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2Addicts | BMW 2-Series forum Technical Topics B58 (M240i) Engine, Transmission, Exhaust, Tuning BMS Stage 1 OR DINANTRONICS Sport?

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      07-18-2016, 01:09 AM   #1
bimmer4life24
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BMS Stage 1 OR DINANTRONICS Sport?

  • Currently have a 2015 M235i with Auto Trans
  • Do not plan on doing any future mods
  • Only mod I currently have is the M-Performance Exhaust
  • Looking for an easy install/remove mod (might order an M2 next year)


I've read that some people with auto trans are getting low end lag with the BMS stage 1, such as from standstill to WOT. In addition, some jerkyness while shifting. I would not enjoy noticing either of these two things.

Does the Dinan tune avoid those two issues? If so, I would prefer less power over the lag and jerkyness in shifting.

What we know:
BMS Stage 1 provides up to +50hp & +65TQ
Dinantronics provides up to +30hp & +40TQ

Thanks in advance for the help, guys!
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      07-18-2016, 06:32 AM   #2
nike001
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Quote:
Originally Posted by bimmer4life24 View Post
[B][LIST]

I've read that some people with auto trans are getting low end lag with the BMS stage 1, such as from standstill to WOT. In addition, some jerkyness while shifting. I would not enjoy noticing either of these two things.
I noticed those things with my BMS Stage 1 but I feel like any tune like that will have these effects since they only plug into 2 sensors and can't control boost per RPM like the JB4 and other higher end tunes can.

What you noted and I noticed, you do get used to them.. it just turns into how the car drives but I 100% love that I upgraded to the JB4 since the driveability got so much better (Like stock).

Since you have an auto I think a little bit of this would be covered up.
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      07-18-2016, 07:26 AM   #3
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There should be some reviews of the Dinantronics Sport soon and over on the f30 forums there is a user that is going to be back-to-back testing with the BMS Stage 1 but on an N20 application.

But I think you'll have the same issue with both. They are just adding constant boost. Dinantronics by default runs at it's Sport+ which is +3psi and maxes out at +4psi with Race mode but that sounds like it is really only good for race and not DD.

The main advantage of the Dinantronics Sport is the bluetooth connectivity and ability to change settings on the fly. Heck maybe you find running 2 or 3 psi additional boost just runs better. The second advantage is that it works across many models which means it should be easier to resell when you're done with the car or possibly transfer to a new car, we don't know if the N55 version will work with B58 or if they are even bringing B58 support.

However I think you can adjust boost on the BMS Stage 1 up to +4.5psi, from what I understand it requires an additional data cable and software on a computer.

Last edited by Tyresian; 07-18-2016 at 07:52 AM..
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      07-18-2016, 11:31 AM   #4
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Quote:
Originally Posted by nike001 View Post
I noticed those things with my BMS Stage 1 but I feel like any tune like that will have these effects since they only plug into 2 sensors and can't control boost per RPM like the JB4 and other higher end tunes can.

What you noted and I noticed, you do get used to them.. it just turns into how the car drives but I 100% love that I upgraded to the JB4 since the driveability got so much better (Like stock).

Since you have an auto I think a little bit of this would be covered up.
Which map are you running on JB4 ?
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      07-18-2016, 05:43 PM   #5
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OP, I can get you a Dinantronics tuner if you want one.

Quote:
Originally Posted by Kolyan2k View Post
Which map are you running on JB4 ?
I DD usually on Map 1 (same as BMS Stage 1 but better). Map 2 when I have room to play and sometimes map 5 to see what the car wants to do.
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      07-18-2016, 07:03 PM   #6
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Quote:
Originally Posted by nike001 View Post
OP, I can get you a Dinantronics tuner if you want one.



I DD usually on Map 1 (same as BMS Stage 1 but better). Map 2 when I have room to play and sometimes map 5 to see what the car wants to do.
I really think I should just go with the Jb4 over all. Just seems like a better tune all around even if I'm not doing any other mods.

Last edited by bimmer4life24; 07-18-2016 at 07:15 PM..
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      07-18-2016, 08:51 PM   #7
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Quote:
Originally Posted by nike001 View Post
OP, I can get you a Dinantronics tuner if you want one.



I DD usually on Map 1 (same as BMS Stage 1 but better). Map 2 when I have room to play and sometimes map 5 to see what the car wants to do.
You really think its worth upgrading form S1 to JB4 Map 1? Is the difference that noticeable? Also how easy is it to remove vs S1?

Thanks
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      07-18-2016, 09:06 PM   #8
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Quote:
Originally Posted by Kolyan2k View Post
You really think its worth upgrading form S1 to JB4 Map 1? Is the difference that noticeable? Also how easy is it to remove vs S1?

Thanks
From driveability standpoint.. I like it many times better than Stage 1. Stage 1 just gives stock boost +3psi or whatever it is. That's fine, at WOT. That's not fine (it's annoying to me) to get +3 psi when I'm just trying to drive it nice and easy and it's giving me 9psi when I only want 6psi. It was jumpy and it always made me romp on it everywhere.

JB4 goes off of RPM and adjusts boost from there... and also based on throttle. So it basically runs like stock until you give it the juice with the pedal and the JB4 tells it to turn the boost up.

I've been getting better MPG because of it
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      07-18-2016, 11:14 PM   #9
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Quote:
Originally Posted by nike001 View Post
From driveability standpoint.. I like it many times better than Stage 1. Stage 1 just gives stock boost +3psi or whatever it is. That's fine, at WOT. That's not fine (it's annoying to me) to get +3 psi when I'm just trying to drive it nice and easy and it's giving me 9psi when I only want 6psi. It was jumpy and it always made me romp on it everywhere.

JB4 goes off of RPM and adjusts boost from there... and also based on throttle. So it basically runs like stock until you give it the juice with the pedal and the JB4 tells it to turn the boost up.

I've been getting better MPG because of it
This. Extra $150 well worth it. I'm going JB4.
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      07-19-2016, 06:18 PM   #10
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Quote:
Originally Posted by bimmer4life24 View Post
I really think I should just go with the Jb4 over all. Just seems like a better tune all around even if I'm not doing any other mods.
Jb4 is the best piggyback available .. You cant beat the features and control it offers
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