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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 > whether intake or exhaust.....ecu??



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      09-19-2006, 02:58 PM   #1
soulkj
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whether intake or exhaust.....ecu??

hello, i drive a 330i sp(step, euro) and im planning to install an intake and an exhaust in the future. i just have a few questions in hope that someone could help out.
do i need to do anything to the computer after i install an intake and/or an exhaust? (in order for the car to adjust)

what is the best mod for the car (in terms of increasing horsepower) keeping in mind that i dont live in the us?

thanks
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      09-19-2006, 03:01 PM   #2
AW330i
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neither one will require you to do anything to your ecu and I think that intake probably gains more power if you get the right one.
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      09-19-2006, 03:04 PM   #3
soulkj
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Quote:
Originally Posted by AW330i
neither one will require you to do anything to your ecu and I think that intake probably gains more power if you get the right one.
i was thinking of the K&N intake? what do you have and what do you recommend?
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      09-19-2006, 03:15 PM   #4
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I have the gruppe m which uses a k&n filter. I love the gruppe m and personally would not have gone with anything else, it is pretty pricey though...
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      09-19-2006, 03:28 PM   #5
soulkj
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Quote:
Originally Posted by AW330i
I have the gruppe m which uses a k&n filter. I love the gruppe m and personally would not have gone with anything else, it is pretty pricey though...
does it increase horsepower? is it proven by any dyno?

i had actually installed an OMP filter, it gave the car a little extra sound, thats all and then the car started stalling ,so i took it off immediately and put the original back in, thats the reason for my initial question about the ecu, i had suspected that the cars ecu rejected it or something.
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      09-19-2006, 04:27 PM   #6
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Quote:
Originally Posted by soulkj
does it increase horsepower? is it proven by any dyno?

i had actually installed an OMP filter, it gave the car a little extra sound, thats all and then the car started stalling ,so i took it off immediately and put the original back in, thats the reason for my initial question about the ecu, i had suspected that the cars ecu rejected it or something.
The Gruppe M is dyno proven at something like 6rwhp gain and 9 lft/lbs
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