[salraf]

I am narrowing down between these two mods. I know that they are very different in execution. I was hoping for some feedback from members.

thanks

[AngryInch]

A real tune, 100%. Piggy back is only good for trying to hustle and keep your warranty.

[pbonsalb]

About the best from JB4 is 10.3 at 136 mph, with just filters and race gas, but stock downpipes. The record for a tune is about 9.9 at 144 mph, with intake, downpipes, race gas, trans tune. Both are outliers—not many in the category. Add a few tenths and drop a few mph and the results are more obtainable.

[AngryInch]

I think mcc420 did 9.7 or 9.8… on the track too. Stock engine and turbos

[mike@x-ph.com]

The Race chip is a reliable piggyback with good power. Im using it on my M4 Comp, and I'm pleased with it.

That said. If Bootmod3 is an option, I'd go that route. A real flash offers more than a simple piggy with a smoother power delivery.

[salraf]

Originally Posted by mike@x-ph.com

The Race chip is a reliable piggyback with good power. Im using it on my M4 Comp, and I'm pleased with it.

That said. If Bootmod3 is an option, I'd go that route. A real flash offers more than a simple piggy with a smoother power delivery.

Hi Mike,
I see that you are with x-ph. Pease elaborate more on what BM3 offers

thanks

[mike@x-ph.com]

Originally Posted by salraf

Hi Mike,
I see that you are with x-ph. Pease elaborate more on what BM3 offers

thanks

Cloud-based solution with a web-based interface and mobile apps for iOS and Android. Developed and tested in-house from the ground up over the course of almost 2 years prior to its November 2016 debut with new features and updates being added regularly makes the bootmod3 platform a custom BMW factory DME tuning solution like no other on the market today.

Build the ultimate tune for your S63tu4 powered vehicle and go from stock to full race calibration, and everywhere in between, with a map switch in the provided mobile app. bootmod3 calibrates the factory vehicle modules over the OBD port in a matter of minutes in the convenience of your driveway or anywhere internet access is available.

Stage 1 91 octane: up to 11%HP / 18%TQ
Stage 1 93 octane: up to 13%HP / 19%TQ
Stage 1 E30 octane: up to 19%HP / 26%TQ
Stage 2 91 octane: up to 15%HP / 22%TQ
Stage 2 93 octane: up to 18%HP / 24%TQ
Stage 2 E30 octane: up to 24%HP / 34%TQ
Stage 2 AGG (Aggressive burble) versions of maps also available.

bootmod3 app and cloud services offer many unique features not found in any other flash tune including and currently available:

Mobile app (iOS and Android) and Web (http://www.bootmod3.net) including Windows and macOS support
One OTS map/tune included with the purchase and any other maps labeled as "FREE"
Datalogging hundreds of diagnostic channels, up to 70+ channels concurrently with the highest throughput and sample rates available
Datalog sharing and charting without a need to upload to 3rd party websites or apps using the mobile app or web browser
Cloud-based storage for map data and datalogs
Ability to log any internal RAM variable values with a number of preset ones available
Reverting back to stock performance map and re-locking the DME to stock programming
Live Dash - realtime vehicle parameter monitoring via in-app gauges
Diagnostics
Read and clear trouble codes in all vehicle modules
Reset learned adaptations (octane, knock, Valvetronic, etc)
ECU power reset
(Optional) Off the shelf (OTS) tunes for 91/93/Race gas/E85 octane (SEE HERE)
(Optional) Custom tuning available through tuners in the bootmod3 Tuner Directory. bootmod3 contains a full map editor so you can tune your car yourself or with your local tuner of choice as well.

Some of the OTS and possible aftermarket turbo upgrade custom map features provided by the bootmod3 platform:

Map Customization through Map Editor
Max Cooling Mode
Cold start (cat heating on startup) removal for quieter cold start
Cat efficiency check (CEL) removal for de-cat downpipes (for off-road use)
Exhaust Flap Adjustments (Sport Mode)
Top Speed Limiter Removal
TMAP Sensor Settings
Boost By Gear % Reduction
DTC Deactivation
Re-calibrated Sport Gauges on iDrive
E85/blend, RaceGas, and Meth Injection Tuning
Custom Throttle Mapping
Backend Flash Maps for Piggyback Use

[pbonsalb]

I think I read all of that on the bootmod website.

[pnm9576]

Originally Posted by salraf

I am narrowing down between these two mods. I know that they are very different in execution. I was hoping for some feedback from members.

thanks

selling my bm3 license if you are interested. sold my f90 1 week ago. was running bootmod3 from 3k miles to 21k miles when i sold it. no issues.

[eric97hoh]

Originally Posted by pbonsalb

About the best from JB4 is 10.3 at 136 mph, with just filters and race gas, but stock downpipes. The record for a tune is about 9.9 at 144 mph, with intake, downpipes, race gas, trans tune. Both are outliers—not many in the category. Add a few tenths and drop a few mph and the results are more obtainable.

got broken again its 9.78 now check mcc240 insta

[patb609]

Originally Posted by pnm9576

selling my bm3 license if you are interested. sold my f90 1 week ago. was running bootmod3 from 3k miles to 21k miles when i sold it. no issues.

I'll take it if you still have it.

[DrivenAgain]

If you look at the datalog of a piggyback "tune" vs a real flash, its no contest in safety and drivability.

[pbonsalb]

The off the shelf tunes don’t appear to offer any better performance than a fully wired JB4, using respective maps for the same fuels. The custom tunes, in which the tuner verifies your car is working right and then uses up some of the safety margin in the OTS tune, definitely are superior in terms of performance.

I have a JB4 and bought BM3 that I have not yet installed. I am curious what I will notice. I never fiddled with the JB4 so I did not maximize it, but I did add meth for safety on top of the 93 Map. With the BM3, I will use the JB4 just as a meth controller. Eventually I may try a custom tune or back end flash (which lets the JB4 add boost), but I am definitely not there yet.

[LongBeachDinanFan]

Originally Posted by pbonsalb

About the best from JB4 is 10.3 at 136 mph, with just filters and race gas, but stock downpipes. The record for a tune is about 9.9 at 144 mph, with intake, downpipes, race gas, trans tune. Both are outliers—not many in the category. Add a few tenths and drop a few mph and the results are more obtainable.

They claim 10.1@132 with "2020 F92 BMW M8 with JB4, MAP 5, BMS Intake and MS109 Race Gas", although I've seen better slips posted here. Around 10.1@136. Flash tunes can be a little quicker but then you also have a little more risk from flashing the ECU.

[DrivenAgain]

A real flash is exponentially safer, do your research and actually look at the logs of a piggyback only vs real flash. I have and have had both. With a real custom tune you wont need to stack JB4 for boost control. JB4 for meth is one of the best.

[NORTHSHOREM5]

Originally Posted by DrivenAgain

A real flash is exponentially safer, do your research and actually look at the logs of a piggyback only vs real flash. I have and have had both. With a real custom tune you wont need to stack JB4 for boost control. JB4 for meth is one of the best.

I believe this is correct , I've heard it on a video from Steve Dinan himself as well as have read it on a post from Dinan o. These forums .
The piggy bag apparently only changes 2 parameters or something and all ICE motors are not made equal even on the same line the same factory employees and the same day off the assembly line , after all thousand of moving parts , cold and hot temps , wear and tear etc etc some of our cars will be able to handle what others will blow rods or blow up the motor with the same exact software . Ever hear the term factory freak.
When they bench the DME they load the new maps and then they adjust all the different parameters that the car uses . This is why not all tuned cars are the same with the same map as well.
However if you are like me and have an LCI. Stop going down the rabbit hole, there is no rabbit you have to either piggy back or nothing. I have primary and secondary down pipes cat less and grill mounted intakes I can't decide what to do either in regards to BM3/JB4 I think I may just go for the JB4 .
It appears car barn steve Dinan s new company has a similar product for double the price . Like I said it's only changing 2 parameters on the car so JB4 has been doing this for a long long time as well.
You have 1 other option , send your DME through your tuner to Russia to unlock it and back and then they can flash it. If you can be without the car for 2 week to a month from what my tuner said. That is the best option .

Only applies ro 2021+

[LongBeachDinanFan]

Originally Posted by DrivenAgain

A real flash is exponentially safer, do your research and actually look at the logs of a piggyback only vs real flash. I have and have had both. With a real custom tune you wont need to stack JB4 for boost control. JB4 for meth is one of the best.

I'm sure that depends entirely on the flash map itself. I've seen a lot of "safe" flash tuned cars melt down over the years.

[DrivenAgain]

Originally Posted by LongBeachDinanFan

I'm sure that depends entirely on the flash map itself. I've seen a lot of "safe" flash tuned cars melt down over the years.

You are correct.