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DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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07-02-2009, 08:48 AM | #265 |
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I also did notice a slight power loss of power at the low -to mid rpm range, but maybe its in my head, or maybe it was due to higher ambient temps, higher humidity (turbos not spooling as fast), etc. Not really sure what to think at this point. In the mean time, I have plugged it back in. Performance is more important to me personally that sound. But thats just my .02.
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07-02-2009, 10:39 AM | #266 | |
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Quote:
http://www.turnermotorsport.com/html/detail.asp?PRODUCT_ID=TEN9046MTP http://www.turnermotorsport.com/html...ID=36TRACKPIPE however just opening up the flap you will not see as much gain as the above. Maybe guessing 1 HP increase but the sound rocks, I love it. |
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07-07-2009, 08:00 AM | #269 |
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Be carefull with that, try concact your dealer before doing this, cos after this mod I felt loss of power, I think it's worth for sound only if u don't have moneys for real exhaust, just my opinion
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07-07-2009, 11:19 AM | #270 |
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Bad advice. Don't contact your dealer - they might void your warranty. Got any dyno charts to prove loss of power?
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07-08-2009, 02:07 AM | #271 |
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Well I red lot of reviews that after this zip tie u can get catalyst problems just try google it and u will see
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E92 335i Black Saphire 6MT PROcede V5, BMS DCI, Big Tom IC, AR CL-DP's 3", AR Design OC, Forge DV's, OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental ContiSportContact 5P (400hp and 550nm) https://www.youtube.com/user/aistis7..._as=subscriber
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07-09-2009, 03:52 AM | #273 |
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Okay we wait for your post
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E92 335i Black Saphire 6MT PROcede V5, BMS DCI, Big Tom IC, AR CL-DP's 3", AR Design OC, Forge DV's, OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental ContiSportContact 5P (400hp and 550nm) https://www.youtube.com/user/aistis7..._as=subscriber
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07-09-2009, 11:20 AM | #274 |
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07-09-2009, 02:02 PM | #275 |
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Hi u want to say that 2007 year cars doesn't has that 2008 cars has?
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E92 335i Black Saphire 6MT PROcede V5, BMS DCI, Big Tom IC, AR CL-DP's 3", AR Design OC, Forge DV's, OEM M3 side skirts, BMW Performance Wheels 19 inch 269 Black Gloss+Continental ContiSportContact 5P (400hp and 550nm) https://www.youtube.com/user/aistis7..._as=subscriber
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07-13-2009, 11:19 AM | #276 |
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yeah in a sense, some early production were not equipped it
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07-13-2009, 01:15 PM | #277 |
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I did it I noticed a more of Roar when starting car, but IMO when I'm driving I didn't notice a difference but maybe like everyone else say it's gets better over time I'll maybe notice a differnece sometime soon.
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07-13-2009, 01:36 PM | #278 |
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no. my nov/06 335 sedan had this mod
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07-13-2009, 02:06 PM | #279 |
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So it means that all 335i has that buterfly valve
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07-14-2009, 06:34 PM | #281 |
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Hi guys. I am going to put the cable back. Had my car in neutral yesterday at the traffic light, AC was on and Engine went off. Had the good sound for 2 weeks, but it is not worth loosing horsepowers and maybe money for gas.
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07-14-2009, 08:10 PM | #282 |
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HAHA, are you serious? No way was the exhaust flap mod a cause of this. There is no horsepower lost, if anything you actually might gain a tiny amount because of the reduced back pressure at all RPM.
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07-17-2009, 08:39 PM | #283 |
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+1
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.../// TURBO! Why in the world would you choose anything else?... /// |
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07-17-2009, 08:44 PM | #284 |
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My bimmer sounds louder now after over 2 weeks of driving with the valve open, I guess the left side of the exhaust has to break in a little if the valve was mostly closed before. It sounds the best when driving in a tunnel as the noise get amplified. Here is my bimmer and stock exhaust sound 800 - 3000 rpm rev. It also sounds much deeper when you are driving since the engine has to work harder.
http://www.youtube.com/watch?v=UXl-Ax5j0b8
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.../// TURBO! Why in the world would you choose anything else?... /// Last edited by M3E46M; 07-17-2009 at 10:51 PM.. |
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07-18-2009, 11:14 AM | #285 | |
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Quote:
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07-18-2009, 12:36 PM | #286 |
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This thread needs to be locked. this all has nothing to do with the DIY
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