bimmerpost/
BMW M2 and 2-Series Coupe
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
home
BMW M2 Forums 2023+ (G87) Engine, Exhaust, Drivetrain, Tuning Modifications

Post Reply
 
Thread Tools Search this Thread
      05-20-2024, 10:43 PM   #1
Geighty7
Major
Geighty7's Avatar
United_States
2780
Rep
1,267
Posts

Drives: 2024 BMW M2
Join Date: Sep 2023
Location: US

iTrader: (0)

Tune Help! Proper advice needed.

Okay so I’m POSSIBLY planning on tuning sometime this winter and would love to gather information on everything and anything.

I plan on doing ALL the right steps. What I mean by that is- cooling/dp’s/manifold/clutch and turbo (if need be).

What I’m looking for: I have a 6MT I love. I love everything about this car. The sound, the feel, everything.

HOWEVER: I would love to make her a track demon.

What im looking for: 550-600hp (give or take) track weapon. I will never drag race this baby, but I’d love to be a missile on track days and roll races on occasion in Mexico. Throttle response and aggressive torque is a necessity.

I need something RELIABLE though. I want to warm her up and drive to the grocery store whenever I need in 5 years down the road.

What I mean by this is, I don’t want anything “blowing up” or “not working”. Hence why I want to do ALL the right moves. I want to emphasize the word “Reliable”. I can’t sit at a red light wondering why I’m not moving while I finick with the OBD and tune app. This thing needs to be dialed, else I’ll just keep stock and enjoy.

What I have so far performance wise:
1. Milltek Catback non res (I love this system)
2. H&R VTF (might opt in for a full suspension upgrade when the time comes.
3. CDV Delete (this Friday)
4. New clutch stop (this Friday)
5. BBS LM wheels 20’ all around 285 front 305 rear
6. BMC air filters

Going on soon:
-Millway Monoball bushing for front.
-Camber plates
-Rogue short throw shifter

What I’m looking for:
Advice on the best type of tunes (unlock, femto, piggyback, etc.) I know minimal with tunes, however I do know the right route may be a full unlock.

I would love some input on the best tuners out. I know Carbahn stage 2 and Tom Wriggly are top of my list.

I’ll likely opt in for Fabspeed S58 3” catted downs. After that, I’m open to anything else.

Any input is appreciated. I want to build the most reliable 6MT track hunter around whilst keeping it twin turbo (single is not an option).

I want this baby to grip and rip through any and all turns on track (no auto-cross) and gap worthy opponents on Sunday cruises (in Mexico)
Appreciate 0
      05-20-2024, 11:07 PM   #2
M_Power Rob
Brigadier General
4829
Rep
3,862
Posts

Drives: '23 M240 and '23 M2
Join Date: Jan 2023
Location: South Florida

iTrader: (0)

Quote:
Originally Posted by Geighty7 View Post
Okay so I’m POSSIBLY planning on tuning sometime this winter and would love to gather information on everything and anything.

I plan on doing ALL the right steps. What I mean by that is- cooling/dp’s/manifold/clutch and turbo (if need be).

What I’m looking for: I have a 6MT I love. I love everything about this car. The sound, the feel, everything.

HOWEVER: I would love to make her a track demon.

What im looking for: 550-600hp (give or take) track weapon. I will never drag race this baby, but I’d love to be a missile on track days and roll races on occasion in Mexico. Throttle response and aggressive torque is a necessity.

I need something RELIABLE though. I want to warm her up and drive to the grocery store whenever I need in 5 years down the road.

What I mean by this is, I don’t want anything “blowing up” or “not working”. Hence why I want to do ALL the right moves. I want to emphasize the word “Reliable”. I can’t sit at a red light wondering why I’m not moving while I finick with the OBD and tune app. This thing needs to be dialed, else I’ll just keep stock and enjoy.

What I have so far performance wise:
1. Milltek Catback non res (I love this system)
2. H&R VTF (might opt in for a full suspension upgrade when the time comes.
3. CDV Delete (this Friday)
4. New clutch stop (this Friday)
5. BBS LM wheels 20’ all around 285 front 305 rear
6. BMC air filters

Going on soon:
-Millway Monoball bushing for front.
-Camber plates
-Rogue short throw shifter

What I’m looking for:
Advice on the best type of tunes (unlock, femto, piggyback, etc.) I know minimal with tunes, however I do know the right route may be a full unlock.

I would love some input on the best tuners out. I know Carbahn stage 2 and Tom Wriggly are top of my list.

I’ll likely opt in for Fabspeed S58 3” catted downs. After that, I’m open to anything else.

Any input is appreciated. I want to build the most reliable 6MT track hunter around whilst keeping it twin turbo (single is not an option).

I want this baby to grip and rip through any and all turns on track (no auto-cross) and gap worthy opponents on Sunday cruises (in Mexico)


Based on your specs and setup, you should target a Stage 2 tune. You don't need to worry about a manifold or big turbo (that is for big power, over 700whp).

My opinion, femto unlock and custom tune (Stage 4 or Mike Botti, depending on your contacts...I get put you in touch with someone for Stage 4 to tune).

For best protection, to go along with your dps and exhaust, you should add the following:
- Heat exchanger (Carbahn or Wagner)
- oil cooler (CSF)
- Heat range colder plugs
- *optional* charge pipes (hot and cold side) note - I have not been provided with sufficient evidence that these would be a true requirement for Stage 2 tune.

You can get away with the BMC drop in or for true upgrade, the Eventuri (especially with a custom tune).
Appreciate 1
Geighty72779.50
      05-20-2024, 11:19 PM   #3
Geighty7
Major
Geighty7's Avatar
United_States
2780
Rep
1,267
Posts

Drives: 2024 BMW M2
Join Date: Sep 2023
Location: US

iTrader: (0)

Quote:
Originally Posted by M_Power Rob View Post
Based on your specs and setup, you should target a Stage 2 tune. You don't need to worry about a manifold or big turbo (that is for big power, over 700whp).

My opinion, femto unlock and custom tune (Stage 4 or Mike Botti, depending on your contacts...I get put you in touch with someone for Stage 4 to tune).

For best protection, to go along with your dps and exhaust, you should add the following:
- Heat exchanger (Carbahn or Wagner)
- oil cooler (CSF)
- Heat range colder plugs
- *optional* charge pipes (hot and cold side) note - I have not been provided with sufficient evidence that these would be a true requirement for Stage 2 tune.

You can get away with the BMC drop in or for true upgrade, the Eventuri (especially with a custom tune).
Input greatly appreciated here. Exactly type of advice I’m looking for.

What do you recommend between Stage 4 and Mike Botti?
Appreciate 0
      05-20-2024, 11:33 PM   #4
M_Power Rob
Brigadier General
4829
Rep
3,862
Posts

Drives: '23 M240 and '23 M2
Join Date: Jan 2023
Location: South Florida

iTrader: (0)

Quote:
Originally Posted by Geighty7 View Post
Input greatly appreciated here. Exactly type of advice I’m looking for.

What do you recommend between Stage 4 and Mike Botti?

I wouldn't recommend anyone I wouldn't let touch my car. My builder has a relationship with Stage 4 and they are very good (I obviouslywent this routefir the connectionandextra care). Likewise, cannot say anything bad in any way with a Mike Botti tune. You will need someone in your area that can work with them to tune remotely or pay the cost to have them come to you (unless you want to go to them).
Appreciate 1
Geighty72779.50
      05-20-2024, 11:38 PM   #5
Geighty7
Major
Geighty7's Avatar
United_States
2780
Rep
1,267
Posts

Drives: 2024 BMW M2
Join Date: Sep 2023
Location: US

iTrader: (0)

Quote:
Originally Posted by M_Power Rob View Post
I wouldn't recommend anyone I wouldn't let touch my car. My builder has a relationship with Stage 4 and they are very good (I obviouslywent this routefir the connectionandextra care). Likewise, cannot say anything bad in any way with a Mike Botti tune. You will need someone in your area that can work with them to tune remotely or pay the cost to have them come to you (unless you want to go to them).
I’ll for sure do some more digging online on stage 4 and Mike. My goal is to find a reputable tuner like ones you listed and have them work with me. EAS is my go to shop all things mechanical so I assume all shall be well there.

I’ll bring up both of those tuners to them Friday when I do my CDV delete.
Appreciate 0
      05-21-2024, 12:14 AM   #6
aerobod
Car Geek
aerobod's Avatar
Canada
4373
Rep
4,003
Posts

Drives: Caterham R500, M2-G87, Macan S
Join Date: Mar 2008
Location: Calgary

iTrader: (0)

Quote:
Originally Posted by Geighty7 View Post
I’ll for sure do some more digging online on stage 4 and Mike. My goal is to find a reputable tuner like ones you listed and have them work with me. EAS is my go to shop all things mechanical so I assume all shall be well there.

I’ll bring up both of those tuners to them Friday when I do my CDV delete.
I would budget on 8 hours of dyno time to optimize the tune, not sure what the cost is in your area, but could be in the region of $200-250 per hour. I just did this for a custom tune on my Caterham and it is difficult to cover all the relevant load and throttle sites and any driveability optimization without a full day of tuning.

It is also worth ensuring you can compare wideband Lambda / AFR values from your car O2 sensors to the dyno operator sensor(s), as back flow in the exhaust can cause offset readings (especially at both low and high load conditions), if they can’t get the probe well up inside the exhaust due to bends close to the tailpipe.
Appreciate 0
      05-21-2024, 01:05 AM   #7
M_Power Rob
Brigadier General
4829
Rep
3,862
Posts

Drives: '23 M240 and '23 M2
Join Date: Jan 2023
Location: South Florida

iTrader: (0)

Quote:
Originally Posted by aerobod View Post
I would budget on 8 hours of dyno time to optimize the tune, not sure what the cost is in your area, but could be in the region of $200-250 per hour. I just did this for a custom tune on my Caterham and it is difficult to cover all the relevant load and throttle sites and any driveability optimization without a full day of tuning.

It is also worth ensuring you can compare wideband Lambda / AFR values from your car O2 sensors to the dyno operator sensor(s), as back flow in the exhaust can cause offset readings (especially at both low and high load conditions), if they can’t get the probe well up inside the exhaust due to bends close to the tailpipe.

I am not saying you dont know what you are talking about but I also wouldn't compare your tuning of the Caterham to that of the G8X S58 platform. The G8X S58 platform has been commonly tuned now in the States and the better known tuners know exactly what they are doing and how to adjust for each application.
Appreciate 0
      05-21-2024, 01:25 AM   #8
aerobod
Car Geek
aerobod's Avatar
Canada
4373
Rep
4,003
Posts

Drives: Caterham R500, M2-G87, Macan S
Join Date: Mar 2008
Location: Calgary

iTrader: (0)

Quote:
Originally Posted by M_Power Rob View Post
I am not saying you dont know what you are talking about but I also wouldn't compare your tuning of the Caterham to that of the G8X S58 platform. The G8X S58 platform has been commonly tuned now in the States and the better known tuners know exactly what they are doing and how to adjust for each application.
It depends on how optimized a given engine needs to be. There is plenty of info on the Caterham tuning from the many tuners in the UK and the core Duratec is used in about 10 million vehicles worldwide, it isn’t an unknown quantity. Half of the tuning time was spent making slight Lambda adjustments to get the flattest and most optimized open-loop fuelling values I’ve seen, I wanted them within 2% of optimum across the whole full-throttle rev range.

Due to manufacturing tolerances and differences in tuning parts on a given car, a couple of degrees of timing can make a difference, so 10 or more runs to optimize timing, 20 for the high load sites and another 20 for low load and driveability tuning could be needed. Getting 80% of the way there could be done in a couple of hours, but I believe in checking the plugs after timing reaches the point that power doesn’t increase any more to check for any sign of pre-ignition, so that adds to the tuning time.
Appreciate 0
      07-25-2024, 09:22 PM   #9
MASHCT
Captain
MASHCT's Avatar
United_States
1419
Rep
932
Posts

Drives: 2024 BMW M2 BSM
Join Date: Feb 2016
Location: Bloomfield, CT

iTrader: (1)

Quote:
Originally Posted by Geighty7 View Post
Okay so I’m POSSIBLY planning on tuning sometime this winter and would love to gather information on everything and anything.

I plan on doing ALL the right steps. What I mean by that is- cooling/dp’s/manifold/clutch and turbo (if need be).

What I’m looking for: I have a 6MT I love. I love everything about this car. The sound, the feel, everything.

HOWEVER: I would love to make her a track demon.

What im looking for: 550-600hp (give or take) track weapon. I will never drag race this baby, but I’d love to be a missile on track days and roll races on occasion in Mexico. Throttle response and aggressive torque is a necessity.

I need something RELIABLE though. I want to warm her up and drive to the grocery store whenever I need in 5 years down the road.

What I mean by this is, I don’t want anything “blowing up” or “not working”. Hence why I want to do ALL the right moves. I want to emphasize the word “Reliable”. I can’t sit at a red light wondering why I’m not moving while I finick with the OBD and tune app. This thing needs to be dialed, else I’ll just keep stock and enjoy.

What I have so far performance wise:
1. Milltek Catback non res (I love this system)
2. H&R VTF (might opt in for a full suspension upgrade when the time comes.
3. CDV Delete (this Friday)
4. New clutch stop (this Friday)
5. BBS LM wheels 20’ all around 285 front 305 rear
6. BMC air filters

Going on soon:
-Millway Monoball bushing for front.
-Camber plates
-Rogue short throw shifter

What I’m looking for:
Advice on the best type of tunes (unlock, femto, piggyback, etc.) I know minimal with tunes, however I do know the right route may be a full unlock.

I would love some input on the best tuners out. I know Carbahn stage 2 and Tom Wriggly are top of my list.

I’ll likely opt in for Fabspeed S58 3” catted downs. After that, I’m open to anything else.

Any input is appreciated. I want to build the most reliable 6MT track hunter around whilst keeping it twin turbo (single is not an option).

I want this baby to grip and rip through any and all turns on track (no auto-cross) and gap worthy opponents on Sunday cruises (in Mexico)
Hey man. Was wondering if you did the CDV delete & if you can provide any feedback on the results. Also any tips/tricks on removal, or it's pretty easy?

By the way, any chance you know a guy named Chris Ha####r?
__________________
2024 M2 | BSM | 6SPD | Port-Installed M Perf HAS | MAD Axle-back Exhaust | MAD CAI with blue filters | Dinan Midpipe | Richland Forged RF-GT3R Wheels Brushed Competition Gold & machined face | AudioControl D-6.1200 Amp & DSP | CDT Audio ES Gold Fronts & Rear | Morel BMW-Specific Subwoofers | Lots of neat interior upgrades!
Appreciate 1
middyM129.00
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 05:09 PM.




g87
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, 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