05-26-2016, 11:20 PM | #1 |
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It Finally Happened
Well, after a long time of using the BMS Intake with no problems, I finally just started to experience the common problems with it today. The cold starts caused bogging, the idle was really low, and my car has even stalled twice. So, I am reverting back to the OEM intake tomorrow with the K&N drop in filter. Bye Bye wonderful intake noise
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05-26-2016, 11:28 PM | #2 |
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Sorry to hear, I haven't had any issues with the Dinan Intake. I haven't seen anyone thus far that has to my knowledge.
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05-26-2016, 11:29 PM | #3 |
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Why would it work fine for a long time and then start acting weird? Sounds to me like a sensor has flaked out or there's an intake leak somewhere. I highly doubt the intake is the source of the issue unless it's causing a leak or it runs an oiled filter which as gummed up the MAF sensor.
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05-27-2016, 12:14 AM | #4 | |
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05-27-2016, 10:39 AM | #6 |
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I installed the Injen a couple of months ago and had the same experience. My filter is dry. Some people say the greater amount of air causes the MAF to choke the engine. I started to slightly apply the accelerator to get passed the momentary drop in idle.
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05-27-2016, 11:37 AM | #7 |
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05-27-2016, 11:44 AM | #8 |
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05-27-2016, 11:50 AM | #9 | |
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05-27-2016, 11:53 AM | #10 |
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Had something similar on a friend's F30, car didn't show any issues until a few months down the road (low idle and car stalling). Took a look at the BMS intake tubing and the hose clamp was tightened too much creating a small gap in the intake tubing. We took it off and reinstalled it properly and all the problems were gone. Key is just to tighten enough so that it is snug.
TLDR: Make sure the hose clamps are properly tightened, but also make sure they are not over tightened to the point that the intake tubing is pinched. |
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05-27-2016, 02:17 PM | #11 |
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If car ran completely fine for that long, i dont see why it should change now.
Double check sensor and make sure it is clean and installed correctly
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05-27-2016, 02:32 PM | #12 |
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I take back what I said. After some more research, it's clear there's an issue with the BMS intake. Lots of people (F22/23/30) have reported the same issue and BMS has reportedly been working on a fix since 2014. LOL Clearly the MAF and DME (cold starts) doesn't like extra flow and/or low speed turbulence across the MAF at lower rpms. Late model WRX owners have very similar issues when running aftermarket intakes. The solution is to use a device (essentially a screen) to straighten the air flow in the area of the MAF.
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05-27-2016, 08:28 PM | #13 |
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Id have your Ilv of the software in your vehicle. A dealer can easily check this by doing a Key read. Personally before putting removing that intake, (providing u dont have any Enzo performance or DME flash tune) take your vehicle to the dealer and request for a Complete encoding/programming. Should be 1.5 hours. Just tell them you want the latest software put into the vehicle.
It is worth a shot to be honest. I have fixed many N55 engines with Cold start problems with aftermarket intakes with a simple programming. Not all but some. Dealer may require to have your vehicle over night, pending how long programming takes. The tech working on it, wont know roughly how long it will take until the programming session is connected and ready to go, just to give u a heads up in case u decide to take this route. |
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05-27-2016, 11:37 PM | #14 | |
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05-27-2016, 11:50 PM | #15 |
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You can buy MAF cleaners and spray it and you want to make sure its dry before reconnecting, You can try a quick wipe down with a micro fiber towel and reconnect first. I avoided touching it at all costs, I carefully disconnected it and I had it wrapped in a micro fiber towel when I installed my Dinan intake.
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05-29-2016, 10:13 PM | #16 | |
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05-30-2016, 02:27 AM | #17 |
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Yeah. Better to be safe than sorry.
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05-30-2016, 12:38 PM | #19 | |
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solution!
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05-30-2016, 03:54 PM | #20 | |
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05-30-2016, 03:55 PM | #21 | ||
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05-31-2016, 01:01 PM | #22 | |
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http://www.n54tech.com/forums/showthread.php?t=18588 |
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