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      06-20-2011, 03:31 AM   #1
al1
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BMS DCI

I installed the dual cone intake and drove the car about an hour or so to see how it is. Overall it is very beneficiary. It sort of minimized turbo lag between shifts and added up some power that you can actually feel. In addition, there is this really nice sound on high raves due to extra air induction.

My only concern is about the engine temperature. Before the installation, it used to sit right below 100 C but now it is up to 120 and at wot it goes maybe little bit above that. I dont know if that is going to have any negative impact, I am going to observe for a while .. but man I loved the sound it ...

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      06-20-2011, 05:18 AM   #2
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In the long run you lose power due to heat soak. It has been logged and proven in the E90/N54 section of the forums but if you like the sound the car makes and dont mind minimal power losses then stick with them
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      06-20-2011, 05:36 AM   #3
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hmmm definitely i would mind any power loss.. but now it feels more powerful than before :S i might be wrong as well, i guess gotta see after driving it for a while
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      07-05-2011, 02:53 PM   #4
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How much power loss?
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      07-05-2011, 05:55 PM   #5
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Quote:
Originally Posted by sDrive35i View Post
How much power loss?

If you are running low boost in city driving there is a slight power loss. But you gain a good amount in high boost applications. If you run methanol you should be running the dci because the stock intake is a bottle neck.
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      07-06-2011, 04:59 AM   #6
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after driving it couple weeks, i havent noticed any power loss. i drive mostly in the city for short distances and my car is bone stock except the dci...
but i gotta admit the sound of the intake is nice. it is not too loud but at high rpms it is sweet..
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      07-10-2011, 07:25 PM   #7
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Quote:
Originally Posted by al1 View Post
after driving it couple weeks, i havent noticed any power loss. i drive mostly in the city for short distances and my car is bone stock except the dci...
but i gotta admit the sound of the intake is nice. it is not too loud but at high rpms it is sweet..
why not get a tune?
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      08-21-2011, 06:46 PM   #8
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Tune it! and youll definetly make use off the DCI.
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      09-01-2011, 09:57 PM   #9
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Doesn't hurt to provide some additional fresh air to the DCIs.
http://performanceunlimited.com/cobr...n/ductfan.html

The smallest fan ( I have not purchased yet) will help with a delivery of 140 cfm. Again, it doesn't hurt to provide more fresh air, whether you "pump" it to the filters or allow ram-effect at speed. Increase of air mass is the power provider and the FMIC is in place to handle the real heat load.
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      09-02-2011, 08:52 AM   #10
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cool setup, how stable is the hose by the intake side?
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      09-02-2011, 10:58 AM   #11
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Thanks for naming it "cool set-up". The 8" collector at the inlet has a bracket attached to the 10mm bolt for one of the horns and there is foam around top, bottom and outboard sides of collector. Stable. I set a fan on the ground in front of the inlet and was encouraged with the 2 1/2" hose flow.
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