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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Proof that the Fujita intake SUCKS



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      04-30-2006, 12:45 AM   #23
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Quote:
Originally Posted by 06E90Rostik
You're right I am new. Just don't understand why would people spend big money on mods that actually take away power? Again I'm new to all this mods thing

hahaha

Do you really think I did this to loose power?

Come on man
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      04-30-2006, 12:56 AM   #24
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oh dear....
obviously hunter expected to gain (even if minimal) power out of this mod, and he's doing the E90 community a favor by posting his findings so that in the future, potential buyers of this intake can make up their own mind if this mod is worth it or not

Quote:
Originally Posted by 06E90Rostik
You're right I am new. Just don't understand why would people spend big money on mods that actually take away power? Again I'm new to all this mods thing
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      04-30-2006, 01:01 AM   #25
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OK guys thanks for clarifications. I just couldn't believe his car was at 170. In fact my first thought was 170 gain, damn he wants more? I thought you were expecting more and was disapointed.

Anyhow thanks, what are you going to do with intake? return? just curious
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      04-30-2006, 01:04 AM   #26
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Quote:
Originally Posted by 06E90Rostik
OK guys thanks for clarifications. I just couldn't believe his car was at 170. In fact my first thought was 170 gain, damn he wants more? I thought you were expecting more and was disapointed.

Anyhow thanks, what are you going to do with intake? return? just curious
i was fucked over, i would like to get my money back, unfortunatly i feel fujita scammed us...but im going to try and return it the nice and polite way.. as professional as possible, but we will see how far that goes...
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      04-30-2006, 01:05 AM   #27
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Rostik, it's not unfathomable that the rhp of 325 is 170, but again cautions should be noted when reading numbers from dynos, as many factors can affect the output number.
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      04-30-2006, 01:05 AM   #28
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Well

I am going to try to use these dyno graphs I am getting as proof to Fujita that their product is bad and that we deserve our money back
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      04-30-2006, 01:07 AM   #29
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hunter, didn't you try to return it and Fujita wouldn't take it back?
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      04-30-2006, 01:08 AM   #30
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cool, that's a good idea hunter! they'll probably say that the dyno you ran on is $hit though haha
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      04-30-2006, 01:15 AM   #31
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Good luck with returning those. You guys should learn a lesson from this: DONT MOD ENGINE

Mod Xenons/Wheels/Body kits if you will
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      04-30-2006, 04:00 AM   #32
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Hunter399 - thx for sharing ur findings on the fujita intake with us. ignore those who are talking smack about it. i know you are doing us a favor.

And for those who do not understand why the 325i makes 170hp. remember that the 215hp for 325i and 255hp for 330i are not horsepower at wheel! they are numbers that the engine makes, but when they get transfered on the wheel, they will lose a significant amount of power!
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      04-30-2006, 10:10 AM   #33
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Quote:
Originally Posted by n1smo
170WHP is about right for a 215hp engine especially for an auto. I dyno'ed my 5spd manual 00' Maxima which had 222hp at the crank and got 180hp at the wheels. As far as intakes go, they are only good for making noise. It really depends on how unrestrictive the stock intake is and apparently the 325's is pretty unrestrictive. From experience, most intakes add no more than 5whp.

word!
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      04-30-2006, 10:31 AM   #34
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Ever since the m52tu, the BMW intakes have been fairly well tuned and its nearly impossible to gain anything from an intake swap, and as akhbhaat mentioned its not uncommon for some cars to loose power from an improperly engineered intake design.

Basicly just as a PERSONAL rule of thumb. I would never buy one from a company that doesn't know the ins and outs of BMW cars, since they aren't hondas where you just take some PVC pipe and stick it on there. Designing something as simple as an intake on a BMW takes alot of work, you have to go over all the factors that BMW has gone over (reducing turbulent flow, heat shielding, etc), its not as simple as just attaching an easier breathing filter to a big pipe.

Now with the 325i we have a unique opportunity of extracting some real extra power from it, but I think to do it, one has to do a complete tuning job (ie. intake, manifold, software) and have them work in concert to get that extra power that the engine is hiding from us.

Just my .02cents
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      04-30-2006, 10:58 AM   #35
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This brings into question that if the 325i and 330i intake manifolds are different, why not consider swapping them? I'm curious to see what the difference is. I also wonder if the air mass flow sensor is different.

With the stock air intake, the air mass sensor seems to fit snuggly in a rectangular opening as if there were a rubber grommet or rubber O-ring (going by recollection here). On the aftermarket intake, the hard plastic air mass sensor sits atop a hard surface and is tightened down with allen bolts, which would seem easier to leak air. The tube diameter of the intake manifold inlet is greater than the diameter of the air intake pipe; yet, the short rubber connector on the aftermarket part is the same diameter on either side. This is not the case with the BMW adapter. Any leakage of air could significantly affect your performance.

Hunter, what did you think of the installation? Did you do it yourself?
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      04-30-2006, 11:19 AM   #36
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If you guys want performance, just buy the upcoming 335i. Stop wasting your money on little stuff that don't put a grin on your face. Good luck and have fun with your car, I am. Ciao
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      04-30-2006, 11:23 AM   #37
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The install wasent bad because I did it with another friend

took us about 20-30 minutes to get it right


Im probley going to put my stock one back today
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      04-30-2006, 11:57 AM   #38
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i see a lot of honda comparisons here, even from my "honda" days, i learned early that its easy to gain some horsepower from an intake and exhaust for many reasons. 1 reason being, honda and other manufactures sometimes sacrifice a few horsepower for a "more quiet" engine noise and road noise. im not SAYING that bmw being a more "luxury"car, and a ton of bmw owners wanting to have a more quiet ride, bmw would do the same thing.. but is it possible, that just like other manufacturers, bmw sacrificed a few horsepower to make a more quiet cabin?
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      04-30-2006, 12:00 PM   #39
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Quote:
Originally Posted by hunter399
The install wasent bad because I did it with another friend

took us about 20-30 minutes to get it right


Im probley going to put my stock one back today
You know what?...People should appreciate you for doing this. From your experience, others will not make mistakes on buying things like this. Thanks for sharing.
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      04-30-2006, 12:04 PM   #40
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Quote:
Originally Posted by BMW0
If you guys want performance, just buy the upcoming 335i. Stop wasting your money on little stuff that don't put a grin on your face. Good luck and have fun with your car, I am. Ciao
Oh okay. So it's less of a waste of money to trade up and sustain the depreciation on an existing car that is 1 year old?
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      04-30-2006, 12:07 PM   #41
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Quote:
Originally Posted by 06E90Rostik
OK guys thanks for clarifications. I just couldn't believe his car was at 170. In fact my first thought was 170 gain, damn he wants more? I thought you were expecting more and was disapointed.

Anyhow thanks, what are you going to do with intake? return? just curious
Oh Lord....170 is whp (wheel hp), not engine hp and should not be compared with declared engine hp. Even though 325i has 215hp on paper, it'll probably get below 200hp on the Dyno.
Again, it's been discussed before that even same brand of Dynos don't give the same result.
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      04-30-2006, 12:22 PM   #42
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Quote:
Originally Posted by Pretender
Oh Lord....170 is whp (wheel hp), not engine hp and should not be compared with declared engine hp. Even though 325i has 215hp on paper, it'll probably get below 200hp on the Dyno.
Again, it's been discussed before that even same brand of Dynos don't give the same result.
What is the efficiency loss on the step and the manual gearboxes? Some of the cars I've dealt with in the past have as much as 25% loss. You need to know this in order to derive bhp from the dyno.

I haven't seen anyone post numbers for a 330i MT for instance. Once I get to 7000 miles on the odo I plan to do this myself. This will be the baseline number I will use in case I ever mod the car which is highly unlikely.
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      04-30-2006, 12:55 PM   #43
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Quote:
Originally Posted by ek9hatch00
when you pay 300 something for something that barely makes your car faster..thats stupid..thats whats wrong...and dont try to act smart
FYI it made his car slower.
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      04-30-2006, 01:03 PM   #44
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So does this same info apply also to the Britalman? Because thoughts were passed around that they were pretty similar...any one believe similar results will appear?
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