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      02-14-2020, 10:45 AM   #1
Akokar
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Time to do my first upgrade

So hav my M5c for 6 months around 5k on it. Thinking to do some upgrades. I do drive it 3/4 days a week. Don't want it too loud some may b some down pipes plus a tune should b good. Any suggestions appreciate all. Thanks.
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      02-14-2020, 12:08 PM   #2
gpdriver17
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If you don't want it too loud you shouldn't do downpipes. I've heard they are extremely loud. Set car alarms off on a cold start loud. Just a JB4 or tune from a reputable company (not Noelle) should be enough. Everything else seems to help very little. After a tune, downpipes are probably the next best thing, but unless you're going for Dragy times, there's no point. Some intakes help with the sound, but don't add much if anything in terms of power.
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      02-14-2020, 12:28 PM   #3
Akokar
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Originally Posted by gpdriver17 View Post
If you don't want it too loud you shouldn't do downpipes. I've heard they are extremely loud. Set car alarms off on a cold start loud. Just a JB4 or tune from a reputable company (not Noelle) should be enough. Everything else seems to help very little. After a tune, downpipes are probably the next best thing, but unless you're going for Dragy times, there's no point. Some intakes help with the sound, but don't add much if anything in terms of power.
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
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      02-14-2020, 01:15 PM   #4
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JB4 probably takes a good 30~60 min to install / uninstall.

Racechip GTS should take 5~10 min to install / uninstall.
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      02-14-2020, 02:43 PM   #5
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Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
Road race track or drag strip?
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      02-14-2020, 03:18 PM   #6
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Do secondary Downpipe’s. Did this to my m8 which is pretty much identical engine and exhaust setup as the m5. Perfect amount of increase of sound. Not obnoxious and still sounds stock but louder

Quote:
Originally Posted by Akokar View Post
So hav my M5c for 6 months around 5k on it. Thinking to do some upgrades. I do drive it 3/4 days a week. Don't want it too loud some may b some down pipes plus a tune should b good. Any suggestions appreciate all. Thanks.
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      02-14-2020, 03:19 PM   #7
Akokar
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Quote:
Originally Posted by gpdriver17 View Post
Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
Road race track or drag strip?
Drag strip
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      02-14-2020, 05:03 PM   #8
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Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
With the JB4 you can leave it installed and just change the map from your phone. Map 0 is stock. You may want to take it off if you go to the dealership though.

You should be able to get where you want to be with the JB4 and good gas. There have been a few people recently that aren't satisfied with their results. I was able to hit a 10.34 on my first run and a 10.27 on my second, with one of the conservative maps (map 2). That's from a non comp with Pirelli tires on the street. I had a BMS intake also, but they just add sound. The record for a JB4 with intake, exhaust and DP is 10.05. You should be able to hit a 10.5 or better depending on your DA.
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Last edited by gpdriver17; 02-14-2020 at 05:39 PM..
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      02-14-2020, 05:41 PM   #9
Akokar
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Quote:
Originally Posted by gpdriver17 View Post
Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
With the JB4 you can leave it installed and just change the map from your phone. Map 0 is stock. You may want to take it off if you go to the dealership though.

You should be able to get where you want to be with the JB4 and good gas. There have been a few people recently that aren't satisfied with their results. I was able to hit a 10.34 on my first run and a 10.27 on my second. That's from a non comp with Pirelli tires on the street. I had a BMS intake also, but they just add sound. The record for a JB4 with intake, exhaust and DP is 10.05. You should be able to hit a 10.5 or better depending on your DA.
Wow it b nice to b in 10's. I think I'll go with jb4 for sure then down the road I'll get secondary n may b intake for a sound
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      02-14-2020, 05:46 PM   #10
gpdriver17
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Wow it b nice to b in 10's. I think I'll go with jb4 for sure then down the road I'll get secondary n may b intake for a sound
It's a good way to go. Even if you get another tune in the future you can use the JB4 for data logging or as a meth controller if you go that route someday.
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      02-14-2020, 06:27 PM   #11
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Any feelings of Jb4 vs. RaceChip in terms of performance with piggy only and 91 octane?
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      02-14-2020, 08:41 PM   #12
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RaceChip GTS Black 5-10 minutes install and uninstall.
You can turn off from the App or remove the module and use the included dummy plug / bypass plug.

And, it comes with 2x free reprogramming within 3 years of ownership and engine warranty.

I personally would skip JB4 and go directly to flash tune like DME/BM3.

Oh, and secondary downpipe will help the sound and performance.
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      02-14-2020, 10:38 PM   #13
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Originally Posted by r33_RGSport View Post
RaceChip GTS Black 5-10 minutes install and uninstall.
You can turn off from the App or remove the module and use the included dummy plug / bypass plug.

And, it comes with 2x free reprogramming within 3 years of ownership and engine warranty.

I personally would skip JB4 and go directly to flash tune like DME/BM3.

Oh, and secondary downpipe will help the sound and performance.
Racechip has engine warrant?!?
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      02-14-2020, 10:38 PM   #14
r33_RGSport
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Quote:
Originally Posted by gpdriver17 View Post
Quote:
Originally Posted by r33_RGSport View Post
RaceChip GTS Black 5-10 minutes install and uninstall.
You can turn off from the App or remove the module and use the included dummy plug / bypass plug.

And, it comes with 2x free reprogramming within 3 years of ownership and engine warranty.

I personally would skip JB4 and go directly to flash tune like DME/BM3.

Oh, and secondary downpipe will help the sound and performance.
Racechip has engine warrant?!?
Yes. If you are the first owner of the car and the RaceChip.
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      02-15-2020, 11:35 AM   #15
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Quote:
Originally Posted by Akokar View Post
Quote:
Originally Posted by gpdriver17 View Post
Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
With the JB4 you can leave it installed and just change the map from your phone. Map 0 is stock. You may want to take it off if you go to the dealership though.

You should be able to get where you want to be with the JB4 and good gas. There have been a few people recently that aren't satisfied with their results. I was able to hit a 10.34 on my first run and a 10.27 on my second. That's from a non comp with Pirelli tires on the street. I had a BMS intake also, but they just add sound. The record for a JB4 with intake, exhaust and DP is 10.05. You should be able to hit a 10.5 or better depending on your DA.
Wow it b nice to b in 10's. I think I'll go with jb4 for sure then down the road I'll get secondary n may b intake for a sound
I have the JB4, nothing else. I get 92 octane pump gas here in WA so I add 6oz of BOOSTane Pro at each fill up. I run either map 2 or map 6—the latter if I'm tinkering with settings. I consistently hit 60mph in 2.6x seconds with 2.59 being my best. I run the 1/4 mile in 10.4s consistently with 10.33s being my best—these runs are on farm roads, not prep'd drag strip surfaces.

Without BOOSTane Pro and using map 1, I've run 10.5s, 10.6s and 10.7s. I don't have consistent repeatable data on map 1 because I don't use it enough.
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      02-15-2020, 11:39 AM   #16
Akokar
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Quote:
Originally Posted by limeypride View Post
Quote:
Originally Posted by Akokar View Post
Quote:
Originally Posted by gpdriver17 View Post
Quote:
Originally Posted by Akokar View Post
So with jb4 how easy is to install n uninstall like I only wana use it when I take the car to track which will b like 2/3 times a month rest of time car has plenty of power for streets.
With the JB4 you can leave it installed and just change the map from your phone. Map 0 is stock. You may want to take it off if you go to the dealership though.

You should be able to get where you want to be with the JB4 and good gas. There have been a few people recently that aren't satisfied with their results. I was able to hit a 10.34 on my first run and a 10.27 on my second. That's from a non comp with Pirelli tires on the street. I had a BMS intake also, but they just add sound. The record for a JB4 with intake, exhaust and DP is 10.05. You should be able to hit a 10.5 or better depending on your DA.
Wow it b nice to b in 10's. I think I'll go with jb4 for sure then down the road I'll get secondary n may b intake for a sound
I have the JB4, nothing else. I get 92 octane pump gas here in WA so I add 6oz of BOOSTane Pro at each fill up. I run either map 2 or map 6—the latter if I'm tinkering with settings. I consistently hit 60mph in 2.6x seconds with 2.59 being my best. I run the 1/4 mile in 10.4s consistently with 10.33s being my best—these runs are on farm roads, not prep'd drag strip surfaces.

Without BOOSTane Pro and using map 1, I've run 10.5s, 10.6s and 10.7s. I don't have consistent repeatable data on map 1 because I don't use it enough.
Dam I just ordered my jb4 m excited to get it installed
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