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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 > loss power after installed intake?



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      01-21-2009, 09:24 PM   #1
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loss power after installed intake?

i currently used a simota intake for few weeks and eisenmann race for around year.but today when i drive my car feel loss power,pull hard than usual.and the intake sound r not loud than in usual(mostly sound will loud on almost 3000rpm)but after turn off the car and start again.the car is turn back to normal.all i feel is something like have something blocked the intake,but i believe it's impossible.is anyone have this problem?wish u guys can help.
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      01-21-2009, 09:37 PM   #2
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I have had this problem before. Does it feel like the car revs a few hundred rpm by itself and well rev's very slowly as well. Revs a little during shifts 2?
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      01-21-2009, 09:44 PM   #3
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Quote:
Originally Posted by ah gon View Post
i currently used a simota intake for few weeks and eisenmann race for around year.but today when i drive my car feel loss power,pull hard than usual.and the intake sound r not loud than in usual(mostly sound will loud on almost 3000rpm)but after turn off the car and start again.the car is turn back to normal.all i feel is something like have something blocked the intake,but i believe it's impossible.is anyone have this problem?wish u guys can help.
maf problem?? i dnt have an intake yet but on previous cars of mine that happened with a bad maf sensor? hope it helps gl
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      01-21-2009, 09:46 PM   #4
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Quote:
Originally Posted by umcool911ok View Post
I have had this problem before. Does it feel like the car revs a few hundred rpm by itself and well rev's very slowly as well. Revs a little during shifts 2?
no.....just feel the rpm not going fast than usual when i rev. my car.also,start drive at 1st gear feel the car loss power.like the air cond. turned on but that's not.forgot to mention,i didn't warm up my car and have a high rev. right after.
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      01-22-2009, 02:30 PM   #5
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up.....anyone has this problem?
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      01-25-2009, 10:39 AM   #6
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Majority of aftermarket Intakes for the n52 show in their DYNO's that there is a slight loss of Engine Horse Power in the lower RPM's. The real gain is in the higher RPM's, so if you wanna feel the power start the car in 1st gear every time and shift at 5k rpm every time. I have had several aftermarket Intakes for the e90 n52, and know exactly what it is lol. If you want sound just get the BMW performance exhaust buddy.
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      01-25-2009, 11:46 AM   #7
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Quote:
Originally Posted by sirantsE90 View Post
maf problem?? i dnt have an intake yet but on previous cars of mine that happened with a bad maf sensor? hope it helps gl
i found that the connector to the maf senor of the intake they look like not tight.now i used the tape to tight the connector.now i haven't have the problem again for now.my friend told me i maybe in (lim mode?),so the car totally loss power.but they turn back to normal after restart again.
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Originally Posted by chesterfan1230 View Post
Majority of aftermarket Intakes for the n52 show in their DYNO's that there is a slight loss of Engine Horse Power in the lower RPM's. The real gain is in the higher RPM's, so if you wanna feel the power start the car in 1st gear every time and shift at 5k rpm every time. I have had several aftermarket Intakes for the e90 n52, and know exactly what it is lol. If you want sound just get the BMW performance exhaust buddy.
for my simota,i don't really feel loss power in lower rpm...maybe they loss very little so i can't feel it.
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      01-25-2009, 06:36 PM   #8
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Yea it's low. But then again
Any time I install my OEM Intake even with a small gap, I feel it lmao.
I guess i"M jt really sensitive.
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