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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 535i Pure Stage 2 PWG build by Speedlogic
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      09-25-2018, 09:43 PM   #45
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Originally Posted by Bmw doubles View Post
Dual Mass is dying and the 550 clutch did fine but not enough long term. Next up Spec 3+ w/SMF steel, in preparation for next months Shift S3ctor. AZ-MCRacer all these mods what's the car good for with out upgraded fueling? 400whp?
Did you not replace the dual mass flywheel?
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      09-26-2018, 10:52 AM   #46
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Quote:
Originally Posted by ey2001 View Post
Quote:
Originally Posted by Bmw doubles View Post
Dual Mass is dying and the 550 clutch did fine but not enough long term. Next up Spec 3+ w/SMF steel, in preparation for next months Shift S3ctor. AZ-MCRacer all these mods what's the car good for with out upgraded fueling? 400whp?
Did you not replace the dual mass flywheel?
It will be replaced with a steel single mass
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      09-26-2018, 11:00 AM   #47
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It will be replaced with a steel single mass
I am planning to install 550 clutch soon with my stock flywheel... is that not a good idea?
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      09-26-2018, 11:07 AM   #48
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Quote:
Originally Posted by ey2001 View Post
Quote:
Originally Posted by Bmw doubles View Post
It will be replaced with a steel single mass
I am planning to install 550 clutch soon with my stock flywheel... is that not a good idea?
The clutch and the flywheel should be done together. My DMF at the time seemed fined and that was a mistake. Had I done both it probably would of been ok, maybe. The stock DMF is probably good for mid 400's wtq but don't quote me on that. At one point i was sending 500wtq to the stock DMF. I put in the 550 clutch and that worked for about 6 months without issue then came the weird metal sounds. Every now and then it has a weird hesitation almost like knock prevention but without codes. I already know the DMF is giving up. So now I'll just go with spec 3+, steel SMF and raise the idle to 7-900. That's a Speedlogic recommendation
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      09-26-2018, 11:10 AM   #49
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got it!! let us know how the new setup feels
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      10-07-2018, 03:20 PM   #50
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got it!! let us know how the new setup feels
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      12-03-2018, 09:37 PM   #51
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I dropped the ball today and bought the stage 2 and wagner fmic for my 2011 535i xdrive.

I wonder if I should keep jb4 or get mhd tune... im only looking to use 93oct.

Any suggestions? I know I need that darn inlet but it got to wait lol, hopefully it is easy to install afterwards?
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      12-04-2018, 08:48 AM   #52
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Originally Posted by ziekxq View Post
I dropped the ball today and bought the stage 2 and wagner fmic for my 2011 535i xdrive.

I wonder if I should keep jb4 or get mhd tune... im only looking to use 93oct.

Any suggestions? I know I need that darn inlet but it got to wait lol, hopefully it is easy to install afterwards?
Unfortunately installing the turbo inlet later is not easy due to the amount of water piping in the way. Plan on removing the water pump to do it later.
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      12-04-2018, 05:23 PM   #53
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Originally Posted by ziekxq View Post
I dropped the ball today and bought the stage 2 and wagner fmic for my 2011 535i xdrive.

I wonder if I should keep jb4 or get mhd tune... im only looking to use 93oct.

Any suggestions? I know I need that darn inlet but it got to wait lol, hopefully it is easy to install afterwards?
get rid of the JB4!!
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      12-04-2018, 08:40 PM   #54
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get rid of the JB4!!
Haha that is what im thinking... with 93 oct only i think the dme would do a better job then jb4 with smoothness.

Even though, with jb4 map 5 and new spark plugs the car runs as smooth as without jb4.
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      12-06-2018, 05:22 PM   #55
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I would run bootmod3
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      12-06-2018, 05:59 PM   #56
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Quote:
Originally Posted by ziekxq View Post
Haha that is what im thinking... with 93 oct only i think the dme would do a better job then jb4 with smoothness.

Even though, with jb4 map 5 and new spark plugs the car runs as smooth as without jb4.
1 wrong spark or blowout in that jb4 unit kiss your DME good buy. Hella expensive. Ask me how i know lol.
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      12-06-2018, 06:12 PM   #57
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There is nothing wrong with JB4 if used properly, I have been using it with a BM3 flash and it has worked very well.
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      12-07-2018, 07:29 AM   #58
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Originally Posted by anthonygan View Post
I would run bootmod3
I think I am going MHD and going to reach out to Ken from WedgePerformance for flash tune.

But I think I am going to run JB4 on map2 until summer.

I have a shop near me with AWD Mustang Dyno, so I'll dyno it there once the turbo is installed.
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      01-03-2019, 11:52 AM   #59
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Quote:
Originally Posted by Bmw doubles View Post
The clutch and the flywheel should be done together. My DMF at the time seemed fined and that was a mistake. Had I done both it probably would of been ok, maybe. The stock DMF is probably good for mid 400's wtq but don't quote me on that. At one point i was sending 500wtq to the stock DMF. I put in the 550 clutch and that worked for about 6 months without issue then came the weird metal sounds. Every now and then it has a weird hesitation almost like knock prevention but without codes. I already know the DMF is giving up. So now I'll just go with spec 3+, steel SMF and raise the idle to 7-900. That's a Speedlogic recommendation
Any update?
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      01-03-2019, 05:41 PM   #60
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There is nothing wrong with JB4 if used properly, I have been using it with a BM3 flash and it has worked very well.
I think its a hit or miss. 3 other locals and I all blew our DME mosfets with JB4. I know there was a Bavarian post about a customer in the same boat. On the flipside i have friends that run it on there M5s with no issues.
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      01-03-2019, 05:54 PM   #61
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I think its a hit or miss. 3 other locals and I all blew our DME mosfets with JB4. I know there was a Bavarian post about a customer in the same boat. On the flipside i have friends that run it on there M5s with no issues.
I plan on removing mine. In my experience, I feel they lack support and depend on another forum user to help answer your questions. Plus just not smooth delivery in power at all. Turn off JB4 and car is smooth as butter. I am getting my ECU updated and plan on yanking JB4 out then and flash with MHD.
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      01-04-2019, 08:01 PM   #62
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Any updates bmw doubles? On the new clutch and the ps2?
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      01-05-2019, 01:16 AM   #63
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Sorry guys no updates an unfortunate event with the clutch and still under repair. I'll update as soon as is good I'm hoping this month.
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      01-05-2019, 06:10 PM   #64
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Sorry guys no updates an unfortunate event with the clutch and still under repair. I'll update as soon as is good I'm hoping this month.
https://www.motivmotorsport.com/products/motiv-twin-disc-clutch-bmw-n55?variant=5251282403357

You should get that. Now I wish I had a manual :P I would of gotten that clutch.
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      01-05-2019, 10:29 PM   #65
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Quote:
Originally Posted by ziekxq View Post
Quote:
Originally Posted by Bmw doubles View Post
Sorry guys no updates an unfortunate event with the clutch and still under repair. I'll update as soon as is good I'm hoping this month.
https://www.motivmotorsport.com/products/motiv-twin-disc-clutch-bmw-n55?variant=5251282403357

You should get that. Now I wish I had a manual :P I would of gotten that clutch.
Dang $1650... ouch...
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      01-06-2019, 12:03 AM   #66
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Dang $1650... ouch...
I know but then engine rebuild with forge internals and look for stage 3 turbo lol. Probably too much for a car like this.
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