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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications N55 535i xDrive - Pure Stage 2 PWG
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      08-15-2019, 12:04 AM   #111
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Originally Posted by ey2001 View Post
I'm on stock turbo... honestly with stock turbo I don't feel the lag with Wagner... now.. my old school Honda Accord... that has a lag... I had a big turbo on that...
I hear ya! With my Integra I had a smaller turbo so it spooled quickly but my intercooler was a medium size which worked well with my setup. Definitely brought down the IAT's. I'm gonna research and see if anyone went with an aftermarket radiator cause that would help especially with constant hard pulls. Funny how back than having turbo timers were a must but nowadays it's not needed with today's factory turbos
Yup.... I remember those days... I always thought turbo timer was bs but I remember going up to the canyons and when I popped my hook my turbo was glowing... I had the turbo time to like 2 mins and when the car shut off I checked the turbo and it wasn't bright red... lol.. mhd has coolant target settings to bring down the temp... I know you just installed the jb4 but maybe you could do a bef
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      08-15-2019, 05:20 AM   #112
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Yup.... I remember those days... I always thought turbo timer was bs but I remember going up to the canyons and when I popped my hook my turbo was glowing... I had the turbo time to like 2 mins and when the car shut off I checked the turbo and it wasn't bright red... lol.. mhd has coolant target settings to bring down the temp... I know you just installed the jb4 but maybe you could do a bef
Those were the days lol! BTW what's a bef? Part of the MHD?
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      08-15-2019, 08:20 AM   #113
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Yup.... I remember those days... I always thought turbo timer was bs but I remember going up to the canyons and when I popped my hook my turbo was glowing... I had the turbo time to like 2 mins and when the car shut off I checked the turbo and it wasn't bright red... lol.. mhd has coolant target settings to bring down the temp... I know you just installed the jb4 but maybe you could do a bef
Those were the days lol! BTW what's a bef? Part of the MHD?
Backend flash... you could use your jb4 and Ecu flash
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      08-15-2019, 11:28 AM   #114
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Backend flash... you could use your jb4 and Ecu flash
Duh, I made a post about BEF lol. That's probably something down the road i will do. All these projects cost money and sometimes the bank(wifey) denies my loan request
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      03-02-2021, 07:43 AM   #115
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How much was pure turbo upgrade and labor for someone to instal ?
Pure Stage 2 - $2125
Installation Kit - $200
Turbo Inlet - $414
VRSF FMIC - $575
VRSF Chargepipe - $180
LPFP Stage 2 - $100
DV+ - $135
Labor - $600 - I got hook up

Total - $4329

I am not including xHP Trans Flash in this because that is not part of turbo upgrade.
What's LPFP?
Hi do you have any links on the lpfp I'm looking to upgrade mine thanks
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      03-02-2021, 10:05 AM   #116
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You can get this one:
https://www.summitracing.com/parts/v...8aArT0EALw_wcB

But I heard people getting the hellcat 525:
https://www.highflowfuel.com/i-35461...caAmrsEALw_wcB

I haven't seen a reason to upgrade yet plus my next move would be dual pumps though I don't anymore lol.
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      03-02-2021, 12:44 PM   #117
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They make the F series OTS maps for MHD as well as offering custom maps.
They seem to be in Germany, so I dont know how their response time will be.
You are not going with David Shroup?
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      03-02-2021, 01:39 PM   #118
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You are not going with David Shroup?
That's an old post. I already went with David Shoup been with him close to a year I think.

I tried Twisted Tuning first and that didn't workout and then I found out about David and it has been all good since then. Been pushing 19psi. Wanted to do helix but not sure because that will add total cost to around 2000+.

I would need to get bpm4 module $700, another fuel pump plus bracket probably $150 bucks, then helix, mircon filter and e85 fuel line with Bluetooth sensor another $1400.

Not sure I want to do that but David said I can probably push 600 to the wheels if I do that.
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      03-02-2021, 09:24 PM   #119
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600 awd would be a fun ride...
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      03-02-2021, 09:30 PM   #120
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Just curious. Your differential/bushing, transfer case bushing are all ok at these power level (500+)? Or needs to be on polyurethane?
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      03-02-2021, 11:01 PM   #121
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Just curious. Your differential/bushing, transfer case bushing are all ok at these power level (500+)? Or needs to be on polyurethane?
So far yes though I am about to get rear diff gaskets and mount plus guibo replaced. But this is regular maintenance item at my mileage of 128k.

Since I am going to there replacing the mount I decided to go with this:

https://www.fcpeuro.com/products/bmw...reet-pfr5-6031

Last edited by ziekxq; 03-02-2021 at 11:30 PM..
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      07-03-2021, 03:50 PM   #122
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Update - almost 20psi to redline on 3 gallon e85 + 93 octane with lpfp stage 2 (walboro 450):

https://datazap.me/u/ziekxq/v57-5th-...og=0&data=4-24
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      07-03-2021, 04:54 PM   #123
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Originally Posted by ziekxq View Post
Update - almost 20psi to redline on 3 gallon e85 + 93 octane with lpfp stage 2 (walboro 450):

https://datazap.me/u/ziekxq/v57-5th-...&data=4-24
Is that all David could pull out of the turbo safely even with the LPFP? I am doing my clutch now and was gonna start the tuning process, wasn't sure what to expect! Lmk… tyvm
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      07-03-2021, 05:03 PM   #124
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Quote:
Originally Posted by BrowBMW View Post
Quote:
Originally Posted by ziekxq View Post
Update - almost 20psi to redline on 3 gallon e85 + 93 octane with lpfp stage 2 (walboro 450):

https://datazap.me/u/ziekxq/v57-5th-...&data=4-24
Is that all David could pull out of the turbo safely even with the LPFP? I am doing my clutch now and was gonna start the tuning process, wasn't sure what to expect! Lmk… tyvm
Actually, looks like it! Your wgdc was at only 75% but you afr was down to under 12 at the end of the pull… so you need more fuel! Wow.

Did you see a big difference between the MHD OTS map and David's tune?
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      07-03-2021, 05:46 PM   #125
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Actually, looks like it! Your wgdc was at only 75% but you afr was down to under 12 at the end of the pull… so you need more fuel! Wow.

Did you see a big difference between the MHD OTS map and David's tune?
I never ran OTS map as I believe they only target 17psi if I remember correctly and drop towards the end.

I am pretty sure we can do 21psi but don't want to risk it at this fuel level... nothing David can do with just lpfp when limitation is now at hpfp... next goal is to get port injection setup so I can run full e85. Though, we not done tuning yet so who knows we might end up being at 21psi lol. Which is pretty good for the fuel I am running compare to what everyone said that you can't pull more then 17psi on the fuel system I am running atm.
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      07-03-2021, 05:57 PM   #126
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Quote:
Originally Posted by ziekxq View Post
Quote:
Originally Posted by BrowBMW View Post
Actually, looks like it! Your wgdc was at only 75% but you afr was down to under 12 at the end of the pull… so you need more fuel! Wow.

Did you see a big difference between the MHD OTS map and David's tune?
I never ran OTS map as I believe they only target 17psi if I remember correctly and drop towards the end.

I am pretty sure we can do 21psi but don't want to risk it at this fuel level... nothing David can do with just lpfp when limitation is now at hpfp... next goal is to get port injection setup so I can run full e85. Though, we not done tuning yet so who knows we might end up being at 21psi lol. Which is pretty good for the fuel I am running compare to what everyone said that you can't pull more then 17psi on the fuel system I am running atm.
Yea, I am running 6-7 gallons of e85 on stock everything. Are you not going with helix overdrive?
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      07-03-2021, 06:18 PM   #127
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Yea, I am running 6-7 gallons of e85 on stock everything. Are you not going with helix overdrive?
Too many bad stories from helix, so I am going to do motiv reflex with port injection kit. I messaged spool to see if they have dual pump setup for our cars.

I am going to check with David if I should pour more e into the tank because previously before when we were testing to get my timing corrections to be at 0 he raised my rail pressure on hpfp to 2900psi somehow. I'll see if it is possible he can do that again or maybe he wouldn't want to mess with that now that car is running great when it comes to timing corrections.
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      07-03-2021, 06:31 PM   #128
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Quote:
Originally Posted by ziekxq View Post
Quote:
Originally Posted by BrowBMW View Post
Yea, I am running 6-7 gallons of e85 on stock everything. Are you not going with helix overdrive?
Too many bad stories from helix, so I am going to do motiv reflex with port injection kit. I messaged spool to see if they have dual pump setup for our cars.

I am going to check with David if I should pour more e into the tank because previously before when we were testing to get my timing corrections to be at 0 he raised my rail pressure on hpfp to 2900psi somehow. I'll see if it is possible he can do that again or maybe he wouldn't want to mess with that now that car is running great when it comes to timing corrections.
Have you asked DS about what he thinks about the helix? I know doubles took it off…
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      07-03-2021, 09:43 PM   #129
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Have you asked DS about what he thinks about the helix? I know doubles took it off…
He said at first things were fine then people started having problems so he said you can put it at your own risk. He is basically neutral on helix.
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      07-04-2021, 08:21 AM   #130
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Update - almost 20psi to redline on 3 gallon e85 + 93 octane with lpfp stage 2 (walboro 450):

https://datazap.me/u/ziekxq/v57-5th-...og=0&data=4-24
I was going to wait until fall for PS2 but seeing your flat 20 lbs across the log, ooof, I want it now haha.

I am 18.5 peak and holds about 14.5 to 6k then still just under 12 at 6800. Takes a lot to move this 4200+ lb monster.
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      07-04-2021, 12:16 PM   #131
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If you have the old style fuel pump and do not have any sort of active steering - this is an option too:

https://vargasturbo.com/product/shot...#configuration

In theory it seems "safer" than helix since it's overdriving the stock HPFP in a different way.

I'm not sure I want to do port injection and deal with controllers etc.

It moves our stock HPFP to be run off the belt instead:
https://www.e90post.com/forums/showthread.php?t=1435188
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Last edited by BimmerHausPerformance; 07-04-2021 at 12:22 PM..
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      07-04-2021, 07:03 PM   #132
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Quote:
Originally Posted by BrowBMW View Post
If you have the old style fuel pump and do not have any sort of active steering - this is an option too:

https://vargasturbo.com/product/shot...#configuration

In theory it seems "safer" than helix since it's overdriving the stock HPFP in a different way.

I'm not sure I want to do port injection and deal with controllers etc.

It moves our stock HPFP to be run off the belt instead:
https://www.e90post.com/forums/showthread.php?t=1435188
Not on my xdrive not compatible.... reflex by motiv is the new thing if you want to run port injection... read up on it. At this point I am trying to get as much power out as possible before moving in to a new car lol.
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