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      07-13-2009, 05:47 PM   #1
645Nm
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Talking Bmw Performance Exhaust Review (pictures & Video)

The 335/135/535 community is spoilt for choice when it comes to exhaust modifications.
Sport or racing, cat-back, axle-back, single and quad mufflers, downpipes, mid pipes, straight pipes, catless or catted, complete exhaust systems, larger exit tips, stainless steel or black polished, to the rare titanium tipped ones.
Modifying the exhaust is probably the most important power mod to consider before anything else. During 2007, I saw a 335 coupe in Austria with an Eisenmann race exhaust and could never get the amazing raw and guttural sound out of my head and soul. It was “love of sound @ first sight" before performance but of course if one could get both even better!
Three months ago, I shopped around for the Eisenmann and was able to get a good price but eventually decided on the BMW performance exhaust, because even though I preferred the Eisenmann race version (it suited my personality) I was not sure if the family would be able to live with the loud, daring sound in the long term.
It took awhile to see and hear decent YouTube videos of the BMW performance exhaust but I read the excellent e90post BMW exhaust review and pulled the trigger: (http://www.bimmerpost.com/forums/showthread.php?t=234838&referrerid=43021).
In fact, YouTube videos of the BMW performance exhaust is not convincing and does not do justice to the unique sound. I compiled a few pictures and video clips and hope it will at least give an idea of what to expect.
Neither does the BMW international website have decent descriptions/pictures or reviews of their performance products especially of its performance exhausts and I think this is unfortunate for a company that supposedly spends so much on marketing its cars. The thumbnail picture and brief description of the BMW performance exhaust (on the BMW website) compared to the marketing of Eisenmann and other brands leave much to be desired.
On first sight the performance exhaust looks completely stock and does not “look” the heavy price tag. The mufflers and X pipes are not the good looking crafted polished types either such as Active Autowerke, Remus or even RissRacing.
Except for the corrosion resistant chrome-plated stainless steel tail tips everything else looks stock. The chrome tips are far more attractive compared to stock though, but are also the same size in diameter as the stock tips (80mm exactly; the stock outlet tips are just thicker). I would have preferred larger and more aggressive tail tips (101mm) to fill the diffuser openings more completely. For the adventurous: since the performance tips are the same as stock one could consider the Bimmian Dimisa aftermarket tips with 90mm and 101mm diameter – this could be interesting?
The performance exhaust comes with two silencers or mufflers (separated) and two mid pipes running from the second cats connected by an X pipe which replaces the stock resonator. The pipes are bolted together with 10 clamps (instead of flanges) which alone will set you back over $600 (R4,000).
The performance exhaust improves air and gas flow and reduces backpressure. BMW claims a weight saving compared to stock and when I held (tried) the two exhausts in my hands (one after the other) I could certainly feel the significant weight difference in favour of the performance exhaust.
The installation was done by my local BMW dealer and took about 2 hours. The stock exhaust had to be cut (after the second cat) to attach the new exhaust (see picture inserts) but is essentially a perfect fit.
The sound has been described as deep, moving and spine-tingling, with an aggressive engine note! Which is all true! But it is the beautiful sounds and tone through the rev range that excites; growling and roaring at low revs with howling crescendos at higher revs. There is zero drone in the cabin, just the pleasing sounds of the exhaust. At cruising speeds the exhaust sound is almost completely stock but wakes up with the slightest touch of the throttle.
Those with manual transmission will have fun tapping the throttle/revving at every occasion. The car is loud from the outside and can be heard from a long distance but is not annoying, just enough to draw attention. With an aftermarket DP the sound will certainly be much louder. The JB3 tune detects the performance exhaust and on map 6 the sound is louder (in cabin and outside) and simply amazing!
The car pulls stronger, which is very noticeable in DC mode with the rev needle zipping easily to 5000rpms. I have been driving it for two months and the exhaust has settled and opened up nicely.
This BMW performance exhaust system will NOT disappoint!
I am pleased with the performance of the exhaust but cannot really reconcile the BMW steep price compared with other quality performance exhausts on the market. And most other aftermarket performance exhausts are also complete units without the need for expensive clamps in between the mufflers and between the mufflers and the mid pipes.
I guess the BMW product warranty as well as its two year installation guarantee justifies the total cost.
Hmmm.....Okay, there are those moments when I am at a traffic light and a boy racer next to me revs up his tinny exhaust... that I wish (just briefly) I had the Eisenmann race sound to scare the hell out of him...
So enjoy the pics and video....
Attached Images
             
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REVIEWS: Bilstein B16 Ridecontrol//BMW Performance Exhaust//RPI Intercooler//Race Camara Mount

Last edited by 645Nm; 07-14-2009 at 06:02 AM.
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      07-13-2009, 05:50 PM   #2
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Here is a picture of the stock BMW exhaust..
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JB4. 15ohm /Catless DPs/BMS DCI/BHS Oil Catch Can/RPI FMIC/Bilstein B16/BMW Perf Exhaust/BMW Perf Rims 19'/BMW Perf Steering Wheel/BMS Meth Kit/CMGS Guage/BMS Speed Limiter Defeat/STETT Chargepipe & DV's/DREAMLIST:Upgraded Turbos
REVIEWS: Bilstein B16 Ridecontrol//BMW Performance Exhaust//RPI Intercooler//Race Camara Mount

Last edited by 645Nm; 07-14-2009 at 03:31 AM.
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      07-13-2009, 05:53 PM   #3
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Thanks
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      07-13-2009, 05:56 PM   #4
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Great write-up. I too greatly enjoy the BMW Performance Exhaust on my coupe - the sound is exactly what I had hoped it to be!
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      07-13-2009, 05:57 PM   #5
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Nice write up and pics.
Your decription of the sound and non droning is said by many and what I'm looking for in a system.
Looking forward to getting mine which is on order from Tischer.
You mentioned Dimisa tips.I did order 3.5" DiMisa tips this afternoon which I feel will look much better than the stock look.
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      07-13-2009, 06:02 PM   #6
645Nm
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Thanks guys. Now to get the videos up...
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REVIEWS: Bilstein B16 Ridecontrol//BMW Performance Exhaust//RPI Intercooler//Race Camara Mount
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      07-13-2009, 06:30 PM   #7
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Exhaust Videos

Sorry guys got too much flack...only two video clips remaining...

Exhaust revving:




A short clip of stunning tail-tip and exhaust still in the box:

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JB4. 15ohm /Catless DPs/BMS DCI/BHS Oil Catch Can/RPI FMIC/Bilstein B16/BMW Perf Exhaust/BMW Perf Rims 19'/BMW Perf Steering Wheel/BMS Meth Kit/CMGS Guage/BMS Speed Limiter Defeat/STETT Chargepipe & DV's/DREAMLIST:Upgraded Turbos
REVIEWS: Bilstein B16 Ridecontrol//BMW Performance Exhaust//RPI Intercooler//Race Camara Mount

Last edited by 645Nm; 07-15-2009 at 07:52 AM.
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      07-13-2009, 06:44 PM   #8
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the fin you have on the back is ...
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      07-13-2009, 06:59 PM   #9
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No, the M badge you have on the back is

Exhaust sounds great though!
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      07-13-2009, 07:06 PM   #10
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Great review, Sounds sick.

Now get rid of the M badge and that whale spoiler...
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      07-13-2009, 07:25 PM   #11
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Great review any videos!

Any way you could take one of the car in Manual mode? I think we'd get a better idea of how the exhaust sounds throughout the rev range that way. Leaving it in D or DS really kills the note when the car shifts.
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      07-13-2009, 07:29 PM   #12
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+1

Exhaust sounds good.

M badge doesn't fit at all, spoiler is just plain bad...But, if you like it I guess that's all that really matters..
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      07-13-2009, 07:47 PM   #13
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You are going to be flamed for the M badge. Just a warning.

Edit: Is that a sticker?
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      07-13-2009, 08:15 PM   #14
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that spoiler has to go and that M sticker or whatever as well. nice exhaust though sounds good.
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      07-13-2009, 08:28 PM   #15
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I am not completely sold on this exhaust....it looks so similar to the oem exhaust except for the lack of the resonator and the chrome tip but the hefty price tag is a turnoff..It does sound good and there is more of a rumble compared to the OEM exhaust, but nothing bone jarring. I mean really any exhaust will sound better if you took off the resonator!!!...That wing is definitely different, although I am not sure it works well with our cars....The M badge is down right bad!
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      07-13-2009, 08:35 PM   #16
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I'm in the same boat as you. I can't decide between the eisenmann race and BMW Perf exhaust. The eisenmann race is by far the best sounding exhaust but it's going to drone really badly in an AT. Does this exhaust ever sound too tame?
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      07-13-2009, 08:46 PM   #17
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Quote:
Originally Posted by Topless 335i View Post
I'm in the same boat as you. I can't decide between the eisenmann race and BMW Perf exhaust. The eisenmann race is by far the best sounding exhaust but it's going to drone really badly in an AT. Does this exhaust ever sound too tame?
I have the CPE exhaust on my E93 AT and it sounds amazing to the point where I really don't listen to music anymore! AE also has an exhaust that is similar which is made for the E93 which has a slight almost non-existent drone...I would think the BMW Perf exhaust after listening to one would be too tame for me...it has almost a raspy tone to it and not the deep throaty note that most people would want! This is my opinion on this exhaust, while others will love the shit out of it, for me after hearing it in person, I wasn't too impressed with it and the high price tag...I think you should find someone with the exhaust and hear the exhaust before going forward with the purchase...
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      07-13-2009, 08:49 PM   #18
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please for the love of god take that sticker off your car

I didnt see the wing, but it cant be as bad as the M badge.

it is a nice exhaust.
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      07-13-2009, 08:51 PM   #19
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Quote:
Originally Posted by Sniz View Post
please for the love of god take that sticker off your car

I didnt see the wing, but it cant be as bad as the M badge.

it is a nice exhaust.
Take another look!
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      07-13-2009, 10:03 PM   #20
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Quote:
Originally Posted by Sniz View Post
please for the love of god take that sticker off your car

I didnt see the wing, but it cant be as bad as the M badge.

it is a nice exhaust.
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      07-14-2009, 12:45 AM   #21
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thanks for the review of the exhaust! Any noticeable drone from inside the cabin?
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      07-14-2009, 02:25 AM   #22
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that spoiler is just wow ... man
i always that that the performance exhaust is just section 3.
but is that the section 2 also?
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