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      07-17-2019, 07:14 AM   #1
djminkin
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135 to replace my M2 performance question

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My daily driver is a work truck and I had a 2017 M2 as a weekend car to have some fun. It just sat in my driveway most of the time and wasnít very practical so I sold it. Was thinking of buying a 135 to replace it and was wondering what modifications I would need to do to it to make it as quick or quicker then a M2? Iím not going to track the car so I like more acceleration type performance. Should I go with the earlier twin turbo car as they can be cheaper and easier to tune? Thanks in advance.
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      07-17-2019, 07:55 AM   #2
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It shouldn't take much. The typical "Stage 2" build should put you faster in a straight line than a stock M2.

-Charge Pipe
-Better intake (filter is fine)
-Intercooler
-Downpipe
-Tune
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      07-17-2019, 08:17 AM   #3
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I'm trying to figure out how, if the M2 wasn't practical, a 135i with modifications to make it like the M2 is a good idea? Won't you have a car that has all the same impracticalities, whatever those were?
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      07-17-2019, 09:03 AM   #4
djminkin
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Quote:
Originally Posted by tracer bullet View Post
I'm trying to figure out how, if the M2 wasn't practical, a 135i with modifications to make it like the M2 is a good idea? Won't you have a car that has all the same impracticalities, whatever those were?
Impractical as in having a 58k car sitting as opposed to a 10-13k car sitting for occasional use.
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      07-17-2019, 10:29 AM   #5
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Are you thinking N54 or N55 for the 1er?
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      07-17-2019, 10:38 AM   #6
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N54 all day for performance. DP/FMIC/CP. Be sure to do inlets, I recommend the PR version. Get yourself a Stg2 lpfp. Reputable tune of choice to crank boost and enjoy ~400whp on 93 or 450+ on E mixes.

Regardless of not wanting to track, you'll need to do some work on the suspension to put the power down, but proper wheels, tires, dampers, RSFB, diff will fix a huge chunk of it.

Feel free to hit me up if you have specific questions.
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      07-18-2019, 10:46 AM   #7
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Quote:
Originally Posted by MN.BIMMER View Post
Are you thinking N54 or N55 for the 1er?
Still deciding. Looking for more opinions
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      07-18-2019, 01:16 PM   #8
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Quote:
Originally Posted by djminkin View Post
Still deciding. Looking for more opinions
If you really want MAX acceleration, N54 single turbo is the way to go. I have a n55 with Pure Stage 1 turbo and it's perfect for me. Still runs like stock with extra oomph, but pulls all the way to redline instead.
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      07-18-2019, 01:20 PM   #9
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Quote:
Originally Posted by djminkin View Post
Impractical as in having a 58k car sitting as opposed to a 10-13k car sitting for occasional use.
Got it. When I read impractical, it sounded like you maybe needed a van or truck or something. Makes sense now.
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      07-18-2019, 01:24 PM   #10
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Quote:
Originally Posted by MN.BIMMER View Post
If you really want MAX acceleration, N54 single turbo is the way to go. I have a n55 with Pure Stage 1 turbo and it's perfect for me. Still runs like stock with extra oomph, but pulls all the way to redline instead.
Completely disagree on single turbo conversions. Stick with the provided architecture. N54 is best with twins, N55 is best with single. Some pretty cool ST N55 builds out there. Best is relative of course.
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      07-18-2019, 01:31 PM   #11
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Quote:
Originally Posted by ShocknAwe View Post
Completely disagree on single turbo conversions. Stick with the provided architecture. N54 is best with twins, N55 is best with single. Some pretty cool ST N55 builds out there. Best is relative of course.
To each their own. I don't have any experience with n54, so my opion doesn't really matter.
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      07-18-2019, 04:33 PM   #12
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But the N54 undoubtedly makes more power on a single.
But really, a Pure Stage 2 N55 makes as much usable power as this chassis can handle from a street-ability perspective.
N54 if you want to make insane power, N55 for pretty much everything else.
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      07-18-2019, 05:36 PM   #13
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Quote:
Originally Posted by mfindigital View Post
But the N54 undoubtedly makes more power on a single.
But really, a Pure Stage 2 N55 makes as much usable power as this chassis can handle from a street-ability perspective.
N54 if you want to make insane power, N55 for pretty much everything else.
That's a great option too. I don't think the OP was looking to do more than basic bolt-ons though.
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      07-18-2019, 10:24 PM   #14
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N54 is overrated. N55 has more reliable fueling and wastegate and doesn't build up intake deposits to the point where there is an issue. Both motors need stock turbo(s) swapped for "serious" power. Both motors can make gigantic power limited by fueling and tune with upgraded turbo(s).

N55 also comes with dual clutch which is good for hard driving with corners.
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      07-19-2019, 08:39 AM   #15
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Iím really just looking for something to drive on the weekends around town and have some serious acceleration. Sub 4 second 0-60 will be fine. Can I achieve that without changing all the suspension and turbos.
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      07-19-2019, 11:29 AM   #16
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Quote:
Originally Posted by djminkin View Post
Iím really just looking for something to drive on the weekends around town and have some serious acceleration. Sub 4 second 0-60 will be fine. Can I achieve that without changing all the suspension and turbos.
Do you have E85 available? Any 135i with an E30 tune is probably what you're looking for.
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      07-19-2019, 01:32 PM   #17
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      07-20-2019, 09:46 AM   #18
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Quote:
Originally Posted by djminkin View Post
Hello group
My daily driver is a work truck and I had a 2017 M2 as a weekend car to have some fun. It just sat in my driveway most of the time and wasnít very practical so I sold it. Was thinking of buying a 135 to replace it and was wondering what modifications I would need to do to it to make it as quick or quicker then a M2? Iím not going to track the car so I like more acceleration type performance. Should I go with the earlier twin turbo car as they can be cheaper and easier to tune? Thanks in advance.
I think any variation of the 135i (n54/55) will meet your needs for a solid weekend driver. Iím on my second 135i and have had both motors now and both are solid choices. I would ultimately prefer to have an n54 for the simple fact of getting a charge pipe and BOV is more exciting than a charge pipe and a diverter valve. I daily drive an m4 and keep my 135is for the weekend lol so impractical, but it is what it is. As far as power, downpipe, chargepipe, exhaust, intake, jb4 or jb+ (n54 for jb+), and an intercooler, itíll be good to go.
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      07-20-2019, 09:48 AM   #19
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Also I would throw some lowering springs on just to make the increased power more useable. After I did my tune with everything else, it power the power down but not effectively. Once I did the bilstein and everything else I wanted to do, itís way more useable and stable with no tire slippage at all
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      08-04-2019, 01:22 PM   #20
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Quote:
Originally Posted by The Wind Breezes View Post
N54 is overrated. N55 has more reliable fueling and wastegate and doesn't build up intake deposits to the point where there is an issue. Both motors need stock turbo(s) swapped for "serious" power. Both motors can make gigantic power limited by fueling and tune with upgraded turbo(s).

N55 also comes with dual clutch which is good for hard driving with corners.
Quote:
Originally Posted by The Wind Breezes View Post
N54 is overrated. N55 has more reliable fueling and wastegate and doesn't build up intake deposits to the point where there is an issue. Both motors need stock turbo(s) swapped for "serious" power. Both motors can make gigantic power limited by fueling and tune with upgraded turbo(s).

N55 also comes with dual clutch which is good for hard driving with corners.
Not sure I agree the n54 is overrated. I have an n54 135i and an n55 x1. N55 is a great motor but I'm more worried about the N55 long term and it would take a turbo swap at the minimum to get it to where my stock turbos n54 is.
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      08-04-2019, 03:52 PM   #21
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Yeah cuz a stock turbos N54 is so fast. Not by 2019 standards. The power difference between the two on stock snail(s) is marginal enough it shouldn't be a buying criterion and both cars need bigger turbo(s) to get anywhere interesting. Oh wait I already said that.

Why are you more worried about N55 long term?
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      08-05-2019, 10:04 AM   #22
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Quote:
Originally Posted by Soterios View Post
It shouldn't take much. The typical "Stage 2" build should put you faster in a straight line than a stock M2.

-Charge Pipe
-Better intake (filter is fine)
-Intercooler
-Downpipe
-Tune
-LSD

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