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      03-26-2018, 03:49 PM   #67
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Originally Posted by Rotzy View Post
Thanks for the feedback pits200 CT335xi. I must say I'm really surprised that no one is worried about adding 140+ hp to a stock N63TU.



Yes, that is true about my dyno numbers. I was being conservative when I said 140+ at the crank. I definitely wouldn't be beating on it non stop, but I have seen 15psi of boost during moderately heavy accelleration (not to the floor) on the highway. I'm thinking that if a flash allowed, say, 20psi, you wouldn't have to be beating on it to see those boost levels and the added engine stress that comes with it. I guess I'm just being overly conservative with this notoriously troublesome engine.
Just curious how are your monitoring boost in your x5, does the race chip have a feature or are you using a boost gauge? Thanks
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      03-26-2018, 04:55 PM   #68
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Question: are you able to log in and check what maps they have for 2017 X5 35i?
I emailed them and the guy couldn't give me a straight answer. It sucks that you can't see the maps before you buy. I dont feel like buying anything blindly.
If you get a chance, please check on the maps.
Thank you very much
You can create an account in bootmod3.net and you can see the OTS tunes. without having to buy anything.

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      03-26-2018, 06:22 PM   #69
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Quote:
Originally Posted by Rotzy View Post
Thanks for the feedback pits200 CT335xi. I must say I'm really surprised that no one is worried about adding 140+ hp to a stock N63TU.



Yes, that is true about my dyno numbers. I was being conservative when I said 140+ at the crank. I definitely wouldn't be beating on it non stop, but I have seen 15psi of boost during moderately heavy accelleration (not to the floor) on the highway. I'm thinking that if a flash allowed, say, 20psi, you wouldn't have to be beating on it to see those boost levels and the added engine stress that comes with it. I guess I'm just being overly conservative with this notoriously troublesome engine.
To add to this, there are a few dynos from N63tu tuners. If you look at Mission Performance dynos for their tune, the baseline for a 550i was 393rwhp and the stage 1 puts down 464 for a 71rwhp net.

I have seen other n63tu dynos as well and the consensus seems to be around 390rwhp, which if you do the math (15% drive train loss on a rwd vehicle) puts it at 458 crack. This is right in line with typical BMW under claiming actual HP.

The dyno BPC is showing at the net +127 claim seems a bit odd. I am not sure what vehicle they were running but it only did 350rwhp stock, far less than the 550i in the other example. Still using a dynojet, this would be only 409 crank under the same math assumptions. That crank number looks like the old n63 number to me and far less than factory. Even Terry @ BMS dynoed a stock 550i and it was 392.

So it makes you wonder whose claims are right. To be fair, DusH did all wheel dyno his 50i and it made 455 or something on a hot day and it was a mustang dyno which said typically reads 20hp lower than a dynojet. That would put it right into the 470awhp area. Again, this is in line with the other plots and even BPCs high number.

To me, that stock number BPC has is suspect. I think the REAL net wheel hp is somewhere around 70-75 with a stage 1 tune. This is far from aggressive for a BMW engine IMO. A stage 1 tune on my old 335i netted around the same on a dyno and that engine and platform handled it fine for years.

Hope that helps.

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      03-26-2018, 06:59 PM   #70
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Quote:
Originally Posted by AZTWW View Post
To add to this, there are very dynos from N63tu tuners. If you look at Mission Performance dynos for their tune, the baseline for a 550i was 393rwhp and the stage 1 puts down 464 for a 71rwhp net.

I have seen other n63tu dynos as well and the consensus seems to be around 390rwhp, which if you do the math (15% drive train loss on a rwd vehicle) puts it at 458 crack. This is right in line with typical BMW under claiming actual HP.

The dyno BPC is showing at the net +127 claim seems a bit odd. I am not sure what vehicle they were running but it only did 350rwhp stock, far less than the 550i in the other example. Still using a dynojet, this would be only 409 crank under the same math assumptions. That crank number looks like the old n63 number to me and far less than factory. Even Terry @ BMS dynoed a stock 550i and it was 392.

So it makes you wonder whose claims are right. To be fair, DusH did all wheel dyno his 50i and it made 455 or something on a hot day and it was a mustang dyno which said typically reads 20hp lower than a dynojet. That would put it right into the 470awhp area. Again, this is in line with the other plots and even BPCs high number.

To me, that stock number BPC has is suspect. I think the REAL net wheel hp is somewhere around 70-75 with a stage 1 tune. This is far from aggressive for a BMW engine IMO. A stage 1 tune on my old 335i netted around the same on a dyno and that engine and platform handled it fine for years.

Hope that helps.
I would tend to agree with your statement as I would think it to be more like a 100 hp at the crank increase which would be a 70-75 at the wheels gain. Did Dush have a stock dyno baseline and then dyno with BPC flash? That’s all that would matter to see the gains he got, regardless of what type of dyno. Also keep this in mine the 550 if rwd will always put down a little more then a awd x5, more wheels turning more drivetrain loss, I even heard that auto trans all loses little more than a manual trans too. I have had my evo on both mustang and dyno jet dyno and it’s more like a 40-50 hp difference at 400 whp , my car put down 400 whp on dyno jet but only 350 on mustang. I’m going to dyno my car soon to see stock numbers before I put a piggy or flash tune on. I will post my results hoping to dyno it this Saturday and if not the next after.
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      03-26-2018, 07:40 PM   #71
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Quote:
Originally Posted by CT335xi View Post
I would tend to agree with your statement as I would think it to be more like a 100 hp at the crank increase which would be a 70-75 at the wheels gain. Did Dush have a stock dyno baseline and then dyno with BPC flash? That’s all that would matter to see the gains he got, regardless of what type of dyno. Also keep this in mine the 550 if rwd will always put down a little more then a awd x5, more wheels turning more drivetrain loss, I even heard that auto trans all loses little more than a manual trans too. I have had my evo on both mustang and dyno jet dyno and it’s more like a 40-50 hp difference at 400 whp , my car put down 400 whp on dyno jet but only 350 on mustang. I’m going to dyno my car soon to see stock numbers before I put a piggy or flash tune on. I will post my results hoping to dyno it this Saturday and if not the next after.
He never got a baseline stock dyno on the mustang. Keep us posted And I agree on he awd loss vs rwd. I would divide the results by .8 if you go by the rule of 15% for rwd auto and 20% for awd auto. That puts his dyno around 570hp by that math. Pretty great results.

I'd hope the bm3 tune produced the same and those results would be +120hp crank increase. Keep us updated on your results. Mine is at the dealer getting new plugs and evaporator so it should be good for a tune when I get it back.
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      03-26-2018, 11:05 PM   #72
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Quote:
Originally Posted by CT335xi View Post
Just curious how are your monitoring boost in your x5, does the race chip have a feature or are you using a boost gauge? Thanks
OBDLink MX Bluetooth with their own android app and/or Dash Command app.

Quote:
Originally Posted by AZTWW View Post
To add to this, there are a few dynos from N63tu tuners. If you look at Mission Performance dynos for their tune, the baseline for a 550i was 393rwhp and the stage 1 puts down 464 for a 71rwhp net.

I have seen other n63tu dynos as well and the consensus seems to be around 390rwhp, which if you do the math (15% drive train loss on a rwd vehicle) puts it at 458 crack. This is right in line with typical BMW under claiming actual HP.

The dyno BPC is showing at the net +127 claim seems a bit odd. I am not sure what vehicle they were running but it only did 350rwhp stock, far less than the 550i in the other example. Still using a dynojet, this would be only 409 crank under the same math assumptions. That crank number looks like the old n63 number to me and far less than factory. Even Terry @ BMS dynoed a stock 550i and it was 392.

So it makes you wonder whose claims are right. To be fair, DusH did all wheel dyno his 50i and it made 455 or something on a hot day and it was a mustang dyno which said typically reads 20hp lower than a dynojet. That would put it right into the 470awhp area. Again, this is in line with the other plots and even BPCs high number.

To me, that stock number BPC has is suspect. I think the REAL net wheel hp is somewhere around 70-75 with a stage 1 tune. This is far from aggressive for a BMW engine IMO. A stage 1 tune on my old 335i netted around the same on a dyno and that engine and platform handled it fine for years.

Hope that helps.
Different dyno's produce different numbers. It's frustrating but true. Mine put down 352 stock on a Mustang dyno. My post is here and includes a brief explanation of why the number seems so low. So, BPCs base number didn't surprise me too much, except that it was on a dynojet. In addition, with RC Ultimate I saw a 50hp increase with setting C and 75hp with D. Based on those numbers alone, I have no doubt that a proper flash tune is capable of the numbers BPC is claiming.

Quote:
Originally Posted by CT335xi View Post
I would tend to agree with your statement as I would think it to be more like a 100 hp at the crank increase which would be a 70-75 at the wheels gain. Did Dush have a stock dyno baseline and then dyno with BPC flash? That’s all that would matter to see the gains he got, regardless of what type of dyno. Also keep this in mine the 550 if rwd will always put down a little more then a awd x5, more wheels turning more drivetrain loss, I even heard that auto trans all loses little more than a manual trans too. I have had my evo on both mustang and dyno jet dyno and it’s more like a 40-50 hp difference at 400 whp , my car put down 400 whp on dyno jet but only 350 on mustang. I’m going to dyno my car soon to see stock numbers before I put a piggy or flash tune on. I will post my results hoping to dyno it this Saturday and if not the next after.
Dush did not have a baseline dyno, and that is the problem with using his numbers. That seems to always be the problem: most people are so excited to get a new toy, we don't think to do a baseline. I was fortunate enough to get a baseline and can subsequently verify added power with each product I try. But, I don't like using my vehicle as a test bed! I prefer to install a well sorted out product and then perform a follow up dyno to verify the gain. I'm hoping to settle on a flash in the coming months and will be happy to perform another dyno at that time.
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      03-30-2018, 10:13 AM   #73
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Originally Posted by blasterman78 View Post
You can create an account in bootmod3.net and you can see the OTS tunes. without having to buy anything.

Perfect, thank you for letting me know.
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      03-30-2018, 07:40 PM   #74
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Has anyone else done this flash yet? I am hoping to in a couple weeks after my new wheels and other toys are installed.
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      03-30-2018, 08:29 PM   #75
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Originally Posted by AZTWW View Post
Has anyone else done this flash yet? I am hoping to in a couple weeks after my new wheels and other toys are installed.
I've been wondering the same thing. Have you joined the BM3 Facebook group yet? It seems like everybody there is part of the S54/55 or N54/55 crowd. There is very little posted for the S/N63.

I go back and forth, but I'm currently leaning towards BPC's tune. It's more expensive, but if you head over to the 5 and 6 series forums, at least you can find some people who are using them. In addition, they quickly and intelligently answered all the questions I asked them a couple weeks ago. As long as there is the capability to do some data logging and tweaking, I think it may be a winner.
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      03-30-2018, 09:09 PM   #76
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Originally Posted by AZTWW View Post
Has anyone else done this flash yet? I am hoping to in a couple weeks after my new wheels and other toys are installed.
I just flashed my 2018 x35i (new 12/17) this evening. I paid $595. Flash took about 3 or 4 minutes in my garage. Took it for the drive and all I can saw is wow. Seems stronger than the MPPK I had on my 2015 x35i. The car just wants to go faster and faster. I will take it for a long drive on Pacific Coast Highway tomorrow to get a better feel for things. I also have the RaceChip Ultimate. NOTE: I had the RaceChip Ultimate + MPPK on my 2015.

This is an outstanding tune. I will drive it for a few days and then I will flash it back to factory to make sure that works correctly.

$595 and you can do the flash yourself? Nice.
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      03-30-2018, 09:18 PM   #77
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Originally Posted by wwanthony View Post
I just flashed my 2018 x35i (new 12/17) this evening. I paid $595. Flash took about 3 or 4 minutes in my garage. Took it for the drive and all I can saw is wow. Seems stronger than the MPPK I had on my 2015 x35i. The car just wants to go faster and faster. I will take it for a long drive on Pacific Coast Highway tomorrow to get a better feel for things. I also have the RaceChip Ultimate. NOTE: I had the RaceChip Ultimate + MPPK on my 2015.

This is an outstanding tune. I will drive it for a few days and then I will flash it back to factory to make sure that works correctly.

$595 and you can do the flash yourself? Nice.
I appreciate the post, but we should clarify that we are specifically looking for a flash tune for a 50i (N63TU). Bootmod3 seems to have a great selection of tunes for the 6 cylinder motors, but not nearly the same support for the v8.
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      03-30-2018, 09:40 PM   #78
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Originally Posted by Rotzy View Post
I've been wondering the same thing. Have you joined the BM3 Facebook group yet? It seems like everybody there is part of the S54/55 or N54/55 crowd. There is very little posted for the S/N63.

I go back and forth, but I'm currently leaning towards BPC's tune. It's more expensive, but if you head over to the 5 and 6 series forums, at least you can find some people who are using them. In addition, they quickly and intelligently answered all the questions I asked them a couple weeks ago. As long as there is the capability to do some data logging and tweaking, I think it may be a winner.
That is a safe bet for sure. Ive seen decent stuff on pro tuning freaks for several years so they aren't fly by night. I'd have to imagine the stage 1 tune is good like the op said to start the thread. Bpc is a little more that what I can rightly justify but I was spoiled by MHD on then 335i.

I do like the fact that you can get ahold of a tuner and do a custom tune for your own x5. I had a custom tune for my 335i so I remember the process. That alone might sway me to bm3.

I think I'll pull the trigger in two weeks. Then I will see if all the talk Ian for real.
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      03-30-2018, 09:43 PM   #79
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Quote:
Originally Posted by Rotzy View Post
I appreciate the post, but we should clarify that we are specifically looking for a flash tune for a 50i (N63TU). Bootmod3 seems to have a great selection of tunes for the 6 cylinder motors, but not nearly the same support for the v8.
Sorry. Did not mean to be out of context.

BTW. There are not a plethora of tunes for a stock 6. Most of the variants assume a non-stock component is installed. There is basically a 91 or 93 octane tune for stock 6s for free. You can request a custom tune for both engines.
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      03-30-2018, 10:56 PM   #80
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I have read something in the past that there is a limit on how many times the DME can be flashed.

Did you guys looked into that information yet?
Hopefully it is different with the newer DME.
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      03-31-2018, 12:24 AM   #81
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Originally Posted by r33_RGSport View Post
I have read something in the past that there is a limit on how many times the DME can be flashed.

Did you guys looked into that information yet?
Hopefully it is different with the newer DME.
They can freeze the counter.
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      03-31-2018, 12:38 AM   #82
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Quote:
Originally Posted by pits200 View Post
Quote:
Originally Posted by r33_RGSport View Post
I have read something in the past that there is a limit on how many times the DME can be flashed.

Did you guys looked into that information yet?
Hopefully it is different with the newer DME.
They can freeze the counter.
Nice.
Been a while since I play with ECU flash.
The only option was to go aftermarket ECU when I was helping building race cars.
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      03-31-2018, 05:44 AM   #83
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Originally Posted by AZTWW View Post
That is a safe bet for sure. Ive seen decent stuff on pro tuning freaks for several years so they aren't fly by night. I'd have to imagine the stage 1 tune is good like the op said to start the thread. Bpc is a little more that what I can rightly justify but I was spoiled by MHD on then 335i.

I do like the fact that you can get ahold of a tuner and do a custom tune for your own x5. I had a custom tune for my 335i so I remember the process. That alone might sway me to bm3.

I think I'll pull the trigger in two weeks. Then I will see if all the talk Ian for real.
BPC is listed as a custom tuner for BM3, but I haven't personally approached them about what their process and price options are. I can't imagine they are thrilled about doing a custom tune through BM3, considering they offer their own product directly to the customer!
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      03-31-2018, 09:05 AM   #84
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Quote:
Originally Posted by wwanthony View Post
Quote:
Originally Posted by AZTWW View Post
Has anyone else done this flash yet? I am hoping to in a couple weeks after my new wheels and other toys are installed.
I just flashed my 2018 x35i (new 12/17) this evening. I paid $595. Flash took about 3 or 4 minutes in my garage. Took it for the drive and all I can saw is wow. Seems stronger than the MPPK I had on my 2015 x35i. The car just wants to go faster and faster. I will take it for a long drive on Pacific Coast Highway tomorrow to get a better feel for things. I also have the RaceChip Ultimate. NOTE: I had the RaceChip Ultimate + MPPK on my 2015.

This is an outstanding tune. I will drive it for a few days and then I will flash it back to factory to make sure that works correctly.

$595 and you can do the flash yourself? Nice.
Cool, please keep us updated. I also have 35i and thinking about installing the Bm3.

Quick question, did it actually take only 3-4 min to unlock the ECU and flash. That seems very fast, and did you use any battery charger?Thanks!
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      03-31-2018, 10:18 AM   #85
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Originally Posted by sbinshihon View Post
Cool, please keep us updated. I also have 35i and thinking about installing the Bm3.

Quick question, did it actually take only 3-4 min to unlock the ECU and flash. That seems very fast, and did you use any battery charger?Thanks!
No battery charger, but I did make sure I had a full charge. The car had been driven for about 4 or 5 hours before the flash. I was very concerned about not putting the charger on, so I was very cognizant of the time. It was definitely within 3 or 4 minutes. I used the OBD cable we use to code and a mac. Java is needed and this is very important: You need the Java JDK, NOT the JRE.
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      03-31-2018, 10:28 AM   #86
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Quote:
Originally Posted by wwanthony View Post
Quote:
Originally Posted by sbinshihon View Post
Cool, please keep us updated. I also have 35i and thinking about installing the Bm3.

Quick question, did it actually take only 3-4 min to unlock the ECU and flash. That seems very fast, and did you use any battery charger?Thanks!
No battery charger, but I did make sure I had a full charge. The car had been driven for about 4 or 5 hours before the flash. I was very concerned about not putting the charger on, so I was very cognizant of the time. It was definitely within 3 or 4 minutes. I used the OBD cable we use to code and a mac. Java is needed and this is very important: You need the Java JDK, NOT the JRE.
Thanks for the tip. Do keep us posted of your experience!

Im still waiting for some hardware to be installed!( Down-pipe and charge pipe) then will directly buy stage II. Is that even possible or do I need to by stage I then upgraded for an extra cost?
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      03-31-2018, 10:37 AM   #87
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Originally Posted by sbinshihon View Post
Thanks for the tip. Do keep us posted of your experience!

Im still waiting for some hardware to be installed!( Down-pipe and charge pipe) then will directly buy stage II. Is that even possible or do I need to by stage I then upgraded for an extra cost?
Nope. You can choose the tune that matches your configuration right out of the gate.
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      03-31-2018, 07:43 PM   #88
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I flashed the 50i tonight using the bm3 software... It's whole different animal now . Didn't get to drive it too much after the install but initial impressions are excellent. I was able to get on the gas in comfort, sport and sport+ but for short intervals. Longest was in sport mode and it launched me from 45 to 80 in a heartbeat. The amount of torque is incredible . I didn't get on it from a stop only from a roll. I'll have more input tomorrow after I drive it on the interstate and get a few digs in from a stop. Very impressed with this tune and, while the install wasn't seamless, the online support was excellent. More to come...
Are you worried about them seeing the drilled holes in your ecu?
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