03-20-2017, 02:38 PM | #155 | ||
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03-21-2017, 05:08 AM | #156 |
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What I was asking is how did you determine that you had a bad sensor. What were the symptoms?
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03-21-2017, 04:10 PM | #157 | |
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The TMAP went crazy on sudden spike of boost.
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03-26-2017, 01:40 AM | #158 |
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X5 30d xDrive 2014
Celtic Tuning via OBD original 258 PS (254 hp), 560 Nm (413 lb/ft) tuned 333 hp, 511 lb/ft - better than 40d Acceleration etc. equals (at least) to 40d Very happy. |
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03-29-2017, 05:01 PM | #160 |
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After a whole year after removing my RaceChip tune before bring my car into service... I swore there was no real difference, so didn't bother reinstalling it....
Today after giving my motor some cleaning and since I had already removed the airbox and a bunch of stuff, I said hell with it and put the RCU back in. And yeah there's a difference. No idea about BMS S1, but RaceChip Ultimate very driveable.
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04-10-2017, 07:50 PM | #161 |
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For all those looking for some dyno numbers on the RaceChip Ultimate for the 50i, here you go.
Two months ago, I took my 2016 X5 50i to the dyno for a baseline. The baseline run is in red below and was conducted on a Mustang dyno. I was initially unimpressed with the numbers (352HP, 390ft/lb). After some discussion with the shop owner, in which we talked about the differences between a Mustang and Dynojet dyno, he said that his numbers average 14% lower than a Dynojet. Once I applied the 14% correction, my numbers are right in line with what I am seeing in this post: http://f15.bimmerpost.com/forums/sho....php?t=1174104 With that sorted out and my X5 verified as making the power it is supposed to, I installed a Race Chip Ultimate and set it to C. After about a month of driving, I went back to the dyno and was very pleased. #1 Red = Baseline #2 Green = RC Ultimate C #3 Blue = RC Ultimate D Setting C was impressive with an at the wheels gain of 48HP and 47ft/lb (55HP and 53ft/lb if you apply the 14% correction), while setting D was not as good overall. Even though D produced higher numbers, there was significantly less low end power and the delivery was not as smooth. In the end, I am sticking with C.
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2015 F83 M4 Last edited by Rotzy; 11-07-2017 at 06:59 PM.. |
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04-10-2017, 08:33 PM | #162 |
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Great info. I'm planning to tune the xDrive50i also in a couple months. I'm going for a baseline dyno in a few weeks. Any stock vs tune 1/4 mile runs available for the F15 xDrive50i?
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08-16-2018, 02:52 PM | #163 |
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There are 4 MAP sensors on the 50i; which ones are the TMAP sensors? The ones on the intake manifold or the intercooler? Sorry if this has been discussed prior and I missed it. Trying to keep up
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08-16-2018, 03:01 PM | #164 | |
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08-16-2018, 03:12 PM | #165 |
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Thank you for confirming! After some digging, I was able to find it in this post as well:
https://f15.bimmerpost.com/forums/sh...6&postcount=43 |
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10-09-2018, 03:47 PM | #166 |
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It's been a while since this discussion started. I'm looking at buying a 2016 50i pretty soon. Have other/better tuning options come out? I have JB4 on my F30 and I'm happy with it but that's my first and only experience with a piggy back. Think I'd prefer a flash.
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10-09-2018, 05:26 PM | #167 | |
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Quote:
https://f15.bimmerpost.com/forums/sh....php?t=1507189
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10-09-2018, 10:05 PM | #168 | |
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10-11-2018, 12:44 AM | #169 | |
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My only complaint is that I occasionally get a check engine light that pops up when I am accelerating onto a freeway. The error says low EGR pressure. Does not cause limp mode or any performance problems at all. I clear the code with the Foxwell, and carry on until it happens again....No such error codes when nailing it off the line...Just when merging onto a freeway for some reason. Super easy to install. Very happy with the Race Chip. However, once my warranty is up, I will likely do ABC delete and tune at some point in the future once the emissions systems start to wear out and fail..... |
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10-17-2018, 01:12 PM | #170 |
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Has anyone ever took 12-15 Hours road trips with racechip? What's the highest setting on RC Ultimate ran without CEL for 35i motor? It was kind of hard to keep track of what motor everyone was running.
Thanks in advance.
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10-17-2018, 01:29 PM | #171 | |
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While I was on different product and use it for 8 hours drive.
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10-17-2018, 02:57 PM | #172 |
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I've taken several 4 hour trips. Gonna be driving down to FL For my brothers wedding which will be about 10 hours although not sure what you think is gonna happen on an extended drive.
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10-18-2018, 10:24 PM | #173 |
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1. 2018 f16 3.5
2. JB+, mppk, mpe, CP, drop-in afe. 3. Jb+ set to max boost 4. Did 2 runs 0-60 so far. First one was with half tank of gas, warmer temp, no er CP. second one is almost 5 sec flat, however it was -1.16% slope and dragy marks it invalid. But I also got my trunk full at the moment, so should even out)) |
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10-28-2018, 02:52 PM | #174 |
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Thanks for these replies guys. I just drove down here to South Carolina. At about 8-10 Hours into the trip, I got a code for air fuel or something like that. No performance interruptions or anything else. The code came out of nowhere. I reset it went away a little bit later. So far its fine. Just trying to see if I want to remove it for the trip back
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10-28-2018, 10:45 PM | #175 |
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I see a lot of race chip. Anyone do a Dinantronics?
Are they more conservative as far as numbers? Or is it the price?
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10-29-2018, 12:17 AM | #176 | |
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