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BMW 3-Series (E90 E92) Forum
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DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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01-19-2014, 03:02 PM | #639 |
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Drives: '11 335i E93 Alpine White
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I read all 30 pages of this post yesterday. Nobody helped out the guys so desperately asking for help for doing this mod to their E93 Convertibles.
I looked at my 335i E93 today and this is what I found. Attachment 966309 I had the ignition off and pulled the hose off of the fitting first. When I pulled it off, there was a sound of air releasing like when a truck releases its air brakes. I crimped the hose off with vise grips, started the car and hit the road. It seemed to sound pretty good. I stopped and reconnected the hose and removed the vise grips and continued to drive. At that point, I wasn't too sure that it made a change or not. Has anyone else made any other attempts to get this to work on the E93's? Would someone else try what I did to confirm it works on doesn't work. I did NOT throw a code by doing this! Last edited by BMWE934me; 03-15-2015 at 12:07 PM.. |
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01-26-2014, 01:53 PM | #640 |
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I'm having a hard time putting the clip back on. Is there something I need to do? I faintly recall that u had to reset something. When I try to put it back myself it won't clip back in
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02-10-2014, 09:00 PM | #641 |
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Drives: 2011 BMW 335is Coupe
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Location: Calgary, AB
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Just did this on my IS. Love the extra growl from the exhaust. We'll see if the dealership flags any codes when I take it in for my first service.
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02-11-2014, 07:01 PM | #642 |
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Tried in '07 e93 335i (guess,should be similar for following years)
Please do at your own risk.
If I missed something or incorrect, please point out & would update.Thanks. Believe this is the one we are looking for, in e93
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03-12-2014, 10:39 PM | #643 |
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I did this mod prior to installing my jb4. Is the actuator that we are disabling what controls the canflap? Or is that a totally different thing. I didnt feel like I could tell a difference in the sound when I changed the canflap setting in the jb4 when this mod was still done.
Main reason I ask is because when I picked my car up from the bodyshop today(rear bumper work) I noticed the compartment in the trunk was partially off and that they had plugged it back in. |
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03-13-2014, 06:52 AM | #644 | |
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Quote:
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03-13-2014, 10:00 AM | #645 |
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03-13-2014, 10:01 AM | #646 |
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That noise? (exhaust flap rattle)
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03-13-2014, 10:47 AM | #647 |
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03-16-2014, 11:43 AM | #650 |
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bahhhh.... just install JB4 and you gonna have remote control via the steering wheel and planty of power
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03-16-2014, 11:57 AM | #651 |
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you can't compare, neither price nor functionality. For people who just want to control the flap wireless it's a pretty nice gadget. Not everyone want's to have a JB4 ...
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04-11-2014, 01:14 AM | #652 |
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I'm having issues passing smog. I have this mod enabled (cables disconnected). Could this be the reason why my CA Smog emissions test is failing?
http://www.e90post.com/forums/showthread.php?p=15762974 |
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04-27-2014, 07:21 PM | #655 | |
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It's possible that the OBD II is throwing some sort of Emissions/Exhaust code, because things ARE unplugged after all. However, if they are not just plugging in to the OBDII then I don't know for sure, but I'd say NO, it's not related to the plug being pulled.
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04-27-2014, 07:26 PM | #656 | |
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Going on my second E92, a 335is at 8K miles, still no concerns, just a little tiny bit more noise down low and around town, otherwise... Nothing. Raised eyebrow from my SA cause they found it unplugged and were really confused and apologetic that it had been delivered that way. After my explanation I received a "Oh Cool, that works?" nothing more.
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06-27-2014, 09:36 PM | #657 |
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Thx all for this thread. I hadn't done this mod because I didn't mind the sound at startup but my 335i has started to have the flap rattle during normal driving (must be a vacuum leak...I eyeballed what I could see but don't feel like tracing the whole vacuum lines out just for this!) so I pulled the plug. Awesome! I haven't driven it on the highway yet so am not sure if the reported "drone" will annoy me but not having that rattle is great. Thx!
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Andy '12 E82-PS2,Stoptechs,Clubsports+M3 bits,Accusump,Wagner DP+EVO III FMIC,ERCP,BMS Intake,Mason Strut Bar,Wedge Tune Last edited by AndyW; 06-27-2014 at 09:36 PM.. Reason: spelling correction. |
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07-20-2014, 02:31 PM | #658 |
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This took honestly 2 minutes to complete. Pop off the door in the trunk, unplug the connector, and put the door back on. Done. Definitely a difference in exhaust note on start up. I did not notice a difference in power. If anything it just feels more linear to me.
I am under the impression that the loss of power is a myth. It would make sense to me that if the exhaust is able to flow smoothly that the turbos should actually take less time to build boost, but that's just my opinion. |
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07-21-2014, 08:22 AM | #659 |
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Originally Posted by sankohuy View Post
Love the low end growl, but freeway drones bug the hell outer me, considering I drive freeway a lot, I duuno what I should do! First world problem haha! Anybody else plug it back in because it drones in the highway?
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08-16-2014, 11:31 PM | #660 |
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It will also eventually show a Check Engine Light of some type. I did this and after a while, don't remember how long, there was a warning on the dash. I didn't know what it was so I took it to the dealership (I was under warranty). After a few hours, they called me to tell me the car was ready and explained that somehow this plug in the trunk came undone! "I wonder how that happened" I said... Anyway, that's my story.
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