Fixing the F8x M2 / M3 / M4 S55 Crank Hub Slip - Evolve 4 Pin Billet Keyed Crank Hub Upgrade

Every BMW M Engine seems to have its Achilles heel, and for the S55 it is the Crank Hub! This issue has plagued owners, especially those looking to get more power out of their turbo M car. We're proud to now offer a fully developed fix for the issue, meaning owners have the peace of mind that the flawed factory part has been removed for our upgraded billet crank hub that we have personally stress tested to well over 700hp.
Thanks to Dylan from ‪@r44performance‬ for letting us borrow his M2 Competition to film this video with.
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[@frocka]

Wow! You guys are no joke. Really wished I lived in the UK to be able to have your team take care of my (F87) M2 Comp

[@ali09killuminati]

Order it and get it fitted by a local garage?

[@EvolveAutomotive]

We ship worldwide and are happy to try and recommend a local workshop we know where possible ✌🏻

[@THEDOPEYDAISY]

EVOLVE have worked on my brothers E90 M3 on 3 occasions and they do excellent work. Hash is the best mechanic there, he always gave feedback on the car and is always polite and courteous. The other one don’t even make eye contact he just give you the keys and walk off without a peep.

[@rashmiro6202]

The mechanic is top tier 👍💯

[@imfuctifino]

I played it at 0.25 speed when refitting , didn't see much use of a torque wrench

[@filipdvl6776]

I have a 2016 f82 m4 s55 full stock with 82k kms; no crank hub fix, zero troubles, when warm it gets driven spiritedly; fast enough🥳 thanks for the content still ❤️

[@thebingaling1105]

Still no issues?

[@filipdvl6776]

@@thebingaling1105105k km now, zero issues🎉

[@thebingaling1105]

@@filipdvl6776 great to hear. I’ve just got an M4 and gonna keep it stock so happy to hear this. So much scaremongering going on. I appreciate it is a potential issue but possibly not as bad as people think.

[@filipdvl6776]

I think if you take good care of everything and keep it stock, it helps.

[@thebingaling1105]

@@filipdvl6776 no kick-downs!!!

[@neotemana]

Imran is such a well of knowledge...would be interesting spending even a day with this man to learn about inner details of BMW engines...Nice one gents!

[@paulpateman6723]

When I get my M4 you guys are the first place iam driving to you are awesome 👍🇬🇧👍🇬🇧

[@schmick63]

My 1M N54 spun its hub. Hybrids and 26psi on e85 will do it. Mine was only a slight spin, no internal damage but timing was out enough that the engine wouldn't run.

[@olivers.6420]

Wow guys!!! Great engineering work!! That is a lot work but as always great work from Hash!!!

[@triz1hunna151]

Longer videos please love you guys content least 25mins I need 😂😂

[@EvolveAutomotive]

We don’t like to waste peoples time with waffle!

[@Hcarmad]

Great work gone into a great solution, top quality as always.

[@supradaytona9576]

Thank you the best detail video in KZbin about this issue BMW Thank you very much I know right now what's going on

[@darrenboston342]

Nice touch there Hash👊 Great work as always by the guys at Evolve👌 Worth every penny I’d say if your running big BHP on these engines, better to be safe than sorry I’d say👍

[@censorshipBS]

Very smart develop a part where there's a massive amount of labour to fit it ❤

[@EvolveAutomotive]

Yes so we can only fit one every 2 days, rather than say our paddles which take 30 mins. Unfortunately to fix this properly it takes a lot of time, but then it’s fixed for good.

[@CharlesChristena]

What is the risk of the pins sheering? Does it still use any sort of friction disc from the original oem implementation?

[@hash.M2]

Does this issue affect the OG M2 with the N55 engine?

[@EvolveAutomotive]

It has the same crank hub yes, but we must admit we’ve not really heard of it being an issue and have not carried out this upgrade on our own N55 M2

[@inews5193]

Does the the timing chain need to be replaced as well?

[@EvolveAutomotive]

Doesn’t have to be, we recommend it on higher mileage cars as a ‘while you’re in there’ but leave it down to the customer.

[@dolinpessoa]

Does it applied for a manual gear? Cheers from Brazil

[@SH7SH7SH7]

What’s the price inc installation? Cheers

[@EvolveAutomotive]

£2599.99 inc VAT supplied and installed - www.evolveautomotive.co.uk/products/evolve-pinned-crank-hub-bmw-f87-m2-competition-f80-m3-f82-f84-m4-s55?variant=45253837685027

[@RichardPrimrose-d6s]

What would be the cost involved in getting this done?

[@EvolveAutomotive]

Currently £1599 for Black Friday! Normally £2000 inc VAT - www.evolveautomotive.co.uk/products/evolve-pinned-crank-hub-bmw-f87-m2-competition-f80-m3-f82-f83-m4-s55?variant=45253837685027

[@kovacspis]

Guys, I miss your air intake design and testing videos a lot!

[@EvolveAutomotive]

New ones coming soon

[@chicomaxima1]

The first Inline 6 M engine s38 have a similar problem. So far is hanging on with red threadlocker 😓

[@clemenvasquez6229]

hey i like to know what is tha gasket kit for installation

[@zali9657]

Less goo

[@sebastiankulesza3782]

GREAT CONTENT !!! THANK YOU!!!!!😎

[@alf2633]

Hi Evolve team, I've just purchased a DCT OG N55 M2 with 95k kms. I'm looking at doing bolt ons and a tune for 400whp. Will this power level, alongside daily driving and occasional spirited B road driving necessitate this crank hub solution? Could a crank hub capture bolt alone be sufficient at this power level for an N55? Would enormously appreciate any insight. Thanks, Al

[@Pochito1234567]

If I have an M4 F82 with stage 2 remap, downpipes, and intake, Mi gonna have that crank hub problem? or is it just when you go hybrid turbos... because I want to drive pacefully and not thinkinh i´m gonna blow the motor for driving hard.

[@EvolveAutomotive]

If you’re worried about it and it’s going to ruin the enjoyment of the car, get it done. We try to lay out the facts as unbiased as we can in this video.

[@scriptedPR]

Looking for your advice if that’s ok. In the states. Daily driver. Eyes set on m2. N55 or s55 variant for roughly 6-8k more? Which would you suggest. Idk if I’ll ever track it but I may, who knows? I’m a huge Motorsport fan so there is always a possibility. Thanks.

[@EvolveAutomotive]

We personally love the OG M2 with the N55, purely for sound the S55 will never sound as good to us - Plus it is hard to argue with the cost savings. I'd rather spend that 6-8k more on a CSF Intercooler, exhaust and our remap/CS software for the N55. Maybe see if you can get some M4 seats too, as the N55 ones are a bit basic.

[@scriptedPR]

@@EvolveAutomotivethank you for your opinion. I was actually leaning this way also just bc of sound. It’s such a huge factor for me and I didn’t want to get too crazy with power anyways. Like 450 at most with some basic bolt ons and a tune. I know I could do this with the s55 variant very easily but like you said the sound is just not where i want it to be.

[@TimChump]

How much to supply and fit?

[@EvolveAutomotive]

Currently £2000 inc VAT - www.evolveautomotive.co.uk/products/evolve-pinned-crank-hub-bmw-f87-m2-competition-f80-m3-f82-f83-m4-s55?variant=45253837685027

[@son_of_black7918]

Is there anyway of knowing if this has already been done on a car if the seller/garage doesn’t know? Any visual signs without any kind of strip down?

[@EvolveAutomotive]

Unfortunately no. Like with E9x M3 rod bearings if the seller doesn’t mention them I’d assume they haven’t been done as it’s a nice value adding item for a sale.

[@montana2806]

doesnt it also need a crank bolt capture plate?

[@EvolveAutomotive]

No it does not.

[@Blunt_trauma689]

I have a stage 2 tune 93oct would you recommend upgrading the crank hub?

[@Blunt_trauma689]

It’s a 2020 m2 comp.. thank you

[@EvolveAutomotive]

If you want peace of mind then yes, if you’re happy to risk it then no

[@Blunt_trauma689]

I’m in the US.. I’m considering buying from your website.. just calling around to see about labor costs.

[@Mgmar492]

Not necessary to do on M2 N55??

[@EvolveAutomotive]

It has the same crank hub yes, but we must admit we’ve not really heard of it being an issue and have not carried out this upgrade on our own N55 M2

[@yg78t76t7]

Hi there :) Is the crank hub fix required if car has catless downpipes and a stage 2 tune?

[@EvolveAutomotive]

As said in the video, it’s not something we require, it’s down to the customer, so some more research alongside this video and make your mind up.

[@yg78t76t7]

@@greatcolor there are lots of shops that will do it for 3k

[@masterkendro]

Im about to take ownership of an M2 Comp. Is there any shop you recommend in texas? The vehicle has less than 10k miles, but eventually, I'd like to get it done just for the piece of mind?

[@EvolveAutomotive]

Congrats! Drop us an email - [e-mail]

[@DabbingStoner818]

So it has to be done if you get a m2c? damn

[@THEG12EG]

is this less cost than a 1 piece unit? if not what's the advantage?

[@Gentlemen_london_]

Did you not listen to anything he said? 😂🤦‍♂️

[@THEG12EG]

@@Gentlemen_london_ I mean compared to a single piece 4 pin not the standard one!

[@EvolveAutomotive]

As said in the video, ease of installation.

[@qvx817]

why 2 pieces instead of 1?

[@EvolveAutomotive]

As said in the video, ease of installation

[@qvx817]

is it less strenght than one piece?@@EvolveAutomotive

[@EvolveAutomotive]

No, the interlocking key design means it is impossible for the 2 parts of the hub to move independently

[@strussdo]

This was a big job 😂.. How much do you guys charge for this

[@EvolveAutomotive]

£2599 inc VAT supply and fit

[@Rulon12]

If the engine is stock?

[@blackpanda7612]

Should still be done. This part has failed on stock and tuned engines.

[@raldyjimenez3319]

Curious if this is the root cause of the problem with Joe Achilles M2 engine problem🤔

[@thebingaling1105]

Pretty sure he downshifted into 2nd instead of 4th so could be.

[@gorkemmehmet3524]

Won’t need it unless your running over 550 hp Most stage 1 safe tunes can catback is plenty the car is already very fast for street driving stock.

[@DIRTYvinnieXD]

Typical torsional vibration issue, i can only think of 2 things. Increased power and launch control

[@chrisg4rr377]

A simple Woodruff would have been so simple

[@mumenmansour3058]

2018 M4 competition 75,000 KM Stock and I dont have the issue

[@EvolveAutomotive]

Yes staying stock it shouldn’t be an issue

[@fe1jx240.]

Why now? A bit late to the party no?

[@EvolveAutomotive]

Never too late to the party. These cars have many years left in them.

[@darrenboston342]

Really🤔…. Why’s that then🤔 These cars if maintained correctly last for thousands & thousands miles. This is a preventative measure to ensure this esp when running big BHP!👌

[@fe1jx240.]

Yeah I get that. I have an f80 myself which I plan on having for a very long time… Just thought someone like yourselves would of made this back when the problem first became a thing. Not 9 years after the f80s release.

[@EvolveAutomotive]

@@fe1jx240. So it would be better if we didn't make it all? I don't get the logic.

[@R03333]

@@EvolveAutomotive Keep making them because I might eventually have an M2Comp in another 9 years

[@chrisridebike8]

What a stupid, lazy OEM design. Great looking fix.

[@ETHENHOLLINGTON]

You work too fast man we need to learn your game

[@BoxInvader]

Who buys an m2 seriously, just be a man and get an m3

[@EvolveAutomotive]

M2 is more fun.

[@devon6993]

M2 is more compact with the same power, m3 is a boat. M2 is a true sports car

[@zeake13]

Some dumb engineering. Plastic fuel pumps, no dipsticks, worthless hubs. ugh. Why do I love BMWs. . . . . . .

[@elver__galarga2559]

Buy a Lexus instead and save yourself a small fortune.