Is there a cold air intake that does not throw a CEL, but improves sound? |
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04-01-2019, 04:26 PM | #3 |
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04-01-2019, 04:27 PM | #4 |
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BMS is a short-ram and he wanted a CAI. Dinan is pricey as heck but I haven't heard of anyone complaining of a CEL https://www.dinancars.com/product/d7...-f32-f36-435i/
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04-01-2019, 04:45 PM | #6 |
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AFE's CAI is another option and is $170 less than Dinan. I don't recall complaints on these either: https://afepower.com/afe-power-54-12...-intake-system
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04-01-2019, 05:40 PM | #8 |
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I had bms on mine for 3 mos and it never threw a CEL, I actually just pulled it off, not because of any issues, but I just got the dinan box, gonna list the bms. the bms did have a killer whoosh sound
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04-01-2019, 06:58 PM | #9 | |
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Again, this is isolated to the B58 motor, not the n55 |
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04-01-2019, 07:00 PM | #10 |
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I had the dinan cai for a few years and never threw a cel.
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04-01-2019, 07:01 PM | #11 |
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I’m in a m240i so can’t speak for the m235i, but in mine I have never had a cel without my jb4 installed, but most of the time I have the jb4 on. Only take it off for dealer visits and it usually stays off for a few days until I get time to reinstall it.
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04-02-2019, 05:31 AM | #13 |
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Wow so it seems like no one has a 100% answer. From what I gather the Afe and Dinan CAI are "safest" with still a few reports of CELS both webpages don't guarantee a no CEL either. Yet, bms/injen seem like a 50/50 for some people.
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04-02-2019, 07:45 AM | #14 |
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Only one I've ever seen advertised as offering a no CEL guarantee is the AWE Tuning S-flo carbon intake. It's pricy and seems hard to find. Not sure if this is in stock, but I found one here (https://x-ph.com/awe-tuning-bmw-335i...carbon-intake/)
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04-02-2019, 01:46 PM | #15 | |
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04-03-2019, 12:51 AM | #17 |
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If stock get a closed intake, if tuned get Injen or BMS
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04-03-2019, 10:15 AM | #18 |
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Have you considered an OE MPPK lower intake with a drop in filter? No CEL, higher flow, better sound than stock. And a lot cheaper than other options.
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04-03-2019, 11:41 AM | #19 |
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I have the Dinan CAI and its never thrown a CEL for me, and it improves sound a bit
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04-03-2019, 01:09 PM | #20 | |
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I finally gave up and put a bit of black tape over the light. |
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04-03-2019, 01:24 PM | #21 |
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Lower as in... lower in the engine bay?
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04-03-2019, 01:35 PM | #22 | |
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According to BMWs material, the additional opening in the lower air box is supposed to help with increased air flow, back pressure, and better sound. I run it myself.
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