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07-19-2013, 07:53 AM | #1 |
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BMW 135i N55 BEST CAI
What is the best CAI (Cold air intake) available for the 135i N55? Opinions and time spent will be greatly appreciated !
P.s. I'm starting to like the forums First forum I have ever been a part of is awesome lol |
07-19-2013, 08:17 AM | #2 |
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What are you trying to achieve with a CAI? There is a lot of debate on these forums about the gains of a CAI. It is likely that it won't give you much extra hp!
That been said, a lot of people here have the BMS intake. |
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07-19-2013, 10:46 AM | #6 | |
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Doesn't it suck all the heat from up under the hood? |
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07-19-2013, 10:55 AM | #7 |
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Agree. That is not cai. Open the hood after a normal drive from work and feel the cold air. If you are at the track then open the hood with your asbestos gloves.
Because of this my improved intake consists of a k&n in the stock intake.
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07-19-2013, 11:05 AM | #8 | |
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07-19-2013, 11:07 AM | #9 |
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Factory up into the 400whp range.
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07-19-2013, 11:31 AM | #11 |
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If the car is MOVING, there is no real difference on where you put the filter. Makes a difference only after the car has stopped.
The real difference is the length and volume of the tube. Changing those parameters will change the tuning effect it adds at different RPM's. A well designed intake can greatly increase the volumetric efficiency. Although, this is much less pronounced on a turbo motor. FI cars can actually have volumetric efficiencies above 110% due to finely tuned intakes. The charge entering the intake is actually 10% above atmospheric pressure. Very cool stuff. |
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07-19-2013, 12:13 PM | #12 |
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Agree to disagree. Engine compartment is fairly well sealed. Intake air temps measured by obd on my friends 335 were significantly higher using the bms. He loved the sound but removed the intake. The one may be different but I'm not willing to pay to find out.
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07-19-2013, 02:00 PM | #13 |
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I am trying to get to see if I can get as close to 450whp as possible without nitrous. I will use meth in the future and I know if I get the Burger Tuning meth kit I can hit the 450whp now but I wanna try without it first THEN add it and get more power lol Has anyone here ever heard of the Gruppe M intakes? Does the 3k sticker on them only exist because of the whole thing being made of carbon fiber? lol I don't have 3k to blow on an intake but I gotta admit its pretty dam bad ass when you pop your hood at Bimmerfest or with friends and they see that xD
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07-19-2013, 08:40 PM | #14 | |
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@Bimmerfest |
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07-19-2013, 11:37 PM | #15 |
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I am not a fan of intakes because even BMW said their $1000 intake is worth 3hp. That being said I would look to Drag Times for a clue as to what to buy. All the top 135/335 cars are running some form of a $100 DCI intake
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07-20-2013, 08:03 AM | #17 |
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Must not be much air movement under the hood of our 1er's.
I have done several tests on my racecars, placing temp sensors all over under the hood, in the fenders, etc etc. Above about 60 km/hr, they all showed around ambient temps, unless it was directly behind the rad. |
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07-20-2013, 12:43 PM | #18 |
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lol not sure how "sealed" it is but I have the afe cai on my n55. it was the 1st mod i did and it def helps a LITTLE bit with turbo spool and cooling. plus that sweet "whoosh" noise from the turbo
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RIP - E82 135i - 7/7/2021 |
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07-20-2013, 02:26 PM | #19 |
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I think I've just maybe had an odd occurance, I guess... everyone hates the aFe, but mine is fantastic, great space-shuttle whistle and a BIG boots between 3-4,000 RPMS... but most folks here ain't big fans....
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07-20-2013, 06:48 PM | #20 |
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yeah agreed. their 1st version of the cai for the 135i was TERRIBLE. the new coupler/seal is great, no issues since they sent me the new design for free...10,000 miles later happy as a clam
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RIP - E82 135i - 7/7/2021 |
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07-20-2013, 08:54 PM | #21 | |
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07-20-2013, 10:04 PM | #22 |
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You sure bro? Is there a video or link you can send me with the one that holds the record of those numbers? I'de appreciate it !
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air, cold, fast, intake, n55 |
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