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      09-15-2013, 10:28 PM   #67
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Quote:
Originally Posted by TheDukeYYC
Quote:
Originally Posted by aspang86 View Post
has anyone tried running 5psi with the stage 1? I have 94 octane fuel available and was wondering if it would be safe?
I tried it on my car... Didn't notice a difference...

I am running the same (I assume) Petro_Canada 94 octane.

Currently set at 4.5PSI.
yah thats the fuel iam talking about... why did u choose 4.5?
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      09-15-2013, 10:39 PM   #68
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That's what Terry recommended... I didn't really notice a difference... Found that odd, as the difference from 3-5PSI is huge, compared to stock-to-3PSI, it's nearly that again!
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      09-15-2013, 11:02 PM   #69
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Quote:
Originally Posted by TheDukeYYC
That's what Terry recommended... I didn't really notice a difference... Found that odd, as the difference from 3-5PSI is huge, compared to stock-to-3PSI, it's nearly that again!
lol. well maybe ill try out the 5psi tomorrow. I can't imagine that .5psi of increase will cause much of a problem especially if iam going to use 94 fuel.
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      09-16-2013, 12:25 PM   #70
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Best boost settings for 97 octane gas

Quote:
Originally Posted by aspang86 View Post
yah thats the fuel iam talking about... why did u choose 4.5?
Hey Guys, here in Chile I have 97 octane gas. Do you you think changing from +3 to +4 would do an important difference with this fuel? Do you think setting boost to +5 would be uselful with this fuel?

regards,
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      11-01-2013, 07:41 PM   #71
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Quote:
Originally Posted by Wrinckled
That's terrifying... I'd feel unethical bringing my car in if my engine broke due to an aftermarket tune :\


Quote:
Originally Posted by Jamesons Viggen View Post
Well, I saw an N20 that needed a full engine replacement due to a failed injector-he had a AFE tune and the dealer is nice enough to realize it was not the fault of the tune. Most dealers would not be so nice, and you can be on the hook for $5-10-15k. But he also did not bother to remove the tune when he brought it in.
Wow
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      11-05-2013, 04:18 AM   #72
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Helo all

So i did dyno run this morning and here are the result

I have 2013 320i with bms stage 2(map 5), everything else is stock

few comments on dyno run and bout the machine, i dont know which model it was, he did tests in 4th gear with traction control fully off.

I changed bms to map 0, and we did a stock run which was pretty simple, but when i changed to map 5 and we did a dyno run, is where the wierd stuff started to happen on dyno map, which came up with zig zag with 228hp, i was like wtf. The guy told me its probably because car needed more air, bigger fans, he said there is too much back pressure something like, also he said that the dyno they have was slowing the car down, because it has slowing down capabilities, basicaly its not fully free. i dont know much bout dynos, or what that means.
Anyway we left the car for bout 10 min to cool off and did another 2 runs which showed curved not in zig zag any more... (Also he changed someting in dyno computer/machine which was 70% to 5% and he said that it would make car to run more freely)
It was very wierd why it come up in zig zag, because when diriving on high way or goin full gas never felt a power loss, i did hope for better result, but i think it was way too hot in the their garage and their fans probably didint provide enough coolin or air to the car, the bonet was very very hot but the car temperature was normal

I have no idea how Terry at bms with satge 2 come up with 266 horses at the wheels, i did hope for at least 250 hp.. oh well

in my opinion car feels faster than 220 horse power, maybe its me or maybe i wrong well or maybe guy at dyno did something wrong anywway i want more horses

Stock , map 0


BMS stage 2 map 5


The fans they used
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      11-05-2013, 05:44 AM   #73
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Quite disappointing results... That was supposed to be stage one dyno.
In the manual, it says that the tune has some safety features where the tune doesn't engage itself if the engine is not in the optimal working temperature (too cold or too hot). Could be the case judging from your description but dono. Would be interesting to see other independent dyno results
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      11-05-2013, 11:40 AM   #74
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Quote:
Originally Posted by speedyvk View Post
Helo all

So i did dyno run this morning and here are the result

I have 2013 320i with bms stage 2(map 5), everything else is stock

few comments on dyno run and bout the machine, i dont know which model it was, he did tests in 4th gear with traction control fully off.

I changed bms to map 0, and we did a stock run which was pretty simple, but when i changed to map 5 and we did a dyno run, is where the wierd stuff started to happen on dyno map, which came up with zig zag with 228hp, i was like wtf. The guy told me its probably because car needed more air, bigger fans, he said there is too much back pressure something like, also he said that the dyno they have was slowing the car down, because it has slowing down capabilities, basicaly its not fully free. i dont know much bout dynos, or what that means.
Anyway we left the car for bout 10 min to cool off and did another 2 runs which showed curved not in zig zag any more... (Also he changed someting in dyno computer/machine which was 70% to 5% and he said that it would make car to run more freely)
It was very wierd why it come up in zig zag, because when diriving on high way or goin full gas never felt a power loss, i did hope for better result, but i think it was way too hot in the their garage and their fans probably didint provide enough coolin or air to the car, the bonet was very very hot but the car temperature was normal

I have no idea how Terry at bms with satge 2 come up with 266 horses at the wheels, i did hope for at least 250 hp.. oh well

in my opinion car feels faster than 220 horse power, maybe its me or maybe i wrong well or maybe guy at dyno did something wrong anywway i want more horses

Stock , map 0


BMS stage 2 map 5


The fans they used
Looks like a normal result to me. Don't make the mistake of thinking all dynos read the same. Dynojets read the highest. Looks like your dyno reads very low.

If I am reading your chart right you gained 34% power which is not that far off BMS' results especially if fans are not sufficient, octane is lower, etc.

Mike
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      11-05-2013, 12:12 PM   #75
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Ty for clarifying Terry, anyway im very happy with the tune nevertheless dyno charts

hopefully soon ill install down pipe and squeeze some more power

by they way forgot to mention in previous post, i use 95 unleaded something.. which i believe 91 octane in USA
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      11-05-2013, 12:46 PM   #76
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Looks like a normal result to me. Don't make the mistake of thinking all dynos read the same. Dynojets read the highest. Looks like your dyno reads very low.

If I am reading your chart right you gained 34% power which is not that far off BMS' results especially if fans are not sufficient, octane is lower, etc.

Mike
I could be reading something wrong here (because I can only read spanish with the help of google), but where do you see 34%?

I see ~34% difference between the power measured at the wheels (ruedas, in blue) and power of the engine in red (power at the wheels + pull [arrestre, in green]). They are correcting that value with a factor of 0%, meaning no losses in the transmission, i think.

The difference i see between map 5 and map 0 is 163 kW vs 140 kW, or about a 16% gain. If this measurement were correct, that would translate to 209 hp on BMS stage 2 at the wheels.

I dont want to imply that the stage 2 only gets a 16% gain, as there is a language barrier here, more that something seems fishy with this data.
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      11-05-2013, 01:01 PM   #77
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Quote:
Originally Posted by kassad View Post
I could be reading something wrong here (because I can only read spanish with the help of google), but where do you see 34%?

I see ~34% difference between the power measured at the wheels (ruedas, in blue) and power of the engine in red (power at the wheels + pull [arrestre, in green]). They are correcting that value with a factor of 0%, meaning no losses in the transmission, i think.

The difference i see between map 5 and map 0 is 163 kW vs 140 kW, or about a 16% gain. If this measurement were correct, that would translate to 209 hp on BMS stage 2 at the wheels.

I dont want to imply that the stage 2 only gets a 16% gain, as there is a language barrier here, more that something seems fishy with this data.
your translation in correct, also as i mentioned before in my post when the guy started doing pulls with map 5 on, first two runs, dyno chart was crazy zig zag, too bad i havent gotten copy of that, graph showed like there was loss in power, but i knew there is no loss in power what so ever, so than as i said guy told me that is probably lack of air or some other bulshit i dont know.. i concluded that dyno run with stage 2 on map 5 wasn't correct because he couldn't get dyno chart to show normally

he also said that this dyno is not primary goal to measure power, he said something to do with braking .. i cant remeber what it was
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      12-15-2013, 04:10 PM   #78
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Urge to order the stage 2... rising. For the price seems like some amazing power gains.
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      12-23-2013, 04:04 AM   #79
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I though i will let you guys know who is thinking of putting stage 2 on 320i, you really really need flex fuel, i ordered my stage 2 with flex fuel, but i only installed it like a week ago, i kinda couldn't find the fuel rail thingy..also wasn't sure about installation... Terry told me that stage 2 will work without flex fuel fine, but i saw people on n54tech forums posting and saying that flex fuel was important for whatever reasons i cant remember ...

anyway few emails to Terry, solved my installation issues, and the 1st difference i noticed is that hesitation car had before on 2nd gears.... is completely gone and acceleration a bit stronger now im sure car feels even faster than before , obviously some dyno would do justice, maybe ill do it in a month or so..

for now flex fuel made me very happy for difference it made
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      12-23-2013, 12:32 PM   #80
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Looks like a normal result to me. Don't make the mistake of thinking all dynos read the same. Dynojets read the highest. Looks like your dyno reads very low.

If I am reading your chart right you gained 34% power which is not that far off BMS' results especially if fans are not sufficient, octane is lower, etc.

Mike
34HP not to mention the gains in torque is huge bang for buck IMO
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      07-08-2014, 11:23 PM   #81
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Quote:
Originally Posted by speedyvk View Post
Helo all

So i did dyno run this morning and here are the result

I have 2013 320i with bms stage 2(map 5), everything else is stock

few comments on dyno run and bout the machine, i dont know which model it was, he did tests in 4th gear with traction control fully off.

I changed bms to map 0, and we did a stock run which was pretty simple, but when i changed to map 5 and we did a dyno run, is where the wierd stuff started to happen on dyno map, which came up with zig zag with 228hp, i was like wtf. The guy told me its probably because car needed more air, bigger fans, he said there is too much back pressure something like, also he said that the dyno they have was slowing the car down, because it has slowing down capabilities, basicaly its not fully free. i dont know much bout dynos, or what that means.
Anyway we left the car for bout 10 min to cool off and did another 2 runs which showed curved not in zig zag any more... (Also he changed someting in dyno computer/machine which was 70% to 5% and he said that it would make car to run more freely)
It was very wierd why it come up in zig zag, because when diriving on high way or goin full gas never felt a power loss, i did hope for better result, but i think it was way too hot in the their garage and their fans probably didint provide enough coolin or air to the car, the bonet was very very hot but the car temperature was normal

I have no idea how Terry at bms with satge 2 come up with 266 horses at the wheels, i did hope for at least 250 hp.. oh well

in my opinion car feels faster than 220 horse power, maybe its me or maybe i wrong well or maybe guy at dyno did something wrong anywway i want more horses

Stock , map 0


BMS stage 2 map 5


The fans they used

Should of ran it in in 6th gear if it was an auto, 6th gear is the closest to 1:1 (because its exactly 1:1) - the guy probably had no idea it was an 8at if it was an auto. Other dynos I have physically seen, including my own car, were right on target with Terry's numbers.... Hope this helps. Best, Mike
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      12-13-2015, 12:25 PM   #82
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Anyone running e85 on a 320i JB4 on Map 5? I've got the latest JB4 version w/ Molex OBD2 connectors and EWG. I'm wondering if I would need to do 50/50 93/e85 mixture or if I can run straight e85 and see better performance.

Thanks!
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      12-16-2015, 01:07 AM   #83
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I have a 2015 320i. I'm currently running JB4 Stage 2 Map 5. I'm using a 60/40 mixture of 91/E85. Compared to 100% 91, it's a night and day difference between power and throttle response. Current mods are: Injen intake, ER catless downpipes, and Borla catback exhaust. Still debating on making the jump to map 2. If I recall right, it's not recommended to go above a 40% E85 mix.
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      12-16-2015, 08:53 AM   #84
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Just Ordered this system for my '14 320xi. Also going to get the Flex Fuel wiring, new injectors and fuel pump then push E85 through her. Looking to push around 300hp!
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      12-21-2015, 09:36 PM   #85
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Quote:
Originally Posted by TFX_N20
I have a 2015 320i. I'm currently running JB4 Stage 2 Map 5. I'm using a 60/40 mixture of 91/E85. Compared to 100% 91, it's a night and day difference between power and throttle response. Current mods are: Injen intake, ER catless downpipes, and Borla catback exhaust. Still debating on making the jump to map 2. If I recall right, it's not recommended to go above a 40% E85 mix.
TFX-Any video/audio clips of your car? Curious on DP and Borla. I've been enjoying Map5 and the e85 mixture, quite peppy says the butt Dyno!
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      06-09-2019, 09:21 AM   #86
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What's the safest map to use on a stock 320i? And what is the max HP/Torque gain to expect? I want to keep the rest of the car stock, so I'd like to know what's the safest map to run.
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      06-09-2019, 09:34 AM   #87
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Quote:
Originally Posted by Ishan99 View Post
What's the safest map to use on a stock 320i? And what is the max HP/Torque gain to expect? I want to keep the rest of the car stock, so I'd like to know what's the safest map to run.
I have the BMS Stage 1 on my 2016 320I which is the unit used for the dyno testing. I have it set at +4 psi and it made a huge difference. According to the dyno results, it should put you at about 220hp.

Plus it only brings the total psi up to about 12psi which makes me believe that there will be minimal impact on the car's reliability.
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      06-16-2019, 09:08 AM   #88
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Quote:
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Quote:
Originally Posted by Ishan99 View Post
What's the safest map to use on a stock 320i? And what is the max HP/Torque gain to expect? I want to keep the rest of the car stock, so I'd like to know what's the safest map to run.
I have the BMS Stage 1 on my 2016 320I which is the unit used for the dyno testing. I have it set at +4 psi and it made a huge difference. According to the dyno results, it should put you at about 220hp.

Plus it only brings the total psi up to about 12psi which makes me believe that there will be minimal impact on the car's reliability.
Have you calculated your 0-60 time?
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