Crank hub slipped and upgraded to pinned and keyed solution

Kossos · 02-23-2021, 07:16 AM

Car:
2016 6MT F82 with ~62k miles.
Never had a missed shift, money shift, or over-revved it.

Mods:
Been running the BM3 Stage 2 93oct OTS tune since March 2018 and no other performance mods

When:
Did a spirited pull from 70 to 120ish on the interstate then got a drivetrain malfunction and car went into limp mode. No knock or valves-on-piston sounds so I eased it the 3 miles home and pulled the codes.

Codes:
213601 Power Management, Quiescent current monitoring: quiescent current injury (Low battery from sitting without the battery tender on)

130104 VANOS intake: control error, camshaft clamps

120408 charge pressure control, shutdown: pressure build-locked

130F20 exhaust: angular offset to the crankshaft fl outside tolerance

Solution:
Ordered the SSR Performance Keyed 4 pin crank hub and had it installed at Argos European Car Care here in Jacksonville FL (Can't recommend these guys enough!) Shop was able to get everything installed and the car showed no signs of valve damage. One thing to note, the bolt that came with the kit broke when they were doing the final insanity torque pull that BMW says to do. So if you order the kit just get an OEM bolt as well. I think it was $25.

Cost:
Crank hub $1,200
Labor/parts $~2,600

Final thoughts:
As soon as I saw the "angular offset to the crankshaft fl outside tolerance" I knew it was a slipped crank-hub. Since the car didn't shut off and I didn't hear the pistons eat the valves I figured it didn't spin or slip that far.

Picked the car up yesterday and it's as good as new. Having the keyed crank hub in the car is such a mental relief. I knew I was taking a risk running a tune on the stock hub. I also know there are plenty of cars running modded with a stock hub and are doing fine but they're also risking it. I really enjoy my M4 and plan on keeping it for a number of years longer so it was worth the investment and it has opened me up to E85.

So needless to say I dodged a MAJOR bullet. Hope this info helps and I added some bonus pics of the installed hub.

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hC1001 · 02-23-2021, 08:37 AM

Glad everything worked out for you in the end. You got very lucky that you only needed to retime the engine and adding the pinned crankhub while they were in there. Now you dont have to worry and you are open to adding more power without the fear of the crankhub.

Thanks for the detailed info on the car and situation. Do you estimate you were on the stage 2 tune for ~30K miles before it slipped?

SteveChester · 02-23-2021, 09:25 AM

That's my next mod - just a shame it's such a PITA to install it!!!

Kossos · 02-23-2021, 10:09 AM

Quote:

Originally Posted by hC1001

Glad everything worked out for you in the end. You got very lucky that you only needed to retime the engine and adding the pinned crankhub while they were in there. Now you dont have to worry and you are open to adding more power without the fear of the crankhub.

Thanks for the detailed info on the car and situation. Do you estimate you were on the stage 2 tune for ~30K miles before it slipped?

Figured I'd throw as much info out as I could to help folks make an educated decision on upgrading. I've been tuned almost 40k but haven't really driven the car "that" hard. I've done some pretty hard pulls and embarrassed a few SRT and Mustang boys on the interstate but no drag strips or anything.

From all the research I've done it's super random but if your number comes up it can turn into a really bad day. The shop owner that did mine said he's seen a few fail bad. One spun on the dyno at like 6,500rpm and destroyed the engine.

Kossos · 02-23-2021, 10:15 AM

Quote:

Originally Posted by SteveChester

That's my next mod - just a shame it's such a PITA to install it!!!

It's a crazy amount of work to do. Even the shop owner was glad it was over. BMW is good about making simple things difficult haha.

jpy1980 · 02-23-2021, 01:21 PM

Wow! Thanks for the photos! I think these are the most detailed photos of the actual drilled holes I've seen.

jpy1980 · 02-23-2021, 01:23 PM

Quick Q. Is it normal to have one side of the holes thinner than the other? maybe SSR Performance can chime in?

bmwmdistrict · 02-23-2021, 01:50 PM

Great write up and pictures. Great info for the community to learn from. I got to be honest the crank hub issue is exactly what is stopping me from running a tune. It just seems like a ticking time bomb at that point.

hC1001 · 02-23-2021, 02:54 PM

Quote:

Originally Posted by jpy1980

Quick Q. Is it normal to have one side of the holes thinner than the other? maybe SSR Performance can chime in?

Most likely. It looks pretty centered to me. The ssr crankhub kit comes with an alignment fixture that you bolt on. It has holes where you are suppose to drill.

horsepower_and_hounds · 02-23-2021, 04:40 PM

Quote:

Originally Posted by jpy1980

Quick Q. Is it normal to have one side of the holes thinner than the other? maybe SSR Performance can chime in?

It's just the lighting and photo angle.....

jpy1980 · 02-23-2021, 05:48 PM

Quote:

Originally Posted by horsepower_and_hounds

It's just the lighting and photo angle.....

Got it. To the OP, I also suggest picking up a CBC just in case to make it the most bulletproof fix!

I'm sure the 4 pin method is safe but shit can happen. Reference this thread: https://f80.bimmerpost.com/forums/sh....php?t=1754512

TopJimmy · 02-23-2021, 07:59 PM

Yep, get a CBC on it, just so that big bolt never backs out. That's the "full solution"... and then you're good until you get up into bent rod or slipped clutch(es) power levels (>650-700TQ).

Kossos · 02-24-2021, 06:51 AM

Quote:

Originally Posted by bsm.m4

Great write up and pictures. Great info for the community to learn from. I got to be honest the crank hub issue is exactly what is stopping me from running a tune. It just seems like a ticking time bomb at that point.

100% The feeling of "what if" was always in the the back of my head. The thing that I have learned the most from years of reading these posts and then it happening to myself is the complete randomness of it. Bone stock cars with 10k spin and eat the engine and then you have guys who have been running E85 and drag racing with no issues. I feel so much more confident now that it's pinned.

Kossos · 02-24-2021, 06:59 AM

Quote:

Originally Posted by TopJimmy

Yep, get a CBC on it, just so that big bolt never backs out. That's the "full solution"... and then you're good until you get up into bent rod or slipped clutch(es) power levels (>650-700TQ).

Found the Vargas VTT CBC kit yesterday on-sale for $89 and ordered it. And you're totally right. Now I can worry about to breaking normal things like half-shafts.

Kossos · 02-24-2021, 07:00 AM

Quote:

Originally Posted by jpy1980

Got it. To the OP, I also suggest picking up a CBC just in case to make it the most bulletproof fix!

I'm sure the 4 pin method is safe but shit can happen. Reference this thread: https://f80.bimmerpost.com/forums/sh....php?t=1754512

Yup, exactly what they said. It was just the angle of the photo.

Got a Vargas VTT kit in the mail as we speak.

horsepower_and_hounds · 02-24-2021, 08:16 AM

Quote:

Originally Posted by Kossos

100% The feeling of "what if" was always in the the back of my head. The thing that I have learned the most from years of reading these posts and then it happening to myself is the complete randomness of it. Bone stock cars with 10k spin and eat the engine and then you have guys who have been running E85 and drag racing with no issues. I feel so much more confident now that it's pinned.

Yea....my first M4 was a late build 2015 and I beat on it all the time doing pulls running a JB4 on map 7 and E40. Never once thought of a slip...hell never even heard of it back then. Then I left the S55 platform for a couple years and now am back with a early build 2015 and that is all you hear about. I'm like WTF....

Jonzny · 02-24-2021, 09:52 AM

Quote:

Originally Posted by Kossos

Found the Vargas VTT CBC kit yesterday on-sale for $89 and ordered it. And you're totally right. Now I can worry about to breaking normal things like half-shafts.

link?

Kossos · 02-24-2021, 01:47 PM

Quote:

Originally Posted by Jonzny

link?

https://x-ph.com/vargas-vtt-s55-n55-crank-bolt-capture/

Kossos · 02-24-2021, 02:03 PM

Quote:

Originally Posted by horsepower_and_hounds

Yea....my first M4 was a late build 2015 and I beat on it all the time doing pulls running a JB4 on map 7 and E40. Never once thought of a slip...hell never even heard of it back then. Then I left the S55 platform for a couple years and now am back with a early build 2015 and that is all you hear about. I'm like WTF....

Mines an early MY16 and the crank hub stuff was just coming to light when I took delivery in Jan 2016 but no solutions. The changed the friction disks and bed plates helped but folks are still spinning them. If you're going to tune then it's a must have in my book.

matty088 · 02-25-2021, 07:15 AM

thats a good price. around here its 4000 for total solution. wish i could just install cbc.

horsepower_and_hounds · 02-25-2021, 08:57 AM

Quote:

Originally Posted by Kossos

https://x-ph.com/vargas-vtt-s55-n55-crank-bolt-capture/

I bought this a year ago...been to lazy to install it. But I am only running the clone GTS tune. I love that thing

02-23-2021, 07:16 AM	#1
Kossos I want to belive 146 Rep 194 Posts Drives: Unicorn Join Date: Dec 2015 Location: NE Florida iTrader: (0)	Crank hub slipped and upgraded to pinned and keyed solution Car: 2016 6MT F82 with ~62k miles. Never had a missed shift, money shift, or over-revved it. Mods: Been running the BM3 Stage 2 93oct OTS tune since March 2018 and no other performance mods When: Did a spirited pull from 70 to 120ish on the interstate then got a drivetrain malfunction and car went into limp mode. No knock or valves-on-piston sounds so I eased it the 3 miles home and pulled the codes. Codes: 213601 Power Management, Quiescent current monitoring: quiescent current injury (Low battery from sitting without the battery tender on) 130104 VANOS intake: control error, camshaft clamps 120408 charge pressure control, shutdown: pressure build-locked 130F20 exhaust: angular offset to the crankshaft fl outside tolerance Solution: Ordered the SSR Performance Keyed 4 pin crank hub and had it installed at Argos European Car Care here in Jacksonville FL (Can't recommend these guys enough!) Shop was able to get everything installed and the car showed no signs of valve damage. One thing to note, the bolt that came with the kit broke when they were doing the final insanity torque pull that BMW says to do. So if you order the kit just get an OEM bolt as well. I think it was $25. Cost: Crank hub $1,200 Labor/parts $~2,600 Final thoughts: As soon as I saw the "angular offset to the crankshaft fl outside tolerance" I knew it was a slipped crank-hub. Since the car didn't shut off and I didn't hear the pistons eat the valves I figured it didn't spin or slip that far. Picked the car up yesterday and it's as good as new. Having the keyed crank hub in the car is such a mental relief. I knew I was taking a risk running a tune on the stock hub. I also know there are plenty of cars running modded with a stock hub and are doing fine but they're also risking it. I really enjoy my M4 and plan on keeping it for a number of years longer so it was worth the investment and it has opened me up to E85. So needless to say I dodged a MAJOR bullet. Hope this info helps and I added some bonus pics of the installed hub. __________________ 2016 AW F82 6MT 1996 Black 318ti M Sport (R.I.P.)
	Appreciate 6 irunalot1518.00 agentrnge379.00 bmwmdistrict908.00 TopJimmy5449.50 Redacre367.50 SCS55291.00 Tweet Quote

02-23-2021, 08:37 AM	#2
hC1001 Captain 591 Rep 986 Posts Drives: E36 M3, F80 M3 Join Date: Nov 2019 Location: Brooklyn, NY iTrader: (4)	Glad everything worked out for you in the end. You got very lucky that you only needed to retime the engine and adding the pinned crankhub while they were in there. Now you dont have to worry and you are open to adding more power without the fear of the crankhub. Thanks for the detailed info on the car and situation. Do you estimate you were on the stage 2 tune for ~30K miles before it slipped?
	Appreciate 0 Quote

02-23-2021, 09:25 AM	#3
SteveChester Brigadier General 2472 Rep 4,653 Posts Drives: F82 M4 Join Date: Oct 2009 Location: Chester iTrader: (0) Garage List 2014 BMW F82 M4 [0.00]	That's my next mod - just a shame it's such a PITA to install it!!! __________________ Steve Roberts UK F82 M4 I'm running the 2024 London Marathon for the British Forces Foundation - https://www.justgiving.com/fundraising/sr5/
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02-23-2021, 01:21 PM	#6
jpy1980 Lieutenant Colonel 1582 Rep 1,976 Posts Drives: 2015 BMW M3 -Smurfy Blue Vinyl Join Date: Sep 2018 Location: Los Angeles iTrader: (3)	Wow! Thanks for the photos! I think these are the most detailed photos of the actual drilled holes I've seen.
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02-23-2021, 01:23 PM	#7
jpy1980 Lieutenant Colonel 1582 Rep 1,976 Posts Drives: 2015 BMW M3 -Smurfy Blue Vinyl Join Date: Sep 2018 Location: Los Angeles iTrader: (3)	Quick Q. Is it normal to have one side of the holes thinner than the other? maybe SSR Performance can chime in?
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02-23-2021, 01:50 PM	#8
bmwmdistrict Major 908 Rep 1,044 Posts Drives: 2020 X3M Join Date: Nov 2018 Location: NoVa iTrader: (10) Garage List 2020 BMW X3MC [10.00]	Great write up and pictures. Great info for the community to learn from. I got to be honest the crank hub issue is exactly what is stopping me from running a tune. It just seems like a ticking time bomb at that point. __________________ Rob \| instagram 2020 F97 X3 ///M Donington Grey 2018 G01 X3 xDrive30i Alpine White Previous: 2016 F82 ///M4 Black Sapphire Metallic \| My Build Thread
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02-23-2021, 07:59 PM	#12
TopJimmy Major General 5450 Rep 5,143 Posts Drives: 2023 M3 Comp xDrive Join Date: Jul 2019 Location: Chester County, PA iTrader: (5)	Yep, get a CBC on it, just so that big bolt never backs out. That's the "full solution"... and then you're good until you get up into bent rod or slipped clutch(es) power levels (>650-700TQ). __________________ '18 F80 Base 6MT \| '19 F82 Exec DCT \| '18 F82 Comp Exec DCT \| '23 G80cx
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02-25-2021, 07:15 AM	#20
matty088 Major 362 Rep 1,206 Posts Drives: 335i Join Date: Jan 2012 Location: Ct iTrader: (1)	thats a good price. around here its 4000 for total solution. wish i could just install cbc.
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