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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Any M2C with the CS tune yet?

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      10-19-2018, 10:54 AM   #45
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So how much would it cost to install the crank hub fix as a preventative maintenance item?
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      10-19-2018, 11:03 AM   #46
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Quote:
Originally Posted by chmura View Post
So how much would it cost to install the crank hub fix as a preventative maintenance item?
u should prob contact Tony@vargasturbotech or your local shop ?
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      10-19-2018, 11:12 AM   #47
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Quote:
Originally Posted by FSociety View Post
u should prob contact Tony@vargasturbotech or your local shop ?
I will not tune my M2c for a while so don't need to just yet.

Just curious whats involved with just a simple replacement of the crank hub with a perfectly good engine.
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      10-19-2018, 11:21 AM   #48
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Quote:
Originally Posted by Proctor750 View Post
I was aware of the boost/torque by gear but it looks like that only is an option with their stage 1 etc. tunes vs something like the CS tune.

What is the difference between their stage 1 and an ots cs tune? (parameters not functionality)
My ideal setup would be the cs tune coupled with the ability to manipulate torque delivery. Sounds like it's doable.
It's not only for stage 1. You can use it for their free maps as well (CS, GTS, etc.).
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      10-19-2018, 11:30 AM   #49
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Originally Posted by cntzl View Post
It's not only for stage 1. You can use it for their free maps as well (CS, GTS, etc.).
ah, thank you sir.
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      10-19-2018, 03:15 PM   #50
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Quote:
Originally Posted by hellrotm View Post
Notice it is a fix for N54, N55, and S55. It is a weak point for high hp builds with all those motors. Built motor builds finally have a solution to push 700whp+ comfortably.
I haven't seen a single crank hub issue with N55 on this forum even though it uses the same part as S55. On the other hand, if you check the F80 forum, you'll see there are people who experienced this issue with their bone stock S55 so it's not just high HP builds. Of course, the forum doesn't represent the whole picture and I'm sure the overall failure rate is very small but there is still a risk even with the stock engine.
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      10-20-2018, 10:38 PM   #51
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Quote:
Originally Posted by cntzl View Post
I haven't seen a single crank hub issue with N55 on this forum even though it uses the same part as S55.
Ask VTT, they have seen it on N54 and N55. Reason you don’t see it more often on the N55, that motor tends to shoot rods out the block on high hp builds. It simply won’t reach the power levels the S55 can. There are some past N54 and N55 threads with motors that have spun crank hub and jumped timing.

Quote:
Originally Posted by cntzl View Post
On the other hand, if you check the F80 forum, you'll see there are people who experienced this issue with their bone stock S55 so it's not just high HP builds. Of course, the forum doesn't represent the whole picture and I'm sure the overall failure rate is very small but there is still a risk even with the stock engine.
A whopping 4 members with stock tune answered a crank hub failure poll done on F80 forum. We are probably getting close to 100,000+ S55 units produced.

Last edited by hellrotm; 10-21-2018 at 04:31 PM..
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      11-12-2018, 08:03 PM   #52
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Called CS today. They will not have this available until New Years approximately. They are working on big power setups for M3/4s right now with Pure as the priority. The will have big power solutions for M2C approximately mid 19. He told me they are considering a system for which consumers could buy the tune and upgrade for full applied value of tune when they upgrade turbos in the future. Sounds like an addition 5k or so for turbos later. They are expecting around 550hp and 575tq on tune and north of 600 on turbo upgrade with much better response and improved upper end. These are all made for a stock upgrade. An additional stage is going to be made for engine builds that they also offer. I think I will pull the trigger on stage one tune and upgrade to the stage one turbos as the M2 is my daily. I think this maxes out my daily drivability.
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      11-13-2018, 12:38 AM   #53
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Quote:
Originally Posted by 808elise View Post
Called CS today. They will not have this available until New Years approximately. They are working on big power setups for M3/4s right now with Pure as the priority. The will have big power solutions for M2C approximately mid 19. He told me they are considering a system for which consumers could buy the tune and upgrade for full applied value of tune when they upgrade turbos in the future. Sounds like an addition 5k or so for turbos later. They are expecting around 550hp and 575tq on tune and north of 600 on turbo upgrade with much better response and improved upper end. These are all made for a stock upgrade. An additional stage is going to be made for engine builds that they also offer. I think I will pull the trigger on stage one tune and upgrade to the stage one turbos as the M2 is my daily. I think this maxes out my daily drivability.
The CS in the title is refering to the m3/m4 CS tune which can be flashed via bm3. Just to clarify.
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