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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > 340i/440i mppk owners and additional mods
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      09-27-2016, 03:44 PM   #23
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Quote:
Originally Posted by soultraveler00 View Post
Does anyone have an aftermarket intake and/or catless downpipe with this setup? If so how is the compatibility and drivability? Want to do the BMS intake but worried about messing with the smoothness of this flash from the power kit. Also interested in ER Downpipe perhaps down the road. Thoughts?
BMS intake will not mess with the smoothness of your flash tune
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      10-26-2016, 02:34 AM   #24
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      10-27-2016, 02:53 PM   #25
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Originally Posted by soultraveler00 View Post
Yea I have the BMS intake just sitting in the box. Might as well try it. Just worried about CEL. Also does anyone know if the cel comes on and I take off the bms intake and go back to stock is it guaranteed that cel will disappear or could it still stay?
Had mine on for 6 months now, no CEL
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      10-29-2016, 04:23 PM   #26
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Intake will effect very little in smoothness, that's the last thing I'd be worried about. It's a no brained if you want more intake noise.

To other comments, MPPK 'gun shots' come mostly from software, and mid-pipe rework, not muffler.
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      10-30-2016, 02:01 AM   #27
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I've had the BMS intake now for almost a month and it sounds nice but don't hear it much because of the exhaust. It's really only noticeable to me in 3rd gear and up. I love the pops from the exhaust but it doesn't last long enough. As everyone with mppk knows it takes about 60 secs from start up for the Valves to open up. Then its 5-6 mins of pure bliss from the exhaust in sport or sport + mode. Unfortunately the sound becomes very subdued and much quieter after that. I want a Catless Downpipe so i can have that sound 100% of the time. Then switch to comfort when i want to relax.
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      12-19-2016, 11:32 PM   #28
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Quote:
Originally Posted by soultraveler00 View Post
Yea I have the BMS intake just sitting in the box. Might as well try it. Just worried about CEL. Also does anyone know if the cel comes on and I take off the bms intake and go back to stock is it guaranteed that cel will disappear or could it still stay?
What's up just curious if you put the bms intake on? Have you had an issues or just positive results, loving the MPPK so far and was considering this next.
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      12-21-2016, 04:12 PM   #29
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Quote:
Originally Posted by SeanWRT View Post
B58+mppk Power is already more than a F3X can handle.

I would focus on smoothness of power delivery & responsiveness when considering any engine mods.
Why do you think that the B58 can't handle the MPPK and more then that?

The motor is a closed deck block with a larger turbo then a N55 platform.

There are many cars with JB4, intake, downpipes, exhaust and meth injection making 450 horsepower at the wheels and there hasn't been one that has resulted in any damage. You would hear a lot about it if one failed.

The fact that the N55 handles 450-500whp and doesn't have much reported breakage or problems definitely makes the B58 with it's better bottom end and block when talking about reliability.

BMS, DINAN and other tuners have not even touched the potential of these motors because they haven't been able to figure out how to control the fueling on the B58 DME. Once someone cracks that, you will see 80-100 hp increases with just a simple tune.
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      12-21-2016, 08:47 PM   #30
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Quote:
Originally Posted by carguy19 View Post
Quote:
Originally Posted by SeanWRT View Post
B58+mppk Power is already more than a F3X can handle.

I would focus on smoothness of power delivery & responsiveness when considering any engine mods.
Why do you think that the B58 can't handle the MPPK and more then that?

The motor is a closed deck block with a larger turbo then a N55 platform.

There are many cars with JB4, intake, downpipes, exhaust and meth injection making 450 horsepower at the wheels and there hasn't been one that has resulted in any damage. You would hear a lot about it if one failed.

The fact that the N55 handles 450-500whp and doesn't have much reported breakage or problems definitely makes the B58 with it's better bottom end and block when talking about reliability.

BMS, DINAN and other tuners have not even touched the potential of these motors because they haven't been able to figure out how to control the fueling on the B58 DME. Once someone cracks that, you will see 80-100 hp increases with just a simple tune.
It is F3X, the platform, that I was saying cannot handle the power. It's more obvious when you look at F80 - smoke tire in 3rd with S55 and cannot put the power in place in corner.
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      12-21-2016, 09:57 PM   #31
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Quote:
Originally Posted by SeanWRT View Post
Quote:
Originally Posted by carguy19 View Post
Quote:
Originally Posted by SeanWRT View Post
B58+mppk Power is already more than a F3X can handle.

I would focus on smoothness of power delivery & responsiveness when considering any engine mods.
Why do you think that the B58 can't handle the MPPK and more then that?

The motor is a closed deck block with a larger turbo then a N55 platform.

There are many cars with JB4, intake, downpipes, exhaust and meth injection making 450 horsepower at the wheels and there hasn't been one that has resulted in any damage. You would hear a lot about it if one failed.

The fact that the N55 handles 450-500whp and doesn't have much reported breakage or problems definitely makes the B58 with it's better bottom end and block when talking about reliability.

BMS, DINAN and other tuners have not even touched the potential of these motors because they haven't been able to figure out how to control the fueling on the B58 DME. Once someone cracks that, you will see 80-100 hp increases with just a simple tune.
It is F3X, the platform, that I was saying cannot handle the power. It's more obvious when you look at F80 - smoke tire in 3rd with S55 and cannot put the power in place in corner.
With proper tires and some mild suspension upgrades, an XDrive F3x will handle well beyond 400whp.

F80 suffers from traction issues, if it could put the power down, the chassis itself can handle the power without issue.
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      12-22-2016, 09:00 AM   #32
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Quote:
Originally Posted by SeanWRT View Post
It is F3X, the platform, that I was saying cannot handle the power. It's more obvious when you look at F80 - smoke tire in 3rd with S55 and cannot put the power in place in corner.
I do agree with those points. I thought you were speaking strictly about engine performance and reliability. These motors (N55s) are pretty bulletproof until you start exceeding 500whp, the B58 is definitely more stout and way stronger with the new block and better breathing. It remains to be seen what the safety zone is with the B58 though.

Check out Nitto drag radial N555 (more street if you live where the weather changes). If you live in a dry hot climate the Nitto NT05R is pretty much a street legal slick with grooves in it.
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      01-06-2017, 11:01 PM   #33
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Wanted to BUMP this. It's been some time now since b58 has been around and want to see if anybody with MPPK has installed Catless DP and Jb4. There's got to be somebody out there that has.
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      01-16-2017, 06:50 PM   #34
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Thinking about either the BMS intake or Dinan midpipes for next mod. Currently JB4 with Dinan Free flow exhaust. For sound and performance which is the most bang for the buck?
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      01-17-2017, 01:47 AM   #35
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Quote:
Originally Posted by soultraveler00
Wanted to BUMP this. It's been some time now since b58 has been around and want to see if anybody with MPPK has installed Catless DP and Jb4. There's got to be somebody out there that has.
Yeah there is a guy on the B58 FB page that has and I will be installing a JB4 next month. no DP though, to loud.
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