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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 11-24-2013, 07:33 AM
hindswillrox hindswillrox is offline
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Location: Carmel Valley ca.
 
Join Date: Jun 2010
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Mein Auto: 1994 525i / 1999 porsche
BMS JB2 stage one and cone intake

I am looking into the JB2 and the BMS cone intake on my 2008 335I coupe auto trans, Are there dyno tests with this combo? I am not looking at drag times just more overall performance. Also is there an issue with water (rain) and the cone filters? Is the JB2 an on all the time mod and what will it do to the MPG when not driving hard?

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  #2  
Old 11-24-2013, 07:48 AM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
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Location: San Francisco
 
Join Date: Aug 2009
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Mein Auto: 2009 E93 N54
Quote:
Originally Posted by hindswillrox View Post
I am looking into the JB2 and the BMS cone intake on my 2008 335I coupe auto trans, Are there dyno tests with this combo? I am not looking at drag times just more overall performance. Also is there an issue with water (rain) and the cone filters? Is the JB2 an on all the time mod and what will it do to the MPG when not driving hard?

Forget cone filters; forget JB2.

You want JB4 and stock air filtration is excellent already. If you really want to spend more money, look into Meth or FMIC install.

Now then....have you considered your suspension?
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Old 11-24-2013, 07:50 AM
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CALWATERBOY CALWATERBOY is offline
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Oh, and expect 1+ mpg improvement.
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  #4  
Old 11-24-2013, 09:16 AM
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bear-avhistory bear-avhistory is online now
2014 435M-Sport Coupe
Location: NC - USA
 
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Mein Auto: 2014 435M-Sport Coupe
+1. Stock intake is good for 11.9/118 quarter mile runs, get the FMIC next instead. Disclosure: I currently have BMS/DCI on the car. Was doing some swapping around with charge pipes & they make it easier to get to the drivers side of the engine. Normally run with stock system & a drop in filter.
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2014 BMW 435M-Sport
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