Spun Crank Hub :(

JayKno · 01-27-2020, 10:07 AM

Hey guys, so it happened to me.

2015 M4 DCT with custom e85 tune.

The car is in the shop now for repairs.

I'm wondering what everyone's opinion is on the best fix. MaxPSI?

Is the chance of spinning it again increased after it has been repaired using stock parts? Did BMW release new parts that may reduce the chances of it happening again?

Basically I'm either going to sell the car or install a permanent fix, just trying to decide what's best since I'd really like to keep the car, but don't really like the idea of spending 4-5k for a crank hub fix unless I'm positive it will prevent this from happening in the future and not create any new issues.

Bazooka173 · 01-27-2020, 10:16 AM

Look for aftermarket hubs. I have seen one a while back with good reviews. slightly different design than the stock.

SenorRoadRage · 01-27-2020, 10:19 AM

Sorry bro

Schultz28 · 01-27-2020, 10:23 AM

SSR now makes the MaxPSI crank hub. Probably the best one to go with.

https://f80.bimmerpost.com/forums/sh....php?t=1675231

Djdnav · 01-27-2020, 10:31 AM

Quote:

Originally Posted by Bazooka173

Look for aftermarket hubs. I have seen one a while back with good reviews. slightly different design than the stock.

Why would you even post this?

sna66 · 01-27-2020, 10:31 AM

This is sad, seems like E85 = SCH

JayKno · 01-27-2020, 10:36 AM

Quote:

Originally Posted by Schultz28

SSR now makes the MaxPSI crank hub. Probably the best one to go with.

https://f80.bimmerpost.com/forums/sh....php?t=1675231

That seems to be the consensus.

I'd really like to keep the car, and if a crank hub fix removes the time bomb fuse, that may be the route I go.

Really interested to hear if anyone has spun a crank hub a second time after it was repaired. I remember reading that BMW may have released some updated parts like a new friction disc or something like that.

JayKno · 01-27-2020, 10:38 AM

Quote:

Originally Posted by Djdnav

Why would you even post this?

haha, my thoughts as well but I appreciate any feedback. I've read almost the entire crank hub master thread, but there is so much info, and much of it is now outdated.

JayKno · 01-27-2020, 10:40 AM

Quote:

Originally Posted by sna66

This is sad, seems like E85 = SCH

It seems that way. I'd almost recommend a crank hub fix before anyone goes e85.

theweebabySeamus · 01-27-2020, 11:58 AM

Quote:

Originally Posted by JayKno

It seems that way. I'd almost recommend a crank hub fix before anyone goes e85.

Yeah, why guys still go e85 without a crank hub fix at this point is beyond me.

OP I'm definitely sorry for your issue, but if you plan to stay E85 I would definitely go with a crank hub fix.

icegrill · 01-27-2020, 12:08 PM

Quote:

Originally Posted by theweebabySeamus

Quote:

Originally Posted by JayKno

It seems that way. I'd almost recommend a crank hub fix before anyone goes e85.

Yeah, why guys still go e85 without a crank hub fix at this point is beyond me.

OP I'm definitely sorry for your issue, but if you plan to stay E85 I would definitely go with a crank hub fix.

Here's a quick meme.

JayKno · 01-27-2020, 12:12 PM

Quote:

Originally Posted by icegrill

Here's a quick meme.

Lol, this is exactly what I sent my GF when it happened. Honestly, I was under the impression it was a very rare occurrence.

Mintsopoulos · 01-27-2020, 12:26 PM

Any specifics about when it occurred? During a down shift/upshift? Launched? It seems that most have occurred during a downshift.

JayKno · 01-27-2020, 12:28 PM

Quote:

Originally Posted by Mintsopoulos

Any specifics about when it occurred? During a down shift/upshift? Launched? It seems that most have occurred during a downshift.

I had downshifted pretty aggressively shortly before a pull so it seems in line with the other reports of downshifts contributing to the issue.

DanMpower · 01-27-2020, 12:33 PM

Quote:

Originally Posted by JayKno

I had downshifted pretty aggressively shortly before a pull so it seems in line with the other reports of downshifts contributing to the issue.

Sorry to hear that, any word on the damages yet? Who is doing the repair?

LINF83 · 01-27-2020, 02:14 PM

Check out insane performance crank hub one pice design

Isj · 01-27-2020, 02:22 PM

Quote:

Originally Posted by JayKno

Quote:

Originally Posted by Mintsopoulos

Any specifics about when it occurred? During a down shift/upshift? Launched? It seems that most have occurred during a downshift.

I had downshifted pretty aggressively shortly before a pull so it seems in line with the other reports of downshifts contributing to the issue.

Was the kickdown switch engaged?

ssgm1x · 01-27-2020, 02:22 PM

Full E85 + Meth with just the Crank Bolt Capture.
Many many passes at the Dragstrip too

BlownOne · 01-27-2020, 04:44 PM

Vtt v2 spline lock crank hub and crank bolt capture kit for complete fix. This is the route I went and it has held up fine to lots of abuse on e85/meth at 700whp

Beemerm3 · 01-27-2020, 05:55 PM

You should avoid vtt for now. other people sell the cbc too. But the cbc is some thing u should install. Go with a insane crank hub. It's cheaper than the rest. But there are better crank hubs out there.

aBMWfan · 01-27-2020, 05:56 PM

Quote:

Originally Posted by BlownOne

Vtt v2 spline lock crank hub and crank bolt capture kit for complete fix. This is the route I went and it has held up fine to lots of abuse on e85/meth at 700whp

No... just no...

dreventador · 01-27-2020, 07:42 PM

Just don't get a VTT crank hub fix.

01-27-2020, 10:07 AM	#1
JayKno Private First Class 33 Rep 135 Posts Drives: 2015 BMW M4 Join Date: Apr 2016 Location: Baton Rouge, LA iTrader: (2) Garage List 2015 BMW M4 [0.00]	Spun Crank Hub :( Hey guys, so it happened to me. 2015 M4 DCT with custom e85 tune. The car is in the shop now for repairs. I'm wondering what everyone's opinion is on the best fix. MaxPSI? Is the chance of spinning it again increased after it has been repaired using stock parts? Did BMW release new parts that may reduce the chances of it happening again? Basically I'm either going to sell the car or install a permanent fix, just trying to decide what's best since I'd really like to keep the car, but don't really like the idea of spending 4-5k for a crank hub fix unless I'm positive it will prevent this from happening in the future and not create any new issues.
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01-27-2020, 10:16 AM	#2
Bazooka173 Private 5 Rep 50 Posts Drives: E90 330i F80 M3 F15 X5 Join Date: Sep 2011 Location: HOUSTON iTrader: (0)	Look for aftermarket hubs. I have seen one a while back with good reviews. slightly different design than the stock. __________________ Thanks, MK
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01-27-2020, 10:19 AM	#3
SenorRoadRage Private First Class 200 Rep 182 Posts Drives: '15 BSM F82 Join Date: Nov 2019 Location: Austin iTrader: (0)	Sorry bro
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01-27-2020, 10:23 AM	#4
Schultz28 Lieutenant 255 Rep 490 Posts Drives: 2015 F80 M3 Join Date: Oct 2016 Location: Campbell, CA iTrader: (1)	SSR now makes the MaxPSI crank hub. Probably the best one to go with. https://f80.bimmerpost.com/forums/sh....php?t=1675231
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01-27-2020, 10:31 AM	#6
sna66 Captain 506 Rep 760 Posts Drives: F83 Join Date: May 2014 Location: South FL iTrader: (0)	This is sad, seems like E85 = SCH
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01-27-2020, 12:26 PM	#13
Mintsopoulos Captain 667 Rep 606 Posts Drives: '15 MW F80 6MT Join Date: Aug 2019 Location: Chicago iTrader: (0)	Any specifics about when it occurred? During a down shift/upshift? Launched? It seems that most have occurred during a downshift. __________________ #TMGPS For The Gram
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01-27-2020, 02:14 PM	#16
LINF83 Lieutenant 852 Rep 445 Posts Drives: F80 Join Date: Feb 2019 Location: Maryalnd-DMV iTrader: (0)	Check out insane performance crank hub one pice design
	Appreciate 3 behindthen0thing839.50 Jus.Static367.50 chen0.00 Quote

01-27-2020, 02:22 PM	#18
ssgm1x Captain 418 Rep 771 Posts Drives: 2020 M340i & 2018 M3 Join Date: Aug 2017 Location: Cherry hill ,NJ iTrader: (0)	Full E85 + Meth with just the Crank Bolt Capture. Many many passes at the Dragstrip too __________________ 2020 BMW M340ix Dravit Grey 2018 BMW M3 Alpine White
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01-27-2020, 04:44 PM	#19
BlownOne Second Lieutenant 172 Rep 267 Posts Drives: 2018 m4 comp Join Date: Aug 2019 Location: NorCal iTrader: (2)	Vtt v2 spline lock crank hub and crank bolt capture kit for complete fix. This is the route I went and it has held up fine to lots of abuse on e85/meth at 700whp
	Appreciate 1 Chris@VargasTurboTech1932.00 Quote

01-27-2020, 05:55 PM	#20
Beemerm3 First Lieutenant 59 Rep 345 Posts Drives: 16' BMW m3 Join Date: Jul 2019 Location: Sacramento iTrader: (0)	You should avoid vtt for now. other people sell the cbc too. But the cbc is some thing u should install. Go with a insane crank hub. It's cheaper than the rest. But there are better crank hubs out there.
	Appreciate 3 ASRman103.00 MisterF80M31045.50 Ellazzar63.00 Quote

01-27-2020, 07:42 PM	#22
dreventador Private First Class 102 Rep 152 Posts Drives: X5, Hellrot F80 M4 Join Date: Jan 2017 Location: NYC iTrader: (1)	Just don't get a VTT crank hub fix.
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