EXXEL Distributions
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read

Go Back   BMW M3 and BMW M4 Forum > BMW F80 M3 / F82 M4 Technical Topics > Engine / Drivetrain / Exhaust / Bolt-ons / Tuning

View Poll Results: Ultimate S55 Spun Crank Hub Poll -- Please vote
2014-2015 | 6MT | Stock | No SCH 43 6.45%
2014-2015 | 6MT | Stock | SCH Failure 0 0%
2014-2015 | 6MT | Modified 450-500 whp | No SCH 23 3.45%
2014-2015 | 6MT | Modified 450-500 whp | SCH Failure 2 0.30%
2014-2015 | 6MT | Modified 500-550 whp | No SCH 11 1.65%
2014-2015 | 6MT | Modified 500-550 whp | SCH Failure 3 0.45%
2014-2015 | 6MT | Modified 550+ whp | No SCH 5 0.75%
2014-2015 | 6MT | Modified 550+ whp | SCH Failure 3 0.45%
2014-2015 | DCT | Stock | No SCH 75 11.24%
2014-2015 | DCT | Stock | SCH Failure 2 0.30%
2014-2015 | DCT | Modified 450-500 whp | No SCH 49 7.35%
2014-2015 | DCT | Modified 450-500 whp | SCH Failure 5 0.75%
2014-2015 | DCT | Modified 500-550 whp | No SCH 25 3.75%
2014-2015 | DCT | Modified 500-550 whp | SCH Failure 3 0.45%
2014-2015 | DCT | Modified 550+ whp | No SCH 13 1.95%
2014-2015 | DCT | Modified 550+ whp | SCH Failure 4 0.60%
2016 | 6MT | Stock | No SCH 27 4.05%
2016 | 6MT | Stock | SCH Failure 1 0.15%
2016 | 6MT | Modified 450-500 whp | No SCH 15 2.25%
2016 | 6MT | Modified 450-500 whp | SCH Failure 2 0.30%
2016 | 6MT | Modified 500-550 whp | No SCH 8 1.20%
2016 | 6MT | Modified 500-550 whp | SCH Failure 1 0.15%
2016 | 6MT | Modified 550+ whp | No SCH 0 0%
2016 | 6MT | Modified 550+ whp | SCH Failure 1 0.15%
2016 | 6MT Comp Package | Stock | No SCH 4 0.60%
2016 | 6MT Comp Package | Stock | SCH Failure 0 0%
2016 | 6MT Comp Package | Modified 450-500 whp | No SCH 0 0%
2016 | 6MT Comp Package | Modified 450-500 whp | SCH Failure 1 0.15%
2016 | 6MT Comp Package | Modified 500-550 whp | No SCH 0 0%
2016 | 6MT Comp Package | Modified 500-550 whp | SCH Failure 0 0%
2016 | 6MT Comp Package | Modified 550+ whp | No SCH 0 0%
2016 | 6MT Comp Package | Modified 550+ whp | SCH Failure 0 0%
2016 | DCT | Stock | No SCH 46 6.90%
2016 | DCT | Stock | SCH Failure 0 0%
2016 | DCT | Modified 450-500 whp | No SCH 16 2.40%
2016 | DCT | Modified 450-500 whp | SCH Failure 2 0.30%
2016 | DCT | Modified 500-550 whp | No SCH 14 2.10%
2016 | DCT | Modified 500-550 whp | SCH Failure 0 0%
2016 | DCT | Modified 550+ whp | No SCH 3 0.45%
2016 | DCT | Modified 550+ whp | SCH Failure 1 0.15%
2016 | DCT Comp Package | Stock | No SCH 9 1.35%
2016 | DCT Comp Package | Stock | SCH Failure 0 0%
2016 | DCT Comp Package | Modified 450-500 whp | No SCH 0 0%
2016 | DCT Comp Package | Modified 450-500 whp | SCH Failure 0 0%
2016 | DCT Comp Package | Modified 500-550 whp | No SCH 2 0.30%
2016 | DCT Comp Package | Modified 500-550 whp | SCH Failure 3 0.45%
2016 | DCT Comp Package | Modified 550+ whp | No SCH 3 0.45%
2016 | DCT Comp Package | Modified 550+ whp | SCH Failure 2 0.30%
2017 | 6MT | Stock | No SCH 4 0.60%
2017 | 6MT | Stock | SCH Failure 0 0%
2017 | 6MT | Modified 450-500 whp | No SCH 2 0.30%
2017 | 6MT | Modified 450-500 whp | SCH Failure 1 0.15%
2017 | 6MT | Modified 500-550 whp | No SCH 2 0.30%
2017 | 6MT | Modified 500-550 whp | SCH Failure 0 0%
2017 | 6MT | Modified 550+ whp | No SCH 1 0.15%
2017 | 6MT | Modified 550+ whp | SCH Failure 0 0%
2017 | 6MT Comp Package | Stock | No SCH 13 1.95%
2017 | 6MT Comp Package | Stock | SCH Failure 1 0.15%
2017 | 6MT Comp Package | Modified 450-500 whp | No SCH 2 0.30%
2017 | 6MT Comp Package | Modified 450-500 whp | SCH Failure 0 0%
2017 | 6MT Comp Package | Modified 500-550 whp | No SCH 1 0.15%
2017 | 6MT Comp Package | Modified 500-550 whp | SCH Failure 1 0.15%
2017 | 6MT Comp Package | Modified 550+ whp | No SCH 1 0.15%
2017 | 6MT Comp Package | Modified 550+ whp | SCH Failure 0 0%
2017 | DCT | Stock | No SCH 11 1.65%
2017 | DCT | Stock | SCH Failure 0 0%
2017 | DCT | Modified 450-500 whp | No SCH 2 0.30%
2017 | DCT | Modified 450-500 whp | SCH Failure 1 0.15%
2017 | DCT | Modified 500-550 whp | No SCH 5 0.75%
2017 | DCT | Modified 500-550 whp | SCH Failure 1 0.15%
2017 | DCT | Modified 550+ whp | No SCH 3 0.45%
2017 | DCT | Modified 550+ whp | SCH Failure 2 0.30%
2017 | DCT Comp Package | Stock | No SCH 15 2.25%
2017 | DCT Comp Package | Stock | SCH Failure 0 0%
2017 | DCT Comp Package | Modified 450-500 whp | No SCH 8 1.20%
2017 | DCT Comp Package | Modified 450-500 whp | SCH Failure 0 0%
2017 | DCT Comp Package | Modified 500-550 whp | No SCH 9 1.35%
2017 | DCT Comp Package | Modified 500-550 whp | SCH Failure 0 0%
2017 | DCT Comp Package | Modified 550+ whp | No SCH 5 0.75%
2017 | DCT Comp Package | Modified 550+ whp | SCH Failure 1 0.15%
2018+ | 6MT | Stock | No SCH 19 2.85%
2018+ | 6MT | Stock | SCH Failure 1 0.15%
2018+ | 6MT | Modified 450-500 whp | No SCH 2 0.30%
2018+ | 6MT | Modified 450-500 whp | SCH Failure 0 0%
2018+ | 6MT | Modified 500-550 whp | No SCH 1 0.15%
2018+ | 6MT | Modified 500-550 whp | SCH Failure 4 0.60%
2018+ | 6MT | Modified 550+ whp | No SCH 0 0%
2018+ | 6MT | Modified 550+ whp | SCH Failure 0 0%
2018+ | 6MT Comp Package | Stock | No SCH 29 4.35%
2018+ | 6MT Comp Package | Stock | SCH Failure 1 0.15%
2018+ | 6MT Comp Package | Modified 450-500 whp | No SCH 7 1.05%
2018+ | 6MT Comp Package | Modified 450-500 whp | SCH Failure 1 0.15%
2018+ | 6MT Comp Package | Modified 500-550 whp | No SCH 5 0.75%
2018+ | 6MT Comp Package | Modified 500-550 whp | SCH Failure 0 0%
2018+ | 6MT Comp Package | Modified 550+ whp | No SCH 3 0.45%
2018+ | 6MT Comp Package | Modified 550+ whp | SCH Failure 0 0%
2018+ | DCT | Stock | No SCH 19 2.85%
2018+ | DCT | Stock | SCH Failure 1 0.15%
2018+ | DCT | Modified 450-500 whp | No SCH 6 0.90%
2018+ | DCT | Modified 450-500 whp | SCH Failure) 0 0%
2018+ | DCT | Modified 500-550 whp | No SCH 1 0.15%
2018+ | DCT | Modified 500-550 whp | SCH Failure 2 0.30%
2018+ | DCT | Modified 550+ whp | No SCH 1 0.15%
2018+ | DCT | Modified 550+ whp | SCH Failure 1 0.15%
2018+ | DCT Comp Package | Stock | No SCH 34 5.10%
2018+ | DCT Comp Package | Stock | SCH Failure 3 0.45%
2018+ | DCT Comp Package | Modified 450-500 whp | No SCH 6 0.90%
2018+ | DCT Comp Package | Modified 450-500 whp | SCH Failure) 2 0.30%
2018+ | DCT Comp Package | Modified 500-550 whp | No SCH 9 1.35%
2018+ | DCT Comp Package | Modified 500-550 whp | SCH Failure 2 0.30%
2018+ | DCT Comp Package | Modified 550+ whp | No SCH 4 0.60%
2018+ | DCT Comp Package | Modified 550+ whp | SCH Failure 6 0.90%
Multiple Choice Poll. Voters: 667. You may not vote on this poll

Post Reply
 
Thread Tools Search this Thread
      03-08-2019, 11:33 AM   #111
Bmwlmr99
Second Lieutenant
Bmwlmr99's Avatar
115
Rep
251
Posts

Drives: Bmw m4
Join Date: Jul 2016
Location: Texas

iTrader: (0)

BMW m4 has one the 24hrs of dubai...google 24 hrs of dubai results and the 24 hrs of cota in nov, 2018.....
Appreciate 0
      03-11-2019, 09:28 AM   #112
Evren
Second Lieutenant
Evren's Avatar
Turkey
79
Rep
279
Posts

Drives: F82 M4 Coupe
Join Date: Apr 2017
Location: TURKEY

iTrader: (0)

Should i change sch part for bm3 stage1? what do you think? (2015 dct m4)
Appreciate 0
      03-11-2019, 09:52 AM   #113
G4BR13L
Major
G4BR13L's Avatar
Belgium
433
Rep
1,085
Posts

Drives: BMW M4
Join Date: Aug 2015
Location: Lummen (Belgium)

iTrader: (0)

Quote:
Originally Posted by Evren View Post
Should i change sch part for bm3 stage1? what do you think? (2015 dct m4)
I would change it because it is way cheaper than having to replace the entire engine for $25k or more.
I would install at least the Crank Bolt Capture from VTT because from what I have been reading this seems to resolve most of the issues but I am afraid that this will not resolve the issue with the slipping sprockets.

I have also a 2015 M4 DCT and I am afraid that we are going to have to replace the crank hub with a one piece crank hub (like the solution from Gintani). It seems that later production models (> December 2015) received a new bedplate design and friction plates but as it turns out this is not a solution either.

The Gintani kit is a relatively taken expensive solution because it is going to be very labour intensive. I am estimating a total cost of somewhere between $4,000 and $5,000.
For the Crank Bolt Capture from VTT I am estimating it would cost in total about $800 to $1,000.

Or offcourse another option is to not change anything and save you the money and deal with the costs later on when and if you will ever encounter damage caused by a spinning crank hub.

Last edited by G4BR13L; 03-11-2019 at 10:01 AM..
Appreciate 0
      03-11-2019, 10:03 AM   #114
Evren
Second Lieutenant
Evren's Avatar
Turkey
79
Rep
279
Posts

Drives: F82 M4 Coupe
Join Date: Apr 2017
Location: TURKEY

iTrader: (0)

Quote:
Originally Posted by G4BR13L View Post
I would change it because it is way cheaper than having to replace the entire engine for $25k or more.
I would install at least the Crank Bolt Capture from VTT because from what I have been reading this seems to resolve most of the issues but I am afraid that this will not resolve the issue with the slipping sprockets.

I have also a 2015 M4 DCT and I am afraid that we are going to have to replace the crank hub with a one piece crank hub (like the solution from Gintani). It seems that later production models (> December 2015) received a new bedplate design and friction plates but as it turns out this is not a solution either.

The Gintani kit is a relatively taken expensive solution because it is going to be very labour intensive. I am estimating a total cost of somewhere between $4,000 and $5,000.
For the Crank Bolt Capture from VTT I am estimating it would cost in total about $800 to $1,000.

Or offcourse another option is to not change anything and save you the money and deal with the costs later on when and if you will ever encounter damage caused by a spinning crank hub.
i totally agree with you.
we need to it under guarantee.
i want to load this tool also. the same with yout solution.thanks for the reply.Crank Bolt Capture from VTT
Appreciate 0
      03-13-2019, 06:04 PM   #115
Simmadown115
First Lieutenant
54
Rep
372
Posts

Drives: Her:14 ESII 335iM /Me:15 SS M3
Join Date: Feb 2012
Location: Salem, NH

iTrader: (1)

Analysis

Hi Everyone,

I noticed a trend but the poll does not help emphasize the SCH issue. See the picture attached for the results. The SCH has a less than 10% chance of happening if stock. IF the car does spin a SCH, the majority have all been on tunes. The stock SCHs are happening on majority of 6MT cars after 2016. The stock DCT does not have as much SCHs on ANY of the model years except 2018.

Therefore I would assume that the stock 6MTs having SCH are money shifts, and the higher odds of SCHs happening are tune related.

AGAIN, I know this is a small sample of being reported, but it is an easy analysis to run. IF we can get more votes and push people to answer these questions more often we can find a better correlation. All I see is that tunes are primary reasons for REPORTED failures.
Attached Images
 
Appreciate 0
      03-14-2019, 09:53 AM   #116
Proctor750
Lieutenant
384
Rep
514
Posts

Drives: E30 M3
Join Date: Aug 2018
Location: Hattie B's

iTrader: (0)

Quote:
Originally Posted by Simmadown115 View Post
Hi Everyone,

I noticed a trend but the poll does not help emphasize the SCH issue. See the picture attached for the results. The SCH has a less than 10% chance of happening if stock. IF the car does spin a SCH, the majority have all been on tunes. The stock SCHs are happening on majority of 6MT cars after 2016. The stock DCT does not have as much SCHs on ANY of the model years except 2018.

Therefore I would assume that the stock 6MTs having SCH are money shifts, and the higher odds of SCHs happening are tune related.

AGAIN, I know this is a small sample of being reported, but it is an easy analysis to run. IF we can get more votes and push people to answer these questions more often we can find a better correlation. All I see is that tunes are primary reasons for REPORTED failures.
What I would find even more interesting is what % of ALL SCH (regardless of tune/trans) caused piston/valve contact VS. those which only required hub replacement.
Perhaps those that voted can tell us.
Appreciate 0
      03-14-2019, 10:09 AM   #117
G4BR13L
Major
G4BR13L's Avatar
Belgium
433
Rep
1,085
Posts

Drives: BMW M4
Join Date: Aug 2015
Location: Lummen (Belgium)

iTrader: (0)

I am afraid that these numbers don't say anything about anything. For example for the 2014-2015 | 6MT | Stock model there were no reported issues but is it then okay to conclude that these cars are non-affected? Absolutely not, this just means that those that answered the poll had no issues. It says nothing more or less than that.

I have a 2014-2015 | DCT | Stock and from the poll there were 44 respondents with the same car and only 1 respondant had an issue. Does this mean there is a 2,27% change of having an issue? Does this mean that 1 out of every 44 F8x sold have this issue? No and No.

I hate playing the devils advocate but this numbers mean absolutely nothing.

It would be more interesting to know what the drivers were doing exactly when they had the issue. Was it a money shift? Where did redlining with the oil not yet on temperature? Were they just revving the engine to show off? Was it because of a kickdown with the DCT?

That more and more non-stock cars have this issue is somewhere normal I guess because BMW builds a car that can handle a specific power / torque within a specific set of parameters. You cannot possible expect to get more out of your engine without the necessary adjustments, maybe thus also including the crank hub.

That stock cars suffer from this I find peculiar and then I wonder what these drivers were doing. I cannot believe like some reported that it was just backing out from the garage. I call this B.S.
Appreciate 3
ntg44815.00
arashir30.00

      03-14-2019, 03:05 PM   #118
Simmadown115
First Lieutenant
54
Rep
372
Posts

Drives: Her:14 ESII 335iM /Me:15 SS M3
Join Date: Feb 2012
Location: Salem, NH

iTrader: (1)

Quote:
Originally Posted by G4BR13L View Post
I am afraid that these numbers don't say anything about anything. For example for the 2014-2015 | 6MT | Stock model there were no reported issues but is it then okay to conclude that these cars are non-affected? Absolutely not, this just means that those that answered the poll had no issues. It says nothing more or less than that.

I have a 2014-2015 | DCT | Stock and from the poll there were 44 respondents with the same car and only 1 respondant had an issue. Does this mean there is a 2,27% change of having an issue? Does this mean that 1 out of every 44 F8x sold have this issue? No and No.

I hate playing the devils advocate but this numbers mean absolutely nothing.

It would be more interesting to know what the drivers were doing exactly when they had the issue. Was it a money shift? Where did redlining with the oil not yet on temperature? Were they just revving the engine to show off? Was it because of a kickdown with the DCT?

That more and more non-stock cars have this issue is somewhere normal I guess because BMW builds a car that can handle a specific power / torque within a specific set of parameters. You cannot possible expect to get more out of your engine without the necessary adjustments, maybe thus also including the crank hub.

That stock cars suffer from this I find peculiar and then I wonder what these drivers were doing. I cannot believe like some reported that it was just backing out from the garage. I call this B.S.
I do agree that people are embarrassed to admit that they are hooning or mis shifting when they have a SCH. I think DCT kickdown is surely a possible thing to point to. My primary focus was to show that tuned cars were reported more than the stock cars. Almost 100% for some years.
Appreciate 0
      03-14-2019, 04:08 PM   #119
EvoFire
Private First Class
Canada
58
Rep
149
Posts

Drives: None
Join Date: Jun 2017
Location: Vancouver

iTrader: (0)

I'm curious now if BMW quietly put rev matching on all modes in 6MT cars for MY2018 to help mitigate some of this issue.

The consensus seems to be sudden RPM changes are causing SCH.
Appreciate 1
M 4 FUN106.00

      03-14-2019, 04:43 PM   #120
wrouse97
New Member
0
Rep
5
Posts

Drives: 2018 M4
Join Date: Jun 2018
Location: DFW, TX.

iTrader: (0)

Quote:
Originally Posted by EvoFire View Post
I'm curious now if BMW quietly put rev matching on all modes in 6MT cars for MY2018 to help mitigate some of this issue.

The consensus seems to be sudden RPM changes are causing SCH.
I have a 2018 M4 6MT and Sport+ does not have the rev matching . Wish it did though since I'm not all that good at heel/toe.
Appreciate 0
      03-14-2019, 04:58 PM   #121
EvoFire
Private First Class
Canada
58
Rep
149
Posts

Drives: None
Join Date: Jun 2017
Location: Vancouver

iTrader: (0)

Quote:
Originally Posted by wrouse97 View Post
I have a 2018 M4 6MT and Sport+ does not have the rev matching . Wish it did though since I'm not all that good at heel/toe.
I think it was cars produced after March 2018. Mine has rev matching in all modes and I went to get it coded off. It's convoluted to remove because it's not an option box that you check on and off.
Appreciate 0
      03-16-2019, 05:12 PM   #122
.2pdk
Banned
4058
Rep
1,970
Posts

Drives: M2 LCI
Join Date: Jan 2019
Location: .

iTrader: (0)

Quote:
Originally Posted by G4BR13L View Post
It would be more interesting to know what the drivers were doing exactly when they had the issue. Was it a money shift? Where did redlining with the oil not yet on temperature? Were they just revving the engine to show off? Was it because of a kickdown with the DCT?

That stock cars suffer from this I find peculiar and then I wonder what these drivers were doing. I cannot believe like some reported that it was just backing out from the garage. I call this B.S.
^This.

What was the predominant factor in stock cars that caused this would be helpful.

Backing out of the garage causing SCH = faulty part.

Luck of the draw does not instill confidence as I'm looking for an M2C...
Appreciate 0
      03-16-2019, 08:54 PM   #123
projectme
New Member
13
Rep
22
Posts

Drives: 2016 M4 6MT
Join Date: Apr 2017
Location: USA

iTrader: (0)

This poll is completely inaccurate. I've messaged several of the people that selected SCH failure (trying to get more info) and they said it was a mis-click. I also hit SCH failure by mistake and had no way to undo it after I realized what I had done. Just an FYI.
__________________
2016 M4, Sahkir Orange, 6 MT

Sold: '14 435i 6MT, Estoril Blue M-Sport, Akrapovic Exhaust, ER DP/CP/Intercooler, Injen Intake, JB4
Appreciate 3
Karmic Man1035.50
arashir30.00
Remonster422.50

      03-18-2019, 10:54 AM   #124
Simmadown115
First Lieutenant
54
Rep
372
Posts

Drives: Her:14 ESII 335iM /Me:15 SS M3
Join Date: Feb 2012
Location: Salem, NH

iTrader: (1)

Quote:
Originally Posted by projectme View Post
This poll is completely inaccurate. I've messaged several of the people that selected SCH failure (trying to get more info) and they said it was a mis-click. I also hit SCH failure by mistake and had no way to undo it after I realized what I had done. Just an FYI.
If that's the case then maybe moderators can change it?
Appreciate 0
      03-19-2019, 08:52 AM   #125
Karmic Man
Major
Karmic Man's Avatar
Australia
1036
Rep
1,111
Posts

Drives: M2C
Join Date: Aug 2013
Location: World

iTrader: (0)

Quote:
Originally Posted by projectme View Post
This poll is completely inaccurate. I've messaged several of the people that selected SCH failure (trying to get more info) and they said it was a mis-click. I also hit SCH failure by mistake and had no way to undo it after I realized what I had done. Just an FYI.
I also went and check on those people and some don't even own an S55 M3/M4 and the rest with SCH...most never reported a SCH in this forum...go figure!

I don't have faith in the accuracy of the poll results anymore
Appreciate 1
Remonster422.50

      03-19-2019, 12:17 PM   #126
climax_e92
Lieutenant
climax_e92's Avatar
United_States
128
Rep
544
Posts

Drives: E92
Join Date: Mar 2014
Location: Los Angeles 661

iTrader: (6)

Can i change my answer from no to yes? i just spun last night. 6mt MY2016 m4. e85 tune 24,700 miles.
__________________
16 F82 M4 Frequency Intelligent F1 Exhaust - VRSF downpipes - BBS CI-R custom finish - H&R Springs - Injen DCI intake - CG Precision Valve Controller - BootMod3 full E85 - Custom Roll Cage - Varis Diffuser - PSM GT Wing - V style Lip
https://www.instagram.com/m4_teh/
Appreciate 0
      03-19-2019, 05:34 PM   #127
nars3000
Colonel
United_States
1023
Rep
2,045
Posts

Drives: '16 M3, '17 M3 ZCP, '18 M3 ZCP
Join Date: Oct 2013
Location: "East" of Oakland, CA

iTrader: (23)

Quote:
Originally Posted by climax_e92 View Post
Can i change my answer from no to yes? i just spun last night. 6mt MY2016 m4. e85 tune 24,700 miles.
Sorry to hear that. You'll need to PM one of the moderators to update your selection.
Appreciate 0
      03-19-2019, 05:53 PM   #128
.2pdk
Banned
4058
Rep
1,970
Posts

Drives: M2 LCI
Join Date: Jan 2019
Location: .

iTrader: (0)

Quote:
Originally Posted by climax_e92 View Post
Can i change my answer from no to yes? i just spun last night. 6mt MY2016 m4. e85 tune 24,700 miles.
Kickdown, WOT, normal driving?
Appreciate 0
      03-20-2019, 06:37 PM   #129
climax_e92
Lieutenant
climax_e92's Avatar
United_States
128
Rep
544
Posts

Drives: E92
Join Date: Mar 2014
Location: Los Angeles 661

iTrader: (6)

Quote:
Originally Posted by .2pdk View Post
Quote:
Originally Posted by climax_e92 View Post
Can i change my answer from no to yes? i just spun last night. 6mt MY2016 m4. e85 tune 24,700 miles.
Kickdown, WOT, normal driving?
Friend was driving.... was logging 20 mins prior to it happening. actually happened around 50mph while cruising. here is my last log

http://www.bootmod3.net/log?id=5c905b90c090c66c2bac8323
__________________
16 F82 M4 Frequency Intelligent F1 Exhaust - VRSF downpipes - BBS CI-R custom finish - H&R Springs - Injen DCI intake - CG Precision Valve Controller - BootMod3 full E85 - Custom Roll Cage - Varis Diffuser - PSM GT Wing - V style Lip
https://www.instagram.com/m4_teh/
Appreciate 0
      03-20-2019, 06:39 PM   #130
climax_e92
Lieutenant
climax_e92's Avatar
United_States
128
Rep
544
Posts

Drives: E92
Join Date: Mar 2014
Location: Los Angeles 661

iTrader: (6)

My car honestly never hit redline. Always babied her since new. i just like the power..
__________________
16 F82 M4 Frequency Intelligent F1 Exhaust - VRSF downpipes - BBS CI-R custom finish - H&R Springs - Injen DCI intake - CG Precision Valve Controller - BootMod3 full E85 - Custom Roll Cage - Varis Diffuser - PSM GT Wing - V style Lip
https://www.instagram.com/m4_teh/
Appreciate 0
      03-21-2019, 12:11 AM   #131
nars3000
Colonel
United_States
1023
Rep
2,045
Posts

Drives: '16 M3, '17 M3 ZCP, '18 M3 ZCP
Join Date: Oct 2013
Location: "East" of Oakland, CA

iTrader: (23)

Quote:
Originally Posted by climax_e92 View Post
My car honestly never hit redline. Always babied her since new. i just like the power..
You were quite close to redline actually. See my reply to your thread here: https://f80.bimmerpost.com/forums/sh...2&postcount=30

Quote:
Peak boost is at 22 psi, so that's not what caused the SCH. For reference, I've had boost as high as 31 psi with full E85 and stock turbos. Currently, my max boost is set to 28 psi.

3rd gear peak RPM = 7,225
4th gear peak RPM = 7,358
6th gear top speed = 137 mph

Suffice to say, all of the above were unnecessary given that the stock turbo power curve tends to fade after 6,000 RPM. I've also debated the lack of need for 3rd gear log run with another member before. See posts 17-21 in the following thread: https://f80.bimmerpost.com/forums/sh...php?p=23636419

I'm going on 2 years strong (knock on wood) with 200+ combined log runs, 1/4 mile, and 1/2 mile passes. The only difference is I do my log runs at 2,000 RPM in 4th gear, then upshift to 5th at 6,2000 RPM.

What you described with what took place prior to the SCH is very similar to the last handful occurences that have been shared on BP.
Appreciate 0
      03-31-2019, 01:03 PM   #132
melvyn
Lieutenant
256
Rep
437
Posts

Drives: 2018 M3 CS
Join Date: Jun 2011
Location: isle of man

iTrader: (0)

What a crock of sh1t this thread is.
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 09:22 AM.




f80post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST