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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Input on adding the 3 mods-charge pipe, down pipe and JB4
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      02-01-2017, 08:03 PM   #1
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Input on adding the 3 mods-charge pipe, down pipe and JB4

My car is stock and a 2012 F30 335i. I have been wavering what to do and want simple, no issue bolt on's that will wake the car up without giving me any codes or issues. As of now I would just do the above 3 items and then maybe an IC if need be later but no other performance mods. I would then go to some suspension or brakes.
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      02-01-2017, 08:39 PM   #2
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The charge pipe and JB4 will not throw codes on your car. The downpipe will if you go catless however the JB4 can clear that. For inspection for the downpipe you'll need to do one of the downpipe fixes listed on this site or spend the money on a catted downpipe. It's your choice in the end but the downpipe and JB4 will wake up the car the most and make it a blast to drive.
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      02-01-2017, 08:43 PM   #3
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Quote:
Originally Posted by Whatsnext View Post
My car is stock and a 2012 F30 335i. I have been wavering what to do and want simple, no issue bolt on's that will wake the car up without giving me any codes or issues. As of now I would just do the above 3 items and then maybe an IC if need be later but no other performance mods. I would then go to some suspension or brakes.
JB4 will hide downpipe code so you are good there... All there other mods will not throw any codes.

Getting the IC at the same time as the charge pipe will save you time and money on labor
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      02-01-2017, 08:55 PM   #4
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I plan on installing myself and thought I read that the charge pipe can be installed fairly easy without removing the front bumper and could be done within an hour. Is that accurate?
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      02-01-2017, 09:09 PM   #5
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Quote:
Originally Posted by Whatsnext View Post
I plan on installing myself and thought I read that the charge pipe can be installed fairly easy without removing the front bumper and could be done within an hour. Is that accurate?
i would say 1.5 hours on the charge pipe
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      02-02-2017, 11:18 AM   #6
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Quote:
Originally Posted by mike@x-ph.com View Post
JB4 will hide downpipe code so you are good there... All there other mods will not throw any codes.

Getting the IC at the same time as the charge pipe will save you time and money on labor
But not from all emissions tests depending on what state you're in. I'm not sure about AZ, but you should check what kind of emissions testing they do before going catless...
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      02-02-2017, 12:41 PM   #7
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Quote:
Originally Posted by Whatsnext View Post
My car is stock and a 2012 F30 335i. I have been wavering what to do and want simple, no issue bolt on's that will wake the car up without giving me any codes or issues. As of now I would just do the above 3 items and then maybe an IC if need be later but no other performance mods. I would then go to some suspension or brakes.
That a good set of mods to start. JB4 and Downpipe are a great combo and then the charge pipe added in for reliability / piece of mind.

Mike
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      02-02-2017, 12:42 PM   #8
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Your thinking is like me--minimal mods for maximum gain. That's why I only go with those three mods as far as performance. Great setup--this is how the car should be stock. For my needs an IC or intake is not necessary or worth the cost. The CP will take more than an hour and you do not have to take off the bumper. As said, DP may cause issues for emissions requiring you to remove it.
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      02-02-2017, 12:42 PM   #9
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Quote:
Originally Posted by Whatsnext View Post
I plan on installing myself and thought I read that the charge pipe can be installed fairly easy without removing the front bumper and could be done within an hour. Is that accurate?
If you are handy and know what you are doing it should be able to get done in under an hour.

Mike
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      02-02-2017, 12:48 PM   #10
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Quote:
Originally Posted by anshu View Post
But not from all emissions tests depending on what state you're in. I'm not sure about AZ, but you should check what kind of emissions testing they do before going catless...
OP never mentioned illegally passing emission test. He asked if these mods throw a code.
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      02-02-2017, 12:52 PM   #11
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Quote:
Originally Posted by mike@x-ph.com View Post
Quote:
Originally Posted by anshu View Post
But not from all emissions tests depending on what state you're in. I'm not sure about AZ, but you should check what kind of emissions testing they do before going catless...
OP never mentioned illegally passing emission test. He asked if these mods throw a code.
No need to get defensive. OP also said "...codes or issues".

I would say failing an emissions test qualifies as an issue. Just wanted him to be aware that just because the JB4 clears the code doesn't necessarily mean he's completely good to go.
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      02-02-2017, 09:04 PM   #12
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Thats a valid question and point on emissions. AZ is fairly strict with regular emissions testing. So essentially I really cannot do a DP because they are catless?
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      02-03-2017, 12:14 AM   #13
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Quote:
Originally Posted by Whatsnext View Post
Thats a valid question and point on emissions. AZ is fairly strict with regular emissions testing. So essentially I really cannot do a DP because they are catless?
You can, but will have to remove it for the test. Depends how often they test and how often you want to swap the stock one back on.
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      02-03-2017, 02:31 AM   #14
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Quote:
Originally Posted by Whatsnext View Post
Thats a valid question and point on emissions. AZ is fairly strict with regular emissions testing. So essentially I really cannot do a DP because they are catless?
All high flow downpipes (catted or catless) are not emission legal
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      02-03-2017, 10:52 AM   #15
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      02-03-2017, 11:22 AM   #16
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Quote:
Originally Posted by Whatsnext View Post
Thats a valid question and point on emissions. AZ is fairly strict with regular emissions testing. So essentially I really cannot do a DP because they are catless?
Are they doing a sniffer test or OBD test?

Mike
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      02-03-2017, 09:32 PM   #17
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No they usually just hook a hose up to the exhaust if I recall and text every 2 years.
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      02-06-2017, 11:36 AM   #18
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Move to Florida and you wont have to touch it again. We good here, no emission test, no front plate, nice weather lol. But we need IC.
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      02-06-2017, 08:59 PM   #19
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Well AZ has great dry weather, can't take the humidity and no plate needed either up front. We have emissions testing but I guess I don't know the extent of what I can do before it causes issues.
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      02-07-2017, 11:08 AM   #20
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Quote:
Originally Posted by Whatsnext View Post
No they usually just hook a hose up to the exhaust if I recall and text every 2 years.
Sounds like a sniffer test.. There is no way around that Only way is to remove pipe and go back to stock.

Mike
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      02-07-2017, 11:13 AM   #21
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Quote:
Originally Posted by yoandry View Post
Move to Florida and you wont have to touch it again. We good here, no emission test, no front plate, nice weather lol. But we need IC.
U mean u need meth lol
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      02-15-2017, 01:25 PM   #22
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Quote:
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No they usually just hook a hose up to the exhaust if I recall and text every 2 years.
Wow in Georgia they test us yearly...
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