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      12-15-2008, 05:48 PM   #1
a l l a n
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Drives: E90 2007 328xi
Join Date: Dec 2006
Location: LIC NY / Central NJ

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2007 E90 328xi  [0.00]
Another BMW performance exhaust + intake happy owner

Just received my BMW performance exhaust and intake today. I ordered it Friday morning and got it Monday afternoon. to Jason/Evan @ Tischer.

Too bad I won't see it until Friday night.

I'll post more pics (uninstalled and installed) and possibly videos/audios in the next week or so.

11-Jan Update

Exhaust sound on engine start, pull out and low-speed drive by

Watch in HD


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23-Dec Update #1

Intake DIY
http://www.e90post.com/forums/showthread.php?t=195658
Please note of the new link/thread. I couldn't edit the existing incomplete DIY so I created a new one.

22-Dec Update #2

Spirited driving / cabin sound video
This is how it sounds like from the inside. Unfortunately though the video did not quite pick up the true sound level as I used a 10-year old video cam. The real sound is definitely louder.

Sorry, I had to blur it. I wasn't speeding but this is to make sure I don't get in trouble.

Watch in high quality


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22-Dec Update #1

Short Review

Exhaust break in period (IMO)
At least 2 hrs of driving. The sound gets better after roughly 2 hours of driving. Then it gets better the following day.

Performance gain!
On paper, there should be around 5-9hp at 5K gain for the intake and exhaust combined. (Feel free to correct me if I'm wrong here). I can't quantify the real world gain but I think that my car has become much quicker and more responsive (I drive in DS or manual mode). Add the beautiful and racy exhaust note to the mix and you'll feel like you're driving an even more faster car. Best mod ever for me and a must-mod for compatible NA bimmers.

BMW Performance Exhaust (for 328) vs stock 335 exhaust
No doubt the performance exhaust note is nicer and louder (in a good way) than the stock 335 exhaust

Fuel consumption
Driving style for this review
Conservative highway driving mixed with a couple of mildly spirited ramp entries

Variables
Avg MPG: 28.3
Top MPG: 30.5
Avg RPM: 2.5K (2.3K to 2.7rpm range)
Avg Highway Speed: 70-75mph (5-10 over speed limit)
Local drive: 10 miles
Highway drive: 55 miles
Total miles: 65 miles
Route: South central NJ to NYC
Note: I reset the MPG meter before I started driving
Exhaust note from the cabin/inside
It's definitely much more apparent from the cabin/inside. It will keep you smiling like a fool. And the moment you accelerate, the exhaust note lets out a nice growl from any rpm.

Drone
No droning at all.

Enhaust note on start up
It's a beauty. Check out the video below.


21-Dec Update #2

Exhaust Video

0 to 5K rpm revs

YouTube High Quality video link


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21-Dec Update #1

Exhaust Pics

Pre-install
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Post-Install
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__________________
E90 2007 / Step / Montego Blue / Black Dakota Leather / Premium / Cold Weather
MODS
: Exterior: Blacklines, debadged, HO ceramic 35% tint, Hoen yellow fogs, matte black grille, OEM style splitters, Halogen-to-Xenon Interior: Alum pedals, CF wrapped trim, V1 and Nuvi hardwire, M-Tech tri-stitched wheel, SMG M5 shift knob Performance: AluFelgen CSL 19" 8.5 ET33/9.5 ET30 with 5mm rear spacers | GY Eagle F1 Asym 235/265, KW V3, BMW Perf exhaust+intake

Last edited by a l l a n; 01-11-2009 at 08:56 PM.