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DSBM135i DSBM135i is offline
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Default 08-10-2015, 07:08 AM

So overall terry the N20 tunes and mods still need a bit more R&D to ensure motor life reliability?


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marcoac14 marcoac14 is offline
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Default 08-10-2015, 06:50 PM

Quote:
Originally Posted by Terry @ BMS
The first N20 update coming is duty bias adjustments similar to what we've added to the N54 platform recently. So you can hand dial in your boost control.
Terry, has this feature already been implemented for N20s?

Thanks
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BostonBeemah BostonBeemah is offline
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Default 08-10-2015, 09:55 PM

Do the 320i and 328i have the same n20 hardware wise?


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marcoac14 marcoac14 is offline
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Default 08-11-2015, 05:36 PM

Quote:
Originally Posted by BostonBeemah
Do the 320i and 328i have the same n20 hardware wise?
Nope. AFAIK everything but the pistons is shared. Usually 320i's are high compression (11:1) but there're low compression ones too. And all 328i's are low compression (10:1).

There are some other minor variations too. For instance here in Brazil we have a flexfuel variation with different fuel lines, fuel pump, ethanol sensor, etc.
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LycanX4M40i LycanX4M40i is offline
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Default 09-06-2015, 12:10 PM

N20 is a dump but not as bad as its predecessor
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harkes harkes is offline
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Default 09-06-2015, 08:44 PM

Sound like quite a few N20's has died with just Map2 and d0wnpipe... Running anything else than Map1 seems to be a bit of a gamble.
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Terry @ BMS Terry @ BMS is offline
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Default 09-06-2015, 08:55 PM

Quote:
Originally Posted by DSBM135i
So overall terry the N20 tunes and mods still need a bit more R&D to ensure motor life reliability?
The motor just needs stronger rods. Seems that is what fails at higher torque levels.


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timberwolf timberwolf is offline
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Default 09-10-2015, 01:29 PM

Quote:
Originally Posted by Terry @ BMS
The motor just needs stronger rods. Seems that is what fails at higher torque levels.
So if I wanted to just do jB4 on our 528i Xdrive, do you think it's foolish for a daily driver? Naturally the power level is lower that a full meth/dp setup


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wolfxx66 wolfxx66 is offline
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Default 11-06-2015, 08:02 AM

Quote:
Originally Posted by e46m3lol
Can't wait to install the meth kit in the coming weeks on my FBO 228i. I'm already at 330whp so I'm curious to see if I can break the the 350whp mark.
Have you installed the meth kit yet? I have the same car with dp jb4 and intake. I'd love to know if you have had any problems in terms of reliability.
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LycanX4M40i LycanX4M40i is offline
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Default 11-06-2015, 08:34 AM

Quote:
Originally Posted by wolfxx66
Have you installed the meth kit yet? I have the same car with dp jb4 and intake. I'd love to know if you have had any problems in terms of reliability.
He is ECU Flash now, car threw some rods due to Turbo Upgrade JB4 on 91
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wolfxx66 wolfxx66 is offline
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Default 11-06-2015, 08:54 AM

What are the options for changing the rods? Can anything be done about it?
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rustyminded rustyminded is offline
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Default 11-08-2015, 11:45 AM

Quote:
Originally Posted by wolfxx66
What are the options for changing the rods? Can anything be done about it?
Call ABR Houston. they said they can do rods, turbo upgrade ect.


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marcoac14 marcoac14 is offline
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Default 11-08-2015, 06:07 PM

Quote:
Originally Posted by rustyminded
Call ABR Houston. they said they can do rods, turbo upgrade ect.
Yeah, I think they're able to rebuild the bottom end with forged parts. As far as I know they use N54 parts. The N54 rod is 0.3 mm longer but the N20 wrist pin is 0.3 mm offset (from piston centerline). N54 rod bearings can also be used but the crankshaft has to be machined. Regarding the pistons, I don't know if N54 pistons can be used.

Unless he takes his car to Alex's shop, I don't think he's gonna be able to buy the parts from Alex. I already tried several times.

CP Carrillo can custom make pistons and rods but not bearings. I think they already have the molds so you won't need to send them the parts for molding.

I've been told JE and Pauter have already made forged pistons and rods but you'd need to contact them.

Get in touch with Anthony @ VAC Motorsports (anthony@vacmotorsports.com). He's sourcing the parts for me.
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LycanX4M40i LycanX4M40i is offline
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Default 11-10-2015, 04:00 PM

So who will be the first N20 with upgraded internals ?
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marcoac14 marcoac14 is offline
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Default 11-16-2015, 05:18 PM

My engine should be up and running in two weeks but I'm pretty sure I'm not the first one.
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LycanX4M40i LycanX4M40i is offline
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Default 11-17-2015, 10:03 AM

Quote:
Originally Posted by marcoac14
My engine should be up and running in two weeks but I'm pretty sure I'm not the first one.
keep us posted
are you on bimmerfest or bimmerpost?
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marcoac14 marcoac14 is offline
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Default 11-17-2015, 10:06 AM

Quote:
Originally Posted by RobX3
keep us posted
are you on bimmerfest or bimmerpost?
Yup, bimmerpost
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wolfxx66 wolfxx66 is offline
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Default 11-18-2015, 08:40 AM

Quote:
Originally Posted by marcoac14
My engine should be up and running in two weeks but I'm pretty sure I'm not the first one.
Can't wait to hear the result!
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LycanX4M40i LycanX4M40i is offline
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Default 11-24-2015, 04:26 PM

Quote:
Originally Posted by marcoac14
Yup, bimmerpost
Do you have a build thread progress?
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(#45)
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marcoac14 marcoac14 is offline
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Default 11-24-2015, 07:12 PM

Quote:
Originally Posted by RobX3
Do you have a build thread progress?
Not yet but I intend to as soon as I get it up and running.
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wolfxx66 wolfxx66 is offline
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Default 12-07-2015, 06:41 AM

Quote:
Originally Posted by marcoac14
My engine should be up and running in two weeks but I'm pretty sure I'm not the first one.
How did it turn out?
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(#47)
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marcoac14 marcoac14 is offline
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Default 12-08-2015, 07:26 PM

Quote:
Originally Posted by wolfxx66
How did it turn out?
Not finished yet. Lots of holdups.
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LycanX4M40i LycanX4M40i is offline
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Default 12-09-2015, 06:34 AM

Keep us posted, what are the upgrades you're having done?
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wolfxx66 wolfxx66 is offline
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Default 01-04-2016, 12:18 PM

Quote:
Originally Posted by marcoac14
Not finished yet. Lots of holdups.
Any progress?
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Seraphblade@SG Seraphblade@SG is offline
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Default 01-12-2016, 06:13 AM

Is there some install notes that I can follow for the meth kit for N20?

From the burgertuning website, the installation notes applies for N54 and N55... Should I follow the N55?
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