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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Anyone running ER FMIC, DP, CP and JB4 together?

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      12-12-2014, 07:38 PM   #1
sergkoko
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Anyone running ER FMIC, DP, CP and JB4 together?

Thinking about adding the intercooler, downpipe and charge pipe to my jb4. Anyone have experience with how easy these are to install and how much power one could expect? Just trying to get as much info as possible before i click the shopping cart. Thank you in advance for the info
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      12-12-2014, 08:03 PM   #2
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I will have them all installed in the next few weeks...,I'll keep you posted if you can wait that long.
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      12-12-2014, 08:08 PM   #3
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Yup I'm running these as well as an intake and axelback exhaust. Had them installed at a shop locally. Charge pipe and intercooler being together makes it an easier install because if the intercooler is in is in the way of the charge pipe.
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      12-13-2014, 07:57 AM   #4
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Quote:
Originally Posted by sergkoko
Thinking about adding the intercooler, downpipe and charge pipe to my jb4. Anyone have experience with how easy these are to install and how much power one could expect? Just trying to get as much info as possible before i click the shopping cart. Thank you in advance for the info
From the easiest to the hardest, I would put it in this order.

1. JB4 - gives you about 40+ whp on Map 1
2. Chargepipe - gives you reliability and better boost delivery to the engine
3. Intercooler - gives you better air temp, which in result, constant power gain. Especially since you are in AZ, you will very much need it.
4. Downpipe - I put this as the hardest because you will need to crawl under the car. But if you have access to the lift, it is not as hard as the intercooler. Gain wise, about 20whp since it will let your turbo to spool faster.
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      12-13-2014, 08:20 AM   #5
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Thank you guys! Mteele let me know how it goes, imsure it will be a couple weeks before i get around to it.
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      03-12-2015, 12:46 PM   #6
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Quote:
Originally Posted by sergkoko View Post
Thinking about adding the intercooler, downpipe and charge pipe to my jb4. Anyone have experience with how easy these are to install and how much power one could expect? Just trying to get as much info as possible before i click the shopping cart. Thank you in advance for the info
Jb4 and charge pipe are really easy to install ( 2 / 10 )
Intercooler is average ( 4 / 10)
Downpipes is not hard but it is very time consuming (7 / 10)
You will gain the most power from the Jb4 ~40 whp
Charge pipe will add reliability
intercooler will keep your IAT low so you car is consistent and your JB4 can target higher boost resulting in more power
Downpipe will add a nice exhaust tone + ~25 whp over the ~40whp added by JB4 stage 1
Here are couple dyno graphs with different setup



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      03-12-2015, 02:22 PM   #7
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Quote:
Originally Posted by mike@x-ph.com
Quote:
Originally Posted by sergkoko View Post
Thinking about adding the intercooler, downpipe and charge pipe to my jb4. Anyone have experience with how easy these are to install and how much power one could expect? Just trying to get as much info as possible before i click the shopping cart. Thank you in advance for the info
Jb4 and charge pipe are really easy to install ( 2 / 10 )
Intercooler is average ( 4 / 10)
Downpipes is not hard but it is very time consuming (7 / 10)
You will gain the most power from the Jb4 ~40 whp
Charge pipe will add reliability
intercooler will keep your IAT low so you car is consistent and your JB4 can target higher boost resulting in more power
Downpipe will add a nice exhaust tone + ~25 whp over the ~40whp added by JB4 stage 1
Here are couple dyno graphs with different setup



Have you ever installed a chargepipe on a 2 series? Definitely not 2/10 difficulty.

Without a lift you need to remove front bumper and intercooler.
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      03-12-2015, 06:49 PM   #8
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Quote:
Originally Posted by sergkoko View Post
Thinking about adding the intercooler, downpipe and charge pipe to my jb4. Anyone have experience with how easy these are to install and how much power one could expect? Just trying to get as much info as possible before i click the shopping cart. Thank you in advance for the info
I have this exact config (JB4 and ER CP, DP, FMIC). I did the JB4 first, and several weeks later I did the rest in one go (one Saturday at a very leisurely pace).

The CP and FMIC are a little fiddly. The DP was really straightforward, pleasantly, surprisingly easy.

I think I'm at ~400WHP with those mods (and 100oct, which I run all the time).
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