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      11-22-2012, 08:57 PM   #1
mdrobc13
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Drives: '12 BMW 550i
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2012 BMW 550i  [5.00]
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F10 550i Eissenman Race Exhaust & Dinan Stage 1: My Impressions

Well after much time and waiting I finally received my Eisenmann exhaust from Germany and was able to set up installation of the exhaust and a few other mods I was planning. Once again I went with the guys at IND for my exhaust as they have proven great with 3 previous vehicles I have modded in recent years ('08 e92 M3, '10 e71 X6, and '06 Z4M roadster). So why change up in the middle of the game I ask? (http://www.ind-distribution.com/) Ordering from Nate@IND was great and they definitely helped work with me to figure out what I wanted in terms of fitment and look for the car even down to getting a set of Eisenmann Race pipes fabricated from Germany and shipped. Although SEMA and that wonderful M5 that IND is working on along with German Holiday schedules delayed things by a week or so...I was able to get my exhaust made and shipped in about 3-4 wks after ordering. These exhausts are not always in stock guys so make sure whomever you work with; they are honest with you about stock times and shipping times. I recall the SuperSprint for my old Z4M having to come from Italy and that took about 45 days! So make sure you ask up front! Just my advice here.

Plan was to install OEM rear spoiler and an OEM M5 rear difuser along with the Eisenmann Race exhaust by my shop Matrix Integrated, Portland, Or. Matrix has a good working knowledge on all things German and automotive (www.matrixintegrated.cc/) and go waay above and beyond the call when working with clients and their cars. Jeremy and his folk at Matrix will take the time to definitely get your car done right and properly the 1st time. So they were more than happy to handle my upgrades. The fact that they are also a Dinan authorized shop helped to as we somehow found a Dinan Stage 1 upgrade added to the To Do list along the way. Great honest/shop...great work!

So in short a few words about the Eisenmann Race exhaust. Gents the few clips on YouTube do NOT do the exhaust justice. In person it sounds awesome! Major problem with the OEM 550i is that it is soo quiet and refined. Hard to believe or feel that you are really in a v8 powered BMW that is making 400hp/450 torque when inside or outside the thing. Now that's more geared toward the luxury sports sedan that the market may be moving to but for enthusiasts like us...it can be rather disappointing. Yes I know its NOT an M car but it shouldn't sound like a Lexus either. So an exhaust upgrade is the only option for those of us who want a little more from their cars. The Eisenmann Race (there is a Sport version that is I believe 5 db quieter) definitely fixes this problem. No drone inside only the nice growl of the v8 going thru its gears and business! Outside and in the garage at start up..you definitely notice..its a different car! Start up now makes me smile and driving it I feel more like I am driving a sports sedan and true BMW. Having had numerous M cars I know the difference and while its NOT an M5; I understand that and made a conscious decision NOT to purchase one [M5] this time at that price point even when it was made available by both my dealership and military sales contact (in fact the 2013 M6 was also offered but politely declined). However the Dinan and Eisenmann does provide the balance I sought this time!

Sound Clip


Also since Matrix is about 180m south of me in Portland; I got to spend about 2.5 hrs with this exhaust on my way back home. This was definitely made much better with the last minute flash upgrade of the Dinan Stage 1 exhaust which we did prior to delivery! Now some of you may ask why not go Dinan Stage 2 or 3? Well for 1 looking at the upgrade you go from 400hp OEM to 483 hp Dinan S1 and 450 torque OEM to 580 torque Dinan S1 and the other Stages 2 just add 10hp increments but at $500-800 price deltas so I just didn't see the difference of going straight to Stage 2 or 3 at this time and also its close too the holidays so hey a budget DID exist guys! Sneaking the Dinan in was a feat at that (thanks for the extended 15% sale Dinan, that the other half doesn't read the forums, and that she likely cannot tell the difference between OEM and ANY Dinan Stage! LOL) But I did get home with my license and car intact although it was hard to keep her within the speed limit at times!

As for the rest of my upgrades. OEM rear spoiler fitment went perfectly. Looks great and I must say have no idea why it is NOT included with the M-sport package from the dealer and BMW-NA. Some in Europe say it is but my car didn't have it and felt it should as the M5 does come with it I believe. As for the M5 rear difuser upgrade...well that's where problems begin guys. IF you want to do it you must have the M-Sport rear bumper (check..have that one) however If you don't source an M5 OEM exhaust then you will need to check very carefully your fitment and alignment of your desired/chosen exhaust. This is because the rear valence outlets for the M5 tips are inboard of the OEM MSport valence by about 2-3 inches. This means that your exhaust will need to be able to be moved to be aligned with your outlet of the M5 valence. If your exhaust is too big this won't work. This is the case unfortunately with the Eisenmann Race for the 550i. The cans are so big that while the driver's side fits well/easily the passenger side has little tolerance and room to move it about to gain the needed space for the tips to exit. So without major modifications to the vehicle sub frame/wheel well IF you source an 550i Eisenmann exhaust or one of similar size fitment to an F10 M5 rear valence/difuser WILL not work. So make sure you inquire and measure the size of your desired exhaust FIRST if you plan on doing this retrofit guys. For me it was easier to go back to the OEM MSport rear difuser than to try cutting metal and/or modifying the Eisenmann exhausts themselves (which likely would not have worked and defeated the original purpose of upgrading the stock exhaust) so just a word to the wise. If you want an M5 rear then be prepared for alot of work and sourcing of parts OR guys buy an M5!

Otherwise the exhaust fits great and sounds awesome. Fitment as I said above had some issues but the Eisenmann matches up to the factory hangers without much difficulty or issues otherwise. OEM rear spoiler fits and looks great. Currently Matte Black 550i badging is on the way so should have that added by next week! Otherwise my 550i has also been lowered with H&R Sport springs and painted front reflectors and a CF front grille added. Will look to probably source out a new CF rear difuser to fit the MSport bumper later on (suggestions are welcome). Dinan Stage 1 is great and am sure Stage 2 will come sometime soon IF I can justify it (Is it any better or smoother for those who have done it?). Next up will be 20" Vossen VVS CV4 (can'd decide which finish tho - matte graphite, silver brushed, or machined silver-graphite http://www.vossenwheels.com/CarGalle...VSCV4-793.aspx) But will likely wait till the spring and end of winter here in the Pacific NW to do that since my current wheels were recently upgraded to Michelin Pilot Sport AS for the chilly winter stuff about 1 mo ago!

But we're getting there...but am definitely enjoying the upgrade! Enjoy the pics and write-up and hope this was helpful.
Attached Images
                   
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'12 F10 550i (Dinan Stage 5, LSD, Intercoolers, CF Intake/Brace, Shockware, Springs, Eisenmann Race Exhaust, CF front/rear difuser, Giovanni Graphite 20" wheels)
'10 e71 X6 35iDrive SAV (Space Gray) - Gone
'06 e85 Z4 M Roadster (Black Metallic) -Gone
'08 e92 M3 coupe (Sparkling Graphite) -Gone

Last edited by mdrobc13; 11-22-2012 at 09:42 PM.
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