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      12-02-2011, 10:09 AM   #1
Nate@IND
 
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E82 1M Exhaust system database

The 1M is still a fairly new car, and as always we want to do our best to ensure our clients are well informed prior to making any purchasing decisions. We took this photo of an OE BMW 1M exhaust system to showcase each component of the exhaust system and give 1M fans an idea of exactly what they are changing or replacing when purchasing a performance exhaust system.

Any vendors or 1M owners, feel free to post photos of your performance exhausts for comparison!


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      12-02-2011, 01:46 PM   #2
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Very thoughtful of you sir
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      12-02-2011, 01:48 PM   #3
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...just missing the catted factory down-pipes, correct?
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      12-02-2011, 02:36 PM   #4
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Quote:
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...just missing the catted factory down-pipes, correct?

Correct
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      12-02-2011, 07:28 PM   #5
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Nate, very helpful diagram! I was searching last weekend for an image like this and could not find anything. I was under the car a few days ago trying to figure out where the hangers and connectors were, and this makes it very clear.
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      12-03-2011, 01:30 PM   #6
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Many people are asking about 1M Akrapovic Exhaust system so here it is:

Akrapovic Evolution System



Connecting pipes and Down Pipes



Bypass Valve - Part of the Wireless Kit



Rear Muffler



Titanium Tips



Wireless Kit



Aleks.
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      12-03-2011, 03:01 PM   #7
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So the bypass valve allows two pipes to bypass he muffler completely? This means without the wireless kit you are only really exhausting through 2 pipes? Is that correct?
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      12-03-2011, 03:09 PM   #8
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Option 1. Full downpipe back Eisenmann Race performance
Option 2. Rear bolt-on section (bolt-on to OEM center pipe)
4x83mm Quad Round tips
Made in Germany
No cutting needed
http://www.m3post.com/forums/showthr...Eisenmann+tour


























Eisenmann E82 1M "Slip-on" rear section-




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      12-03-2011, 05:49 PM   #9
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Quote:
Originally Posted by Papethova View Post
So the bypass valve allows two pipes to bypass he muffler completely? This means without the wireless kit you are only really exhausting through 2 pipes? Is that correct?
Without the wireless kit the exhaust valves on the two outer pipes are shut but someone said with some work they can be removed. I used to have the capristo exhaust on my RS 4 and it open/closed valves with a remote. it is a nice feature to have especially if you live/work in noise sensitive areas.
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      12-03-2011, 08:42 PM   #10
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great thread!
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      12-04-2011, 04:09 AM   #11
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here the full downpipe back Eisemann Sport exhaust

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      12-05-2011, 01:48 AM   #12
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sorry for a noob question, but are there header mods for the n54?
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      12-05-2011, 01:49 AM   #13
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Awesome thread.
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      12-05-2011, 01:54 AM   #14
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Quote:
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sorry for a noob question, but are there header mods for the n54?
As in like Downpipes? Then yes.
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      12-05-2011, 02:17 AM   #15
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Thanks for the very helpful thread Nate as always. I see the Akrapovic Evolution set up is no joke.
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      12-05-2011, 11:19 AM   #16
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Supersprint/Evolve 1M Exhaust System

Here is the Supersprint System which can be specced with the SS TUV approved (pending) rear exhaust or the "Race" Evolve rear exhaust.

Downpipes - Decat



Front Pipes with 100 Cell Cats



Front Pipes with Cat Delete



Resonated Centre Pipe



Non Resonated Centre Pipe



TUV Rear Exhaust - can be fitted as bolt on without full system



Evolve Race Exhaust - can be fitted as bolt on without full system



Dyno Graph - Full System, 100 Cell Cats with Race Rear Exhaust. +15.4 HP and 18.9 Nm Torque.

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      12-05-2011, 05:58 PM   #17
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Milltek E82 1M (Downpipe back exhaust)

Milltek E82 1M (Downpipe back exhaust)
Pipe Diameter: 3.00" (76.20mm)
4x80mm Quad tips
Made in England









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      12-05-2011, 06:20 PM   #18
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Akrapovic Slip-on exhaust

Akrapovic Slip-on (100% Bolts on to OEM flange)
4x90mm Carbon or Titanium tips
Made in Slovenia

• Plus 5 HP (at 5,670 rpm)
• Plus 5 Nm / 4 lbs-ft of torque (at 3,100 rpm)
• 1 kg / 3 lbs. lighter than stock

Install PDF- http://www.akrapovic.com/typo3conf/e..._evo_optdp.pdf







4x90mm Titanium tips-


4x90mm Carbon tips-


Wireless kit-


New photos - Slip-on with Titanium tips




Videos-


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      12-05-2011, 06:40 PM   #19
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OEM downpipes vs. Akrapovic

OEM dp's vs. Akrapovic by Aleks

Quote:
Originally Posted by Alekshop View Post
We just installed Ahrapovic DPs and they are fantastic!

Very well made, 5.5lbs lighter than stock DPs (due to no cats), very easy to install, perfect fitment too









Aleks.


Akrapovic downpipe photos-














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      12-06-2011, 10:26 AM   #20
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Revozport "Raze" full downpipe back

Revozport "Raze" full downpipe back
Full Titanium
Made in China











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      12-06-2011, 10:38 AM   #21
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Lightweight Titanauspuffanlagen E82 1M

Lightweight Titanauspuffanlagen
Full downpipe and rear section (bolt-on flange)
Made in Germany

http://www.lightweight-titanauspuffa...ent/bmw_m1.htm





Rear section with bolt-on flange


Full downpipe back-


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      12-08-2011, 11:01 AM   #22
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AC Schnitzer E82 1M

E82 1M AC Schnitzer
Made in Austria
Rear section "cut and clamp"









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