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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > M235i VRSF Downpipe fits on M2 - plus turbo internal pics

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      04-28-2016, 01:12 PM   #23
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Wow... Sounds good, glad to hear no rasp at all
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      04-28-2016, 02:53 PM   #24
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Now this is how you make a turbo engine sound, thank you BMW, for getting this right on the M2. Sounds great with the DP's, but I know two engines I would put ahead of it (S85/S65)
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      04-28-2016, 03:20 PM   #25
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Sounds great! Where in OH is this car?
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      04-28-2016, 03:20 PM   #26
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Nice install.

In general it's a good idea to run a tune when adding parts that affect AFRs. The car is spoiling faster now, who knows if timing is being pulled or knock is happening. Then again the ecu may have the resolution to adjust for this over time or learn...no idea.
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      04-28-2016, 03:35 PM   #27
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Sick! So will any n55 DP fit on an m2? Also do you have a manual or dual clutch?
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      04-28-2016, 03:50 PM   #28
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Quote:
Originally Posted by comacow02
Sick! So will any n55 DP fit on an m2? Also do you have a manual or dual clutch?
I think this confirms it-but 4".
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      04-28-2016, 03:56 PM   #29
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Quote:
Originally Posted by comacow02 View Post
Sick! So will any n55 DP fit on an m2? Also do you have a manual or dual clutch?
M235 DP N55 will fit yes

shivaswrath u getting one?

paradoxical3 going to dyno it or drag it ?
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      04-28-2016, 04:02 PM   #30
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Dude......
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      04-28-2016, 04:02 PM   #31
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Quote:
Originally Posted by ROBNYC
Quote:
Originally Posted by comacow02 View Post
Sick! So will any n55 DP fit on an m2? Also do you have a manual or dual clutch?
M235 DP N55 will fit yes

shivaswrath u getting one?

paradoxical3 going to dyno it or drag it ?
Lol no, I'm kicking ass in my "old" 335i :
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      04-28-2016, 04:07 PM   #32
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Wow sounds FANTASTIC
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      04-28-2016, 04:57 PM   #33
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Quote:
Originally Posted by paradoxical3 View Post
Added to first post! It changes everything, this is with stock exhaust - not M performance. It's one of the best sounding BMWs I have ever heard, including the S65 V8.
Sounds much better in person..Love the Turbo Spool up/down sound with it.
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      04-28-2016, 06:09 PM   #34
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Sounds amazing sounds close to how an m235 with Catless downpipe (not really surprising) does sound meaner at idle then mine tho, I love it!

Also curious if the turbo is upgraded over regular n55, hoping it is
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      04-28-2016, 06:13 PM   #35
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      04-28-2016, 07:03 PM   #36
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nice was it hard to do
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      04-28-2016, 07:14 PM   #37
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Can we get more videos pleaseeeeeee
Sounds so goooodd
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      04-28-2016, 07:53 PM   #38
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Sounds awesome!
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      04-28-2016, 09:50 PM   #39
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Quote:
Originally Posted by paradoxical3
Quote:
Originally Posted by LBBDrew View Post
Sounds awesome mate! Have you heard the MPE in person? How does this compare?

Increased drone with the DP?
I actually have heard the MPE in person. This is louder with more crackles and backfires. It is similar in character.

There is slightly increased drone in sport and sport+ mode, in comfort mode there is no drone.

I am actually pretty surprised what a difference this made, the turbo spool is insane. You can hear the turbo both spool up and spool down from inside the cabin. I had a catless downpipe on my previous N55 car and the M2 sounds completely different and way better.
What about tune is it throwing codes just the catless downpipe or is it okay? I'm waiting cuz I want s tune to this and MPE will be sick
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      04-29-2016, 12:25 AM   #40
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Neeeed better videos....I keep watching this one over and over LOL

I can not wait to hear this with a pure stage 2 or similar option!!
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      04-29-2016, 01:38 AM   #41
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Quote:
Originally Posted by Anderw
Sounds amazing sounds close to how an m235 with Catless downpipe (not really surprising) does sound meaner at idle then mine tho, I love it!

Also curious if the turbo is upgraded over regular n55, hoping it is
According to the technical training document the only difference listed from the M235i turbo is the electronic wastegate actuator taken from the N20 engine
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      04-29-2016, 02:14 AM   #42
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Holy shit that downshift!!
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      04-29-2016, 05:14 AM   #43
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Can't imagine how it will sound with a different intake, muffler delete or better aftermarket exhaust. It already sounds magical with only the downpipe.
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      04-29-2016, 06:16 AM   #44
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so the ER catless will also fit?? I haven't gotten rid of mine yet...
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