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      01-07-2020, 05:32 PM   #67
CoolStory
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Yes, but this car is quiet as a kitten so there wasn't much change in the sound. It's a little bit louder and there are a few more pops and cracks but it's a nice sleeper.

The TCU isn't available for us yet but he said he'd get back to me in a few weeks to let me know when it's unlocked. He said it's a must have.

As far as power, the f30 forum folk with the same B58 as ours are reporting over 100hp with just this flash tune. I'd have to say I totally believe it. The ECU flash changes the default 400hp max gauges in the vehicle to read 480hp/480tq. I know it's just a graphic and not a true dyno but when floored, the HP gauge maxes out at 480 and the TQ is just slightly under it (around 470) and it sure as hell feels like it. I'm extremely impressed and happy with it.

Maybe if I get some time off I'll find an AWD Dyno around here. I'm very impressed though, not sure I need to dyno it since I'm happy.

Last edited by CoolStory; 01-07-2020 at 07:49 PM..
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      01-07-2020, 07:44 PM   #68
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Attached is the cluster gauges after the ECU flash
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      01-07-2020, 07:46 PM   #69
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And I'm sorry for the blurry picture but it's difficult to safely take a picture when you're flooring the vehicle.

That's why I posted the above picture so you could see the HP/TQ numbers. It looks like it's also putting about 16psi to the turbo.
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Last edited by CoolStory; 01-07-2020 at 07:52 PM..
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      01-08-2020, 02:58 PM   #70
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Quote:
Originally Posted by vinnymac View Post
I know must of us are just getting used to or still waiting on the arrival of our cars.

I test drove the 40i prior to ordering mine and there was plenty of power. However, I am coming from a F80 M3 and I confident I am going to want more power at some point. I have started researching options and it looks a bit limited. Albeit the B58 engine has been out for a few years and it looks like some tuners just need to update their marketing material.

However, I am curious if anyone is running any ECU upgrades on the X5 40i?

It looks like there are a few options:
Race Chip
https://www.racechip.us/shop/bmw/x5-...-365lb-ft.html

Burger Tuning
http://www.burgertuning.com/B58_JB4_...nce_tuner.html
My humble advice: DON'T buy/use Racechip.

I purchased two Racechip boxes for two of my previous BMWs, one for the M235i and one for an F15 X5 30d. BOTH boxes gave my cars problems, ECU errors and on both I got stranded on the road, both engines got a "protection" reaction while driving and I was forced to shore off the road, turn off the cars so I could pop the hood to disconnect those useless boxes. Once I disconnected them, both cars went on like nothing happened.

I call this company RACESHIT since then. Hope this helps.

Can't comment on Burger Tuning tho.
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      01-08-2020, 06:03 PM   #71
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Quote:
Originally Posted by AlexGT View Post
My humble advice: DON'T buy/use Racechip.

I purchased two Racechip boxes for two of my previous BMWs, one for the M235i and one for an F15 X5 30d. BOTH boxes gave my cars problems, ECU errors and on both I got stranded on the road, both engines got a "protection" reaction while driving and I was forced to shore off the road, turn off the cars so I could pop the hood to disconnect those useless boxes. Once I disconnected them, both cars went on like nothing happened.

I call this company RACESHIT since then. Hope this helps.

Can't comment on Burger Tuning tho.
I'd have to agree. I went to a professional tuner who's a Master BMW Tech and has 3 Master Techs working under him. The guy I spoke to highly suggests doing a flash tune if you're going to get the most bang for your buck as well as have the least amount of issues. They sell the piggybacks but he told me to stay away from them. The chips/piggyback options used to be decent but as of late these newer vehicles truly need a flash to get everything done correctly and safely. And since I can flash it back to stock in a matter of seconds if I decide to take it to the dealer, it's a lot less of a pain in the ass than trying to unhook all the junk under the hood as well as the wire feeding through the engine bay into the firewall to plug into the inside of your car for bluetooth support.

So far, I can't believe the amount of power I'm getting.
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      01-09-2020, 04:41 PM   #72
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Coolstory keep us posted on the TCU flash. I think this is the route id go as well. And get the m performance exhaust when its available.
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      01-10-2020, 03:46 PM   #73
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Will do! Also wanted to note that I guess I've been babying the car even after the flash.. only punching it a few times.. until today. In Sport mode there are a TON of pops and crackles. Even in Park/Neutral it'll throw pops and cracks while revving. Muahaha!
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      02-05-2020, 12:32 AM   #74
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Are you able to flash it back to stock without leaving a trace in case you need to take it to the dealer?

Quote:
Originally Posted by CoolStory View Post
Yes, but this car is quiet as a kitten so there wasn't much change in the sound. It's a little bit louder and there are a few more pops and cracks but it's a nice sleeper.

The TCU isn't available for us yet but he said he'd get back to me in a few weeks to let me know when it's unlocked. He said it's a must have.

As far as power, the f30 forum folk with the same B58 as ours are reporting over 100hp with just this flash tune. I'd have to say I totally believe it. The ECU flash changes the default 400hp max gauges in the vehicle to read 480hp/480tq. I know it's just a graphic and not a true dyno but when floored, the HP gauge maxes out at 480 and the TQ is just slightly under it (around 470) and it sure as hell feels like it. I'm extremely impressed and happy with it.

Maybe if I get some time off I'll find an AWD Dyno around here. I'm very impressed though, not sure I need to dyno it since I'm happy.
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      02-08-2020, 03:34 PM   #75
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Originally Posted by bichoo View Post
Are you able to flash it back to stock without leaving a trace in case you need to take it to the dealer?
Yes, flashing it back to stock using my own laptop and the software provided by mission takes less than 2 minutes. I've tested it myself with no issues, then flashed it back to the stage 2 tune when done testing.

However, there really isn't a need to flash it back to stock though. I took the X5 to the dealer a few days ago because of a faulty chassis sensor (turned out to be loose screws to the driver's rear height sensor for the suspension). They never said a word about the tune and did the warranty work on the chassis with no issues, even after chassis calibration and overall inspection of the vehicle afterword. I know they went through all of the menus as well because the average mpg was reset and the screens were all on different displays than what I normally keep them on.

Still no update on the transmission flashing, but it's coming. So far without the trans flash it still runs smooth and powerful as hell. Took a 300 mile trip last week and everything runs like a dream.
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      02-09-2020, 09:28 PM   #76
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Quote:
Originally Posted by CoolStory View Post
Yes, flashing it back to stock using my own laptop and the software provided by mission takes less than 2 minutes. I've tested it myself with no issues, then flashed it back to the stage 2 tune when done testing.

However, there really isn't a need to flash it back to stock though. I took the X5 to the dealer a few days ago because of a faulty chassis sensor (turned out to be loose screws to the driver's rear height sensor for the suspension). They never said a word about the tune and did the warranty work on the chassis with no issues, even after chassis calibration and overall inspection of the vehicle afterword. I know they went through all of the menus as well because the average mpg was reset and the screens were all on different displays than what I normally keep them on.

Still no update on the transmission flashing, but it's coming. So far without the trans flash it still runs smooth and powerful as hell. Took a 300 mile trip last week and everything runs like a dream.
Excellent, this is great information, thank you! I"ll reach out to them now.
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      02-10-2020, 03:14 PM   #77
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Quote:
Originally Posted by CoolStory View Post
Quote:
Originally Posted by bichoo View Post
Are you able to flash it back to stock without leaving a trace in case you need to take it to the dealer?
Yes, flashing it back to stock using my own laptop and the software provided by mission takes less than 2 minutes. I've tested it myself with no issues, then flashed it back to the stage 2 tune when done testing.

However, there really isn't a need to flash it back to stock though. I took the X5 to the dealer a few days ago because of a faulty chassis sensor (turned out to be loose screws to the driver's rear height sensor for the suspension). They never said a word about the tune and did the warranty work on the chassis with no issues, even after chassis calibration and overall inspection of the vehicle afterword. I know they went through all of the menus as well because the average mpg was reset and the screens were all on different displays than what I normally keep them on.

Still no update on the transmission flashing, but it's coming. So far without the trans flash it still runs smooth and powerful as hell. Took a 300 mile trip last week and everything runs like a dream.

Isn't this it?


https://missiontuning.com/bmw-transm...lash-tune.html
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      02-10-2020, 06:58 PM   #78
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Originally Posted by Stealthall View Post
Yes, that is the one. You can ask them if it works for your VIN. My firmware seemed to be on a higher level (not yet cracked since it was one of the last 2019 produced) than the one they were offering. But if that works for you then I'd get it without hesitation. E-mail them to verify..
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      02-11-2020, 11:00 AM   #79
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Well that sucks....because I have the Nov 2019 SW update BM3 & Mission wont work for remote flash. I have no interest in sending in my DME...
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      02-11-2020, 06:12 PM   #80
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Quote:
Originally Posted by Stealthall View Post
Well that sucks....because I have the Nov 2019 SW update BM3 & Mission wont work for remote flash. I have no interest in sending in my DME...
Give it some time.. They'll get it eventually. Maybe they'll have the updated transmission flash ready for us as well.
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      02-11-2020, 06:19 PM   #81
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Quote:
Originally Posted by CoolStory View Post
Quote:
Originally Posted by Stealthall View Post
Well that sucks....because I have the Nov 2019 SW update BM3 & Mission wont work for remote flash. I have no interest in sending in my DME...
Give it some time.. They'll get it eventually. Maybe they'll have the updated transmission flash ready for us as well.
That would be sweet
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