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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > MHD "take a look at my log" thread



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      04-18-2019, 01:06 PM   #2817
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Quote:
Originally Posted by RoughKnight View Post
Stage 2 sucks as I keep the car in D mode a majority of the time. It doesnt like to shift gears, some times you find yourself trying to merge with higher speed traffic in 6th gear pushing from 1800rpm, not smart at all. Looks like stage 3 is getting all the r and d. Its a bit tougher on the tranny, you can definitly feel it slap sometimes, but overall super smooth once you put your foot in it. I won't switch back
D mode in these cars sucks even with xHP, I drive in Sport all the time stg 2 and then switch to Manual when I feel like a spirited drive
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      04-18-2019, 02:01 PM   #2818
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Quote:
Originally Posted by RoughKnight View Post
Stage 2 sucks as I keep the car in D mode a majority of the time. It doesnt like to shift gears, some times you find yourself trying to merge with higher speed traffic in 6th gear pushing from 1800rpm, not smart at all. Looks like stage 3 is getting all the r and d. Its a bit tougher on the tranny, you can definitly feel it slap sometimes, but overall super smooth once you put your foot in it. I won't switch back
That's funny, how it behaves in Drive is actually my favorite part of the tune.

I love that it holds high gears when merging, i'm less worried about it downshifting out of nowhere and catching me off guard. The car makes so much power down low it doesn't matter in the least and makes merging smoother and more comfortable. Since I am usually driving a cold car when trying to get on the highway, low rpms is my preference and letting the turbos work.

Stage 3 gives me the best of every world, no reason to mess around with the other versions and the customizable shift points, torque reduction and downshift blips are the icing on the cake.
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      04-18-2019, 08:47 PM   #2819
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Quote:
Originally Posted by type-dRew View Post
Quote:
Originally Posted by RoughKnight View Post
Stage 2 sucks as I keep the car in D mode a majority of the time. It doesnt like to shift gears, some times you find yourself trying to merge with higher speed traffic in 6th gear pushing from 1800rpm, not smart at all. Looks like stage 3 is getting all the r and d. Its a bit tougher on the tranny, you can definitly feel it slap sometimes, but overall super smooth once you put your foot in it. I won't switch back
That's funny, how it behaves in Drive is actually my favorite part of the tune.

I love that it holds high gears when merging, i'm less worried about it downshifting out of nowhere and catching me off guard. The car makes so much power down low it doesn't matter in the least and makes merging smoother and more comfortable. Since I am usually driving a cold car when trying to get on the highway, low rpms is my preference and letting the turbos work.

Stage 3 gives me the best of every world, no reason to mess around with the other versions and the customizable shift points, torque reduction and downshift blips are the icing on the cake.
now I really don't know what to do lol
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      04-19-2019, 11:36 AM   #2820
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https://datazap.me/u/roughknight/log...13-14-21-22-25

Latest pull after getting everything in the car sorted

Waterpump and coolant sensor codes ONLY when I flash exhaust burble on map 7.1. I tested this about 12 times today, flashing back to map 8 and 7 burble on and burble off. I guess my car just doesn't like the burble option but y'kno its ok by me. Is it ok for the motor to correct timing during shifts? I feel like other than that it's finally all sorted out. Charge pipe and FMIC on the way (eventually)

Last edited by RoughKnight; 04-19-2019 at 03:07 PM..
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      04-21-2019, 08:54 AM   #2821
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Quote:
Originally Posted by RoughKnight View Post
https://datazap.me/u/roughknight/log...13-14-21-22-25

Latest pull after getting everything in the car sorted

Waterpump and coolant sensor codes ONLY when I flash exhaust burble on map 7.1. I tested this about 12 times today, flashing back to map 8 and 7 burble on and burble off. I guess my car just doesn't like the burble option but y'kno its ok by me. Is it ok for the motor to correct timing during shifts? I feel like other than that it's finally all sorted out. Charge pipe and FMIC on the way (eventually)
Yep, its about as good as you can get with that combo. Little throttle closures but not bad. enjoy the air in .ca while you can.
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      04-22-2019, 07:33 AM   #2822
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Hello All,

I have 09 335i, i have VRSF Charge pipe, Mishimoto 5" FMIC, BMW Oil can and bms dual cone air intake. is it safe to run stage2 without DPs?

another question, with above mods how much max psi i should be making on stage 1 plus?
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      04-23-2019, 11:07 AM   #2823
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I'm getting long cranks, and hpfp shadow codes. Everything else, seems fine. What do you guys think?

https://datazap.me/u/fredcase/log-15...22&zoom=16-102

this one has a nice dip in rail pressure, is this the smoking gun?

https://datazap.me/u/fredcase/log-15...22&zoom=12-104
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      04-23-2019, 07:30 PM   #2824
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Quote:
Originally Posted by fredcase View Post
I'm getting long cranks, and hpfp shadow codes. Everything else, seems fine. What do you guys think?

https://datazap.me/u/fredcase/log-15...22&zoom=16-102

this one has a nice dip in rail pressure, is this the smoking gun?

https://datazap.me/u/fredcase/log-15...22&zoom=12-104
age of HP pump? Ever been replaced? What about injectors?
Rough cold starts? Even after plugs?
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      04-23-2019, 07:32 PM   #2825
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Quote:
Originally Posted by MEN54 View Post
Hello All,

I have 09 335i, i have VRSF Charge pipe, Mishimoto 5" FMIC, BMW Oil can and bms dual cone air intake. is it safe to run stage2 without DPs?
Yes depending on fuel


Quote:
another question, with above mods how much max psi i should be making on stage 1 plus?
prob mid 12s at say 3rd gear at about 4500. Depends on XI or various other ambient air parameters.
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      04-23-2019, 08:55 PM   #2826
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Quote:
Originally Posted by 335e92tx View Post
age of HP pump? Ever been replaced? What about injectors?
Rough cold starts? Even after plugs?
Hpfp age unknown. Over 6 years for sure. New plugs, coils, and recently had the index 12 injectors sent for clean and test. Passed tests. I will make a thread about that later.

Cold and hot long cranks. Happens randomly.

Between that dip, hpfp shadow codes, and long starts I'm leaning on hpfp. I just put hybrids in my other car, So, hopefully that one runs good for a while.
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      04-23-2019, 10:28 PM   #2827
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Quote:
Originally Posted by fredcase View Post
Hpfp age unknown. Over 6 years for sure. New plugs, coils, and recently had the index 12 injectors sent for clean and test. Passed tests. I will make a thread about that later.

Cold and hot long cranks. Happens randomly.

Between that dip, hpfp shadow codes, and long starts I'm leaning on hpfp. I just put hybrids in my other car, So, hopefully that one runs good for a while.
First n54 went TO 62-64K (it was a buy back - I got it at 14K miles in apr08 and it JUST had one HP pump) and the HP pump caused a limp. They replaced it under warranty and I think I had to buy a new line with the LP sensor. Then like at 100K, just after I replaced the injectors bc of cold start very rough running for like 1 min, the SECOND (or third depending on your math) HP pump failed. Again replaced. So, new injectors can cause other strange issues. Symptoms were not that different; rough idle on cold start, and after about 60secs it would be ok.
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Last edited by 335e92tx; 04-24-2019 at 12:44 AM..
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      04-24-2019, 11:20 AM   #2828
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Inputs?

https://datazap.me/u/mangvang/log-15...20-22-23-27-30
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      04-24-2019, 11:24 AM   #2829
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Quote:
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Ever replace the boost solenoids or vacuum lines? You're a good bit under boost target most of that run except when you first lean on it.
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      04-24-2019, 01:19 PM   #2830
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Ever replace the boost solenoids or vacuum lines? You're a good bit under boost target most of that run except when you first lean on it.
Boost solenoids brand new, all vacuum hoses replaced, couplers tightened. I do agree with being under target and load. I'm told that the target is set high to prevent over boost, but when I switch to ots maps it's similar. Trying to figure this out.
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      04-24-2019, 01:29 PM   #2831
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Quote:
Originally Posted by mang.vang View Post
Boost solenoids brand new, all vacuum hoses replaced, couplers tightened. I do agree with being under target and load. I'm told that the target is set high to prevent over boost, but when I switch to ots maps it's similar. Trying to figure this out.
I've been running an RFP ots map just to see if the car liked it and mine follows target much closer. I'm actually overboosting and getting throttle closures to meet target. But it feels good and corrections are minimal or better than the mhd e40 map I was running before.

That said, i see yours is an older revision(v7) of a flex fuel map, mine is not flex just a blend staged map(v9).

I'm not really sure what else could cause you to miss target aside from a boost leak you missed. Someone more experienced will have to jump in.

https://datazap.me/u/typedrew/rfp-e4...=0&data=3-4-22
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      04-24-2019, 02:04 PM   #2832
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I'm running his latest flex fuel map. I've messaged him and he's told me that it's normal, but judging from other logs I'm just not convinced.
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      04-24-2019, 02:24 PM   #2833
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Quote:
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I'm running his latest flex fuel map. I've messaged him and he's told me that it's normal, but judging from other logs I'm just not convinced.
Yeah, his site shows v7 being the newest revision for flex maps, i'm just saying, mine might look different because its a newer style file.
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      04-24-2019, 02:39 PM   #2834
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My HPF keeps crashing.
LP looks crap to.
So are trims.

What do you guys think? Bad HPFP or LPFP draging down HPFP? (HPFP and LPFP Walbro 450 changed two months ago) New LPFS aswell. All new injectors.

Running E30.

https://datazap.me/u/gsgperformance/...og=0&data=3-23
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      04-24-2019, 03:05 PM   #2835
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Quote:
Originally Posted by GSG Performance View Post
My HPF keeps crashing.
LP looks crap to.
So are trims.

What do you guys think? Bad HPFP or LPFP draging down HPFP? (HPFP and LPFP Walbro 450 changed two months ago) New LPFS aswell. All new injectors.

Running E30.

https://datazap.me/u/gsgperformance/...og=0&data=3-23
Both HPFP and LPFP look bad imo
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      04-24-2019, 03:14 PM   #2836
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Yes they both look bad, but they are brand new. Find it hard to belive that both should be braking in the same day.
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      04-25-2019, 02:19 AM   #2837
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Been chasing boost not hitting target. Have tightened everything I can think of on the hot side, looking at vacuum leak next as I recently replaced the brake booster hardline. Wouldn't a vacuum leak on the wastegate cause wgdc to go higher that what it is at the moment?

https://datazap.me/u/ansch/daily-42?...1&zoom=105-191
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      04-25-2019, 01:56 PM   #2838
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So I just recently did a log coming to work. 3rd gear pull.

Let me know what you think. I dont have much experience with the logs so not 100% sure what's good and bad.

https://datazap.me/u/e82dan/log-1556...ata=2-5-6-9-18

Thank you for the input!
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