, but I just installed TunerPro for the first time and just looking the tables on RFP maps. So I am not ready to flash anything right now (btw flashing custom bins with MHD Flasher is like installing MHD in term of duration? ~38 minutes?) |
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06-25-2019, 05:28 AM | #154 |
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Thanks mate! Makes sense
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