02-24-2013, 11:39 AM | #23 |
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anyone ever get any gripe from a dealer about installing the exhaust yourself? warranty problems?
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02-24-2013, 12:36 PM | #24 | |
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Even aftermarket isn't that big of a deal. Now an intake is a diff story. |
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02-24-2013, 12:42 PM | #25 | |
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Now a tuner like JB Id be worried about. Better pull that thing off before taking it in. I didnt even think an intake would be that big of a deal. I figured tuners, downpipes and such they really frown upon. But every delaler is different.
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03-27-2013, 04:55 AM | #26 |
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Greets from Moscow!
Could you please help me to resolve the issue with the exhaust flap in the left pipe? As far as i understand while installing M Performance exhaust you should remove the flap valve from the standard exhaust and install it into the Performance one, right? What if not to install it back and instead leave a cover which presumably comes with Performance exhaust, on its place? Will there a be an error sign? And one more thing. The dealer does not recommend to remove the flap as "it influences the gasoline fillability of the cylinders on low revs and therefore the power will be decreased if the flap is removed". Does it sound reasonable? What do you think? Thanks! Last edited by Serybmw; 03-27-2013 at 05:00 AM.. |
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03-27-2013, 09:12 AM | #27 | |
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If you choose to leave the flap fully open, your best option is to remove the spring between the valve and the actuator and tie it off with wire or use a clamp. From what I have heard if you simply unplug the valve it won't throw a check engine light, but it will throw a code that the dealer will see. If you just take the spring out and tie the butterfly valve the actuator still works when plugged in, so there is no change to the behavior of the car. Not sure how why your dealer thinks this affects fuel. There may be something we don't know but all I know is my car is fine after 8,000 miles without that spring in it. Honestly I believe that that valve is there for droning purposes as the drone and exhaust note does go up if you take the spring out, especially at very low rpms. Once you go full throttle even if that valve is closed without the mod it instantly goes open. One thing to remember, anytime you put on a higher flowing exhaust on your car, you will always lose a bit on the low end, but gain a ton of power up top. Naturally because your car is flowing much much better. I've been around performance cars a long time and an internal combustion engine is an internal combustion engine no matter make or model.
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03-27-2013, 09:31 AM | #28 | |
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03-27-2013, 11:36 AM | #29 | |
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03-27-2013, 02:47 PM | #30 | |
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Are you considering installment of M Performance power kit? |
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03-27-2013, 03:31 PM | #31 |
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Yes, I just have to find out how much it is. Any idea?
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03-27-2013, 11:00 PM | #32 |
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You guys are lucky to have it @ around 1k.
http://www.f30post.com/forums/showthread.php?t=820511 We have to pay more than 2k just for a software code and silly stickers. Oh, i missed the nice engine cover with M Performance logo - that explains the price |
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04-23-2013, 08:25 PM | #33 |
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Great job! I just spent 200 on install. Lol. Wish I knew it was this easy.
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04-23-2013, 08:54 PM | #34 | |
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Enjoy the exhaust it does sound way nicer then stock.
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04-24-2013, 03:31 PM | #35 |
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This is GREAT
Thanks to dd1981 for giving me the inspiration to do this. I installed mine on my 328i. Everything is done exactly as shown here. I'm not mechanically inclined, but got it done in about an hour. I highly recommend using the same type of pipe cutter. It helps you get a straight cut. The only thing I did different was removing the whole bracket that holds the rubber insulators to the frame. I then took them off and transferred them to my new exhaust. I didn't post any pictures because I can't do justice to this DIY. Great job dd1981!!
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10-28-2014, 04:14 AM | #37 | |
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03-01-2015, 07:27 PM | #39 |
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03-02-2015, 05:12 AM | #40 |
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That's fine, as long as that's how BMW intend it to be installed then I'll go with it.
Can anyone tell me if the rear diffuser trims need to be painted? Or do BMW just install these in the matte finish they come in out the box? |
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03-02-2015, 08:17 AM | #41 | |
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The rear diffuser comes in matte finish. Some people choose to paint it but it is not required.
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03-02-2015, 06:08 PM | #42 |
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Thanks for that. I saw a white 4er with gloss black diffuser but mine is Estoril Blue so gloss black could work.... Don't think the standard grey on the OEM valence would look right on the diffuser?
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03-02-2015, 06:16 PM | #43 |
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EB is a beautiful color. I would go with gloss black too. Perhaps get the diffuser vinyl wrapped? That would be cheaper than painting.
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03-03-2015, 03:12 AM | #44 | |
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Didn't think about vinyl wrapping.. that's a good shout there |
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