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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Downpipes Or FMIC



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      08-01-2016, 11:51 AM   #1
N54Angel
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Downpipes Or FMIC

Buying from
http://www.armmotorsports.com/category-s/107.htm

Everyone starts somewhere. Now my question is what should I get 1st and how much in labor. (Just a guess) I have a 2008 BMW 335XI. Idk if the downpipes are worth it more or FMIC. Thanks in advance
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      08-01-2016, 11:55 AM   #2
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Fmic first if you live in a hot area, downpipes when it's cold most of the time
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      08-01-2016, 11:58 AM   #3
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I live in Denver co weather is not to bad. It's all in between. In terms of labor work, any estimate on how much? And how much HP I'll be gaining. They claim 25HP for both
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      08-01-2016, 12:03 PM   #4
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Anything on an Xi is going to be a bit more labor than a non xi. I'd go with a FMIC. Just more consistent and cooler IAT's to help from timing pulls.
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      08-01-2016, 12:04 PM   #5
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Quote:
Originally Posted by puppydax
Anything on an Xi is going to be a bit more labor than a non xi. I'd go with a FMIC. Just more consistent and cooler IAT's to help from timing pulls.
Yea, I was thinking about that too. Would the FMIC help anything at all for oil temps to be a little bit low?
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      08-01-2016, 12:29 PM   #6
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depending what tune you have, I have cobb tune so for stage 1, I needed FMIC for stage 2, I needed DP.
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      08-01-2016, 12:33 PM   #7
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Both. Start with down pipes.
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      08-01-2016, 12:36 PM   #8
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If your thinking about doing 5" intercooler you probably wont notice a difference. I would go with the 7" intercooler.
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      08-01-2016, 12:39 PM   #9
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FMIC 1st.

DPs 2nd.

Wont matter if you have DPs or not when youre heatsoaked.
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      08-01-2016, 12:59 PM   #10
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^ exactly. Tune or not, FMIC will prevent timing pulls from heatsoak.
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      08-01-2016, 01:43 PM   #11
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The downpipes in the website you are showing won't fit an xi
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      08-01-2016, 01:48 PM   #12
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Quote:
Originally Posted by Underground6t9 View Post
If your thinking about doing 5" intercooler you probably wont notice a difference. I would go with the 7" intercooler.
Not true.

The 5" stepped make a difference. I did some before/after logs. The IAT with the stock FMIC would go up to 160°F after a pull in 3r/4th with ambient temperature around 75F, along with some severe timing pulls.

With the VRSF 5" stepped FMIC, the IAT would not go over 120/125°F in the same conditions, and no timing pull.
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      08-01-2016, 02:20 PM   #13
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i would get an Intercooler first but since you are looking at a low quality FMIC you are probably off getting downpipes first
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      08-01-2016, 02:22 PM   #14
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Quote:
Originally Posted by mike@x-ph.com
i would get an Intercooler first but since you are looking at a low quality FMIC you are probably off getting downpipes first
Why do you say low quality? I mean everyone starts somewhere?
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      08-02-2016, 03:29 AM   #15
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I live in Denver and I have dci, jb4, ams fmic, and active auto charge pipe and bov, the fmic imo was a great noticeable difference. My friends cars are all fbo and for some reason my car is faster than theirs, I noticed this when I put my fmic on.. I would go with the fmic ,you wont be disappointed.
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      08-02-2016, 03:54 AM   #16
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Why is everything so cheap on that site?? Downpipes plus charge pipe for 340$? Wow wow. Lol can someone please comment about the quality? I'm very curious if these will last
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      08-02-2016, 07:03 AM   #17
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Quote:
Originally Posted by ArweenX1 View Post
Why is everything so cheap on that site?? Downpipes plus charge pipe for 340$? Wow wow. Lol can someone please comment about the quality? I'm very curious if these will last
You know the old saying "you get what you pay for".
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      08-02-2016, 07:35 AM   #18
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      08-02-2016, 08:04 AM   #19
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Quote:
Originally Posted by Underground6t9 View Post
You know the old saying "you get what you pay for".
Absolutely not true. I have used quite a few of ARM's products on my sons GTI with great success. I have ordered top of the line components for my Audi only to be disappointed when they arrived because of the poor craftsmanship. I will say this much everything I have ordered from this company has been spot on, granted it was for my sons VW but that really should have no bearing on the end product.
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      08-02-2016, 08:40 AM   #20
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Quote:
Originally Posted by engineer73 View Post
Absolutely not true. I have used quite a few of ARM's products on my sons GTI with great success. I have ordered top of the line components for my Audi only to be disappointed when they arrived because of the poor craftsmanship. I will say this much everything I have ordered from this company has been spot on, granted it was for my sons VW but that really should have no bearing on the end product.
General speaking its true. Their are some exceptions to the rule.
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      08-02-2016, 09:05 AM   #21
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When you buy an FMIC, you should really buy the charge pipe too.

The next step after both of those is to get a better cold air intake system than the one that is stock on the car.

If you go with a 7" VRSF, you can save money but, you'll be doing some cutting with a Dremmel in order to make it fit most likely.
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      08-02-2016, 09:15 AM   #22
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I already have a Chargepipe with tail BOV and BMS dci
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