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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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11-24-2009, 06:00 PM | #309 | |
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I don't blame you for not reading the entire thread, but it's already been pointed out that this is no different to the car than installing an aftermarket exhaust. FWIW I've been running like this for over a year now. What's more, I've been to the dealer 2 times for routine service and they never said anything. |
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12-30-2009, 08:01 AM | #311 | |
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12-30-2009, 04:31 PM | #312 | |
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To completely deny/void a warranty claim based on an exhaust flapper, BMW would need to prove that an open exhaust flapper specifically caused damage. What is more, (assuming you plug it back in when you goto the dealer) they would have to prove that YOU unplugged it and absolutely rule out a bad connection. Voiding warranty based on tuner codes is a totally different story. |
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01-08-2010, 04:42 PM | #314 | |
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01-19-2010, 02:10 AM | #317 | |
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Unplugged it 3 days ago and loving it. |
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01-20-2010, 06:15 AM | #319 |
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this unpluging thing is stupidity in my opinion
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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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01-20-2010, 05:31 PM | #320 |
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Can this be combined with the ball bearing version of the mod?
In other words, instead of crawling under the car and inserting the ball into the vacuum line at the muffler, do the same where the vacuum line connects in the trunk. Easy access and no codes = best of both worlds. Anyone tried this?
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2008 BMW 335i//Jet Black on Black Dakota Leather//Steptronic, Sport Package, Premium Package, Logic7 Sound, Aluminum Trim, iPOD & USB, Cobb S1+ Sport, ER FMIC, ER CP, K&N Filter, H&R Sport Springs, Koni Yellows, ECS Tuning spacers (F-10mm/R-15mm), Akebono pads, OEM Rear Aero Spoiler, OEM Sport Diffusor, Cyba 3.8" Tips, OEM Aluminum Pedals, M-tech Steering Wheel, Clear Reflectors
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01-28-2010, 09:42 PM | #321 | |
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01-30-2010, 04:38 PM | #322 |
SCCA B Street
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I did not read this entire thread but the few pages I did it would seem several had the question of, "what does the flap in the exhaust do?"
When you start the car it closes to help bring the o2 sensors up to temp. Then opens after x temp is reached on my E46. I would think it does the same here. None of my after market cats have had one that I know of.
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02-03-2010, 10:42 AM | #324 |
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did this yesterday to my 09 335i. drove around a lil bit.
...its ok. probably needs to adapt.
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pix of da whip< / / / >updated 4/10 Last edited by E90jerz; 02-04-2010 at 08:40 AM.. |
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03-04-2010, 05:05 PM | #325 |
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just did the mod... sounds a lot better! you hear the pops loud when you downshift. so far soo good i hope lol
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2013 F30 335i xdrive | Estoril Blue | Black Dakota Leather | Aluminum Hexagon trim | M-Sport | Cold weather | DHP | Premium package | Tech package | Harmon Kardon | PDC | Rearview Cam | IND Painted reflectors | BMW performance grills | JB4 stage 2 | ER downpipe | BMS Intake | H&R sport springs
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03-11-2010, 05:43 PM | #326 |
Speed!!!
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Just did this today, I walked out of my office with my suit on and it took me 20-30 seconds. My point is, you don't get dirty and you get do and reverse (if you don't like it) in minutes, any time, any where.
I love it, I was able to hear a big difference. Deeper lower sound. It went from vriiim to VROOM!!!!! |
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03-24-2010, 08:47 PM | #327 |
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Drives: '08 E90 335i, '99 E36 M3
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Stock exhaust w/ Magnaflow 4" angle-cut resonated tips welded on. Here's what the exhaust actuator mod sounds like on a cold start:
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03-26-2010, 12:08 PM | #328 |
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well without that mod stock exhaust even sounds deeper, i was also testing it by zip tie nothing special, what i was expierenced that torque i have less somehow, dont know why
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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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03-28-2010, 09:50 PM | #329 |
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Over 10,000 w this mod NO PROBLEMS
FYI, just came back to check out if pople are doing this, hehe, I did mine 10,000 miles ago and no problems so do what you want plug in or out
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04-02-2010, 10:48 AM | #330 |
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Did this mod 30 minutes ago. I drove to class and it does sound better. I'm pleased, it was very easy to do. I just hope the dealer doesn't say anything about it. My mpg didn't go down and I didn't notice a difference in torque like some people say.
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