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View Poll Results: Ultimate S55 Spun Crank Hub Poll -- Please vote
2014-2015 | 6MT | Stock | No SCH 103 6.56%
2014-2015 | 6MT | Stock | SCH Failure 6 0.38%
2014-2015 | 6MT | Modified 450-500 whp | No SCH 37 2.36%
2014-2015 | 6MT | Modified 450-500 whp | SCH Failure 10 0.64%
2014-2015 | 6MT | Modified 500-550 whp | No SCH 20 1.27%
2014-2015 | 6MT | Modified 500-550 whp | SCH Failure 6 0.38%
2014-2015 | 6MT | Modified 550+ whp | No SCH 10 0.64%
2014-2015 | 6MT | Modified 550+ whp | SCH Failure 5 0.32%
2014-2015 | DCT | Stock | No SCH 151 9.61%
2014-2015 | DCT | Stock | SCH Failure 3 0.19%
2014-2015 | DCT | Modified 450-500 whp | No SCH 100 6.37%
2014-2015 | DCT | Modified 450-500 whp | SCH Failure 11 0.70%
2014-2015 | DCT | Modified 500-550 whp | No SCH 45 2.86%
2014-2015 | DCT | Modified 500-550 whp | SCH Failure 8 0.51%
2014-2015 | DCT | Modified 550+ whp | No SCH 25 1.59%
2014-2015 | DCT | Modified 550+ whp | SCH Failure 7 0.45%
2016 | 6MT | Stock | No SCH 57 3.63%
2016 | 6MT | Stock | SCH Failure 3 0.19%
2016 | 6MT | Modified 450-500 whp | No SCH 26 1.65%
2016 | 6MT | Modified 450-500 whp | SCH Failure 3 0.19%
2016 | 6MT | Modified 500-550 whp | No SCH 14 0.89%
2016 | 6MT | Modified 500-550 whp | SCH Failure 4 0.25%
2016 | 6MT | Modified 550+ whp | No SCH 5 0.32%
2016 | 6MT | Modified 550+ whp | SCH Failure 2 0.13%
2016 | 6MT Comp Package | Stock | No SCH 9 0.57%
2016 | 6MT Comp Package | Stock | SCH Failure 1 0.06%
2016 | 6MT Comp Package | Modified 450-500 whp | No SCH 0 0%
2016 | 6MT Comp Package | Modified 450-500 whp | SCH Failure 2 0.13%
2016 | 6MT Comp Package | Modified 500-550 whp | No SCH 2 0.13%
2016 | 6MT Comp Package | Modified 500-550 whp | SCH Failure 0 0%
2016 | 6MT Comp Package | Modified 550+ whp | No SCH 1 0.06%
2016 | 6MT Comp Package | Modified 550+ whp | SCH Failure 1 0.06%
2016 | DCT | Stock | No SCH 112 7.13%
2016 | DCT | Stock | SCH Failure 2 0.13%
2016 | DCT | Modified 450-500 whp | No SCH 45 2.86%
2016 | DCT | Modified 450-500 whp | SCH Failure 2 0.13%
2016 | DCT | Modified 500-550 whp | No SCH 27 1.72%
2016 | DCT | Modified 500-550 whp | SCH Failure 0 0%
2016 | DCT | Modified 550+ whp | No SCH 8 0.51%
2016 | DCT | Modified 550+ whp | SCH Failure 3 0.19%
2016 | DCT Comp Package | Stock | No SCH 19 1.21%
2016 | DCT Comp Package | Stock | SCH Failure 0 0%
2016 | DCT Comp Package | Modified 450-500 whp | No SCH 5 0.32%
2016 | DCT Comp Package | Modified 450-500 whp | SCH Failure 0 0%
2016 | DCT Comp Package | Modified 500-550 whp | No SCH 5 0.32%
2016 | DCT Comp Package | Modified 500-550 whp | SCH Failure 3 0.19%
2016 | DCT Comp Package | Modified 550+ whp | No SCH 3 0.19%
2016 | DCT Comp Package | Modified 550+ whp | SCH Failure 2 0.13%
2017 | 6MT | Stock | No SCH 17 1.08%
2017 | 6MT | Stock | SCH Failure 0 0%
2017 | 6MT | Modified 450-500 whp | No SCH 7 0.45%
2017 | 6MT | Modified 450-500 whp | SCH Failure 1 0.06%
2017 | 6MT | Modified 500-550 whp | No SCH 6 0.38%
2017 | 6MT | Modified 500-550 whp | SCH Failure 0 0%
2017 | 6MT | Modified 550+ whp | No SCH 1 0.06%
2017 | 6MT | Modified 550+ whp | SCH Failure 1 0.06%
2017 | 6MT Comp Package | Stock | No SCH 20 1.27%
2017 | 6MT Comp Package | Stock | SCH Failure 1 0.06%
2017 | 6MT Comp Package | Modified 450-500 whp | No SCH 4 0.25%
2017 | 6MT Comp Package | Modified 450-500 whp | SCH Failure 2 0.13%
2017 | 6MT Comp Package | Modified 500-550 whp | No SCH 3 0.19%
2017 | 6MT Comp Package | Modified 500-550 whp | SCH Failure 1 0.06%
2017 | 6MT Comp Package | Modified 550+ whp | No SCH 3 0.19%
2017 | 6MT Comp Package | Modified 550+ whp | SCH Failure 2 0.13%
2017 | DCT | Stock | No SCH 42 2.67%
2017 | DCT | Stock | SCH Failure 0 0%
2017 | DCT | Modified 450-500 whp | No SCH 8 0.51%
2017 | DCT | Modified 450-500 whp | SCH Failure 2 0.13%
2017 | DCT | Modified 500-550 whp | No SCH 10 0.64%
2017 | DCT | Modified 500-550 whp | SCH Failure 2 0.13%
2017 | DCT | Modified 550+ whp | No SCH 3 0.19%
2017 | DCT | Modified 550+ whp | SCH Failure 2 0.13%
2017 | DCT Comp Package | Stock | No SCH 49 3.12%
2017 | DCT Comp Package | Stock | SCH Failure 1 0.06%
2017 | DCT Comp Package | Modified 450-500 whp | No SCH 15 0.95%
2017 | DCT Comp Package | Modified 450-500 whp | SCH Failure 0 0%
2017 | DCT Comp Package | Modified 500-550 whp | No SCH 11 0.70%
2017 | DCT Comp Package | Modified 500-550 whp | SCH Failure 0 0%
2017 | DCT Comp Package | Modified 550+ whp | No SCH 6 0.38%
2017 | DCT Comp Package | Modified 550+ whp | SCH Failure 1 0.06%
2018+ | 6MT | Stock | No SCH 53 3.37%
2018+ | 6MT | Stock | SCH Failure 2 0.13%
2018+ | 6MT | Modified 450-500 whp | No SCH 9 0.57%
2018+ | 6MT | Modified 450-500 whp | SCH Failure 2 0.13%
2018+ | 6MT | Modified 500-550 whp | No SCH 2 0.13%
2018+ | 6MT | Modified 500-550 whp | SCH Failure 6 0.38%
2018+ | 6MT | Modified 550+ whp | No SCH 1 0.06%
2018+ | 6MT | Modified 550+ whp | SCH Failure 0 0%
2018+ | 6MT Comp Package | Stock | No SCH 61 3.88%
2018+ | 6MT Comp Package | Stock | SCH Failure 2 0.13%
2018+ | 6MT Comp Package | Modified 450-500 whp | No SCH 13 0.83%
2018+ | 6MT Comp Package | Modified 450-500 whp | SCH Failure 2 0.13%
2018+ | 6MT Comp Package | Modified 500-550 whp | No SCH 7 0.45%
2018+ | 6MT Comp Package | Modified 500-550 whp | SCH Failure 1 0.06%
2018+ | 6MT Comp Package | Modified 550+ whp | No SCH 4 0.25%
2018+ | 6MT Comp Package | Modified 550+ whp | SCH Failure 1 0.06%
2018+ | DCT | Stock | No SCH 76 4.84%
2018+ | DCT | Stock | SCH Failure 4 0.25%
2018+ | DCT | Modified 450-500 whp | No SCH 16 1.02%
2018+ | DCT | Modified 450-500 whp | SCH Failure) 6 0.38%
2018+ | DCT | Modified 500-550 whp | No SCH 10 0.64%
2018+ | DCT | Modified 500-550 whp | SCH Failure 4 0.25%
2018+ | DCT | Modified 550+ whp | No SCH 4 0.25%
2018+ | DCT | Modified 550+ whp | SCH Failure 3 0.19%
2018+ | DCT Comp Package | Stock | No SCH 101 6.43%
2018+ | DCT Comp Package | Stock | SCH Failure 4 0.25%
2018+ | DCT Comp Package | Modified 450-500 whp | No SCH 21 1.34%
2018+ | DCT Comp Package | Modified 450-500 whp | SCH Failure) 4 0.25%
2018+ | DCT Comp Package | Modified 500-550 whp | No SCH 20 1.27%
2018+ | DCT Comp Package | Modified 500-550 whp | SCH Failure 5 0.32%
2018+ | DCT Comp Package | Modified 550+ whp | No SCH 17 1.08%
2018+ | DCT Comp Package | Modified 550+ whp | SCH Failure 14 0.89%
Multiple Choice Poll. Voters: 1571. You may not vote on this poll

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      05-20-2021, 09:58 PM   #265
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Quote:
Originally Posted by elpeladodelsamba View Post
2018 m3 dct bm3 stage 1 93 ots map . car has 10500kms . had the tune for about 1000kms and vargas cbc intstalled same time as tune with iridium spark plugs . what a piece of ..... this ch problem on this cars is . car ran stock 9000kms . after tune and cbc install it lasted 1000kms until it spun .
TERRIBLE.

Wow, this shit still happening. I haven't logged on in 1.5 years.
Glass engine.
I was seriously considering Dinan stage 3 tune with their heat exchanger & intake, but fuck it now. Even with the warranty.

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Originally Posted by cheveux View Post
Number of posts: 1
Yeah. The guy spun the glass engine and then tried to find info on the web and found this forum and thread and posted.
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      05-24-2021, 11:50 AM   #266
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Said screw if. Ordered a billet Crank Hub. Dirt cheap to get it installed here in Germany so I can't pass it up.
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      07-17-2021, 03:15 AM   #267
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So, having my crank hub installed for peace of mind and because I'm putting down pipes and a stage 2 tune it. The mechanic, very good friend of mine, said that it was at the 5 o'clock and would've spun at any time. My car is stock and a DCT comp car. I play around a lot on the autobahn and other country back roads and never thought twice about using the kick down. Just thought I'd share.
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      07-21-2021, 10:26 AM   #268
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I just got the SSR 4-pin one installed here locally and wasn't THAT bad price-wise. That's the one that they recommended and had more experience going with so that's where I went. They billed 20hrs and that included changing the plugs, charge pipes, a lot of new gaskets, etc.

Parts/labor/install was ~3200, so ~4400 since I bought the SSR parts. Not a cheap thing to have done at all but the peace of mind is good as I set out to go with larger turbos, etc.

They said everything looked pretty good and I wasn't close to spinning anything, especially compared to some that they have seen.

Car is tuned with BM3 stg1 and I have ~63k miles on it. Car is also a 6mt fwiw
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      08-08-2021, 09:20 AM   #269
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overall stats as of this moment and assuming the responses are honest, 1260 votes, with 125 reported spun crank hubs, for about 1 in 10 cars. a little higher than i thought. but still 90 percent chance it wont happen.. this is not reflective of modded vs not, which im sure would increase the odds, as well as manual vs dct. interesting to see so many responses.
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      08-10-2021, 08:58 AM   #270
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Quote:
Originally Posted by Akbubba47 View Post
overall stats as of this moment and assuming the responses are honest, 1260 votes, with 125 reported spun crank hubs, for about 1 in 10 cars. a little higher than i thought. but still 90 percent chance it wont happen.. this is not reflective of modded vs not, which im sure would increase the odds, as well as manual vs dct. interesting to see so many responses.
The sample is also a very targeted/specific sample so i'd be wary of calling this a scientific or unbiased method of collection. Most people who haven't had issues don't have much of an incentive to come here and vote.

Anecdotally from the shop that did mine - they've seen more vehicles with problems in DCT than the manuals due to the transmission kicking down a couple gears and hitting hard - especially when modded.

They say they've done 30-40 CH jobs and most have been DCT cars. They're also the go-to shop that get referrals from other local performance shops and also the local BMW dealer for non-warranty situations.

All IMO: if you're a DCT and plan to mod I'd invest in the peace of mind and safety. Yours might not spin at all, but if it does you'd want to do a SCH fix at the same time as fixing it: so you end up doing it regardless and hopefully no other engine damage occured.
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      08-10-2021, 09:11 AM   #271
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Quote:
Originally Posted by heitzke View Post
The sample is also a very targeted/specific sample so i'd be wary of calling this a scientific or unbiased method of collection. Most people who haven't had issues don't have much of an incentive to come here and vote.

Anecdotally from the shop that did mine - they've seen more vehicles with problems in DCT than the manuals due to the transmission kicking down a couple gears and hitting hard - especially when modded.

They say they've done 30-40 CH jobs and most have been DCT cars. They're also the go-to shop that get referrals from other local performance shops and also the local BMW dealer for non-warranty situations.

All IMO: if you're a DCT and plan to mod I'd invest in the peace of mind and safety. Yours might not spin at all, but if it does you'd want to do a SCH fix at the same time as fixing it: so you end up doing it regardless and hopefully no other engine damage occured.

Yea, bunch of good points there. the chances of it occurring are quite low for a manual car vs dct. The odds of internal damage seems to be a fraction of the cars with sch as well. Ive felt no need to do mine, and im sitting in the 500-550 range with my manual 16 m4.. but the nightmare possibility although slight is still there.
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      08-10-2021, 09:30 AM   #272
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Just did mine, went with VTT hub, CBC and crank seal guard. Done, no more second guessing/debating myself lol.
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      08-10-2021, 12:11 PM   #273
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Quote:
Originally Posted by Akbubba47 View Post
Yea, bunch of good points there. the chances of it occurring are quite low for a manual car vs dct. The odds of internal damage seems to be a fraction of the cars with sch as well. Ive felt no need to do mine, and im sitting in the 500-550 range with my manual 16 m4.. but the nightmare possibility although slight is still there.
Yeah totally, i'm right there with you at about the same power range. I'm BM3 stage 2 w/ downpipes and midpipe, etc. I do want to do Pure HF or something in the future so I kinda needed the room to grow.

Admittedly it's been worth my peace of mind during the very infrequent beating the car takes. These things are just so powerful on the street it's unreasonable to really wring out a couple gears lol.
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      09-04-2021, 08:22 AM   #274
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Could a tuner adjust the power during a kickdown shift? or at least remove the kickdown from the go pedal?

2015 50k miles last 20k miles on BM3 stage 2 CS. I am getting CBC installed next week as I recently changed to the BM3 multimap and will be using the higher power 91 and 93 octane stage 2 tunes.
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      01-07-2022, 01:40 PM   #275
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Quote:
Originally Posted by heitzke View Post
The sample is also a very targeted/specific sample so i'd be wary of calling this a scientific or unbiased method of collection. Most people who haven't had issues don't have much of an incentive to come here and vote.

Anecdotally from the shop that did mine - they've seen more vehicles with problems in DCT than the manuals due to the transmission kicking down a couple gears and hitting hard - especially when modded.

They say they've done 30-40 CH jobs and most have been DCT cars. They're also the go-to shop that get referrals from other local performance shops and also the local BMW dealer for non-warranty situations.

All IMO: if you're a DCT and plan to mod I'd invest in the peace of mind and safety. Yours might not spin at all, but if it does you'd want to do a SCH fix at the same time as fixing it: so you end up doing it regardless and hopefully no other engine damage occured.
What shop did yours? Looks like you are in Nashville so not too far away from me.
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      03-31-2022, 05:14 PM   #276
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Lightbulb

Here is the March 31, 2022 Poll Data summarized:

Stock [N=758] vs Modified [N=587]:
Stock F/R: 2.9%
Modified F/R: 18.9%

6MT [N=465] vs. DCT [N=880] + Stock vs. Modified
6MT:
Stock [N=277] F/R: 4.33%
Modified [N=188] F/R: 23.9%

DCT:
Stock [N=481] F/R: 2.08%
Modified [N=399] F/R: 16.54%

Failure Rate by MY
2015 [N= 459]: 9.59%
2016 [N= 323]: 8.05%
2017 [N= 192]: 7.29%
2018+ [N= 371]: 13.21%

Interesting that the 6MT F/R is actually higher than DCT, since everything I've read seems to indicate harshness of DCT being a major factor. However, the biggest contributor is still modified vs. stock.
Also interesting that 2018 seems to have a slightly higher F/R than the other MYs even though the ratio of modified vs. stock is similar to other years.

Last edited by GTME2010; 04-01-2022 at 08:52 AM..
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      04-02-2022, 02:00 PM   #277
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550whp. My 2021 S55 spun its hub. Just thought id share data on the final year of production for S55. 14k miles. DCT.

Never launched, Never used kickdown. never took it above 7k rpms on the last 10k miles. Spun when I turned the car on.

Its my DD, 90% of the time I chill in the slow lane, other 10% I have fun on the weekends roll racing.

New hub is in, Car is working great. Cheers
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      04-04-2022, 12:06 PM   #278
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Quote:
Originally Posted by SpecialEdition_F87 View Post
550whp. My 2021 S55 spun its hub. Just thought id share data on the final year of production for S55. 14k miles. DCT.

Never launched, Never used kickdown. never took it above 7k rpms on the last 10k miles. Spun when I turned the car on.

Its my DD, 90% of the time I chill in the slow lane, other 10% I have fun on the weekends roll racing.

New hub is in, Car is working great. Cheers
Do you mind elaborating on the extend of the damage and how you determined it spun? I'm assuming you had damage to the head from timing going out?
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      04-04-2022, 01:49 PM   #279
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Quote:
Originally Posted by GTME2010 View Post
Do you mind elaborating on the extend of the damage and how you determined it spun? I'm assuming you had damage to the head from timing going out?
No head damage, a spun hub always throws timing off. Its rare for head damage. To confirm it spun you get all the codes or partial, then you take the crankhub out to confirm. Car was limp, no boost, barely drove. When we took the crankhub out there was major scoring on the hub. Just required timing adjustments. Im glad I already had a crankhub appointment that day. I believe the codes I got were vanos related.
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      04-28-2022, 01:48 PM   #280
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Quote:
Originally Posted by GTME2010 View Post
Here is the March 31, 2022 Poll Data summarized:

Stock [N=758] vs Modified [N=587]:
Stock F/R: 2.9%
Modified F/R: 18.9%

6MT [N=465] vs. DCT [N=880] + Stock vs. Modified
6MT:
Stock [N=277] F/R: 4.33%
Modified [N=188] F/R: 23.9%

DCT:
Stock [N=481] F/R: 2.08%
Modified [N=399] F/R: 16.54%

Failure Rate by MY
2015 [N= 459]: 9.59%
2016 [N= 323]: 8.05%
2017 [N= 192]: 7.29%
2018+ [N= 371]: 13.21%

Interesting that the 6MT F/R is actually higher than DCT, since everything I've read seems to indicate harshness of DCT being a major factor. However, the biggest contributor is still modified vs. stock.
Also interesting that 2018 seems to have a slightly higher F/R than the other MYs even though the ratio of modified vs. stock is similar to other years.
Guess they fixed nothing in that Yr "update"
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      04-28-2022, 04:17 PM   #281
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Quote:
Originally Posted by GTME2010 View Post
Quote:
Originally Posted by SpecialEdition_F87 View Post
550whp. My 2021 S55 spun its hub. Just thought id share data on the final year of production for S55. 14k miles. DCT.

Never launched, Never used kickdown. never took it above 7k rpms on the last 10k miles. Spun when I turned the car on.

Its my DD, 90% of the time I chill in the slow lane, other 10% I have fun on the weekends roll racing.

New hub is in, Car is working great. Cheers
Do you mind elaborating on the extend of the damage and how you determined it spun? I'm assuming you had damage to the head from timing going out?
"Special Edition" Torque overload apparently: Dyno stock M2 comp Special edition https://f87.bimmerpost.com/forums/sh....php?t=1819564
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      04-29-2022, 12:50 AM   #282
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Just got hub done on my now 3rd F82. Tired of having sch in back of my mind. Worth the money
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      05-09-2022, 11:00 AM   #283
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No failure here but couldnt shake the idea of it slipping so I just had an RK Autowerks CH done on mine. Piece of mind achieved.
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      05-10-2022, 07:33 AM   #284
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Hello , i am new here

Hakim from france (sorry for my english), after m135i LCI , RS3 8V2 (for just 3 monthes and sell it ) , i will receive my M4 f82 zcp (we say it "competition" in france) 2018 stock in few days so the crank hub topic scare me .
what piece you advise me please ?
after reading lot of comments here and in another forums/facebook group i can understand the cheapest solution (about 100 / 200 $) it not efficient am i wrong ?
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      06-10-2022, 05:44 PM   #285
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Add another 2017 DCT F80 with BM3 stg 1 to the list of spun crank hubs......
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      06-14-2022, 03:52 PM   #286
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Quote:
Originally Posted by FrankEbONEZ View Post
Add another 2017 DCT F80 with BM3 stg 1 to the list of spun crank hubs......
Sounds like you need one of these.

https://x-ph.com/insane-bmw-one-piece-crank-hub/
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Last edited by Info@mad-us.com; 06-16-2022 at 08:42 AM..
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