05-11-2020, 02:09 PM | #1 |
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Question regarding B46/B48 Catless Downpipe
Hello, I'm about to buy the Evolution Racewerks b46 downpipe and I was wondering if anyone had some experience with it regarding if you'll need to buy an 02 and an EGT bung.
Anything helps, thanks. |
06-19-2020, 11:57 PM | #2 |
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I ordered the ER b46 downpipe from xph and opted to not include the bungs. From my understanding the bungs are just small bolts that serve as placeholders, I hope I'm not wrong. Anyhow, it's supposed to be delivered Tuesday. I'll update on how the install goes.
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06-20-2020, 04:27 AM | #3 |
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A catless DP will throw the emissions cel light. You'll need a tuner to turn that off and tell the ECU to ignore the error message.
Otherwise it'll likely go into limp mode. |
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07-07-2020, 11:05 AM | #4 |
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Late reply, but I figured you might want an update. Got the downpipe in last week without the bungs, turns out I was right. The bungs are just little bolts that close off the holes for the o2 sensors. The install went perfectly fine, took a little more than an hour. It’s a real easy job if you have access to a lift. Rn I just have the downpipe and bm3 stage 2 flashed. Here’s a link to a sound clip. I don’t know how to post video on the forums https://drive.google.com/file/d/1j9WlAZbVWZ2jHATC4wMlZBfosR2D3b28/view?usp=drivesdk
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07-10-2020, 05:26 PM | #6 |
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JB+ to BM3 will be worth it.
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07-10-2020, 08:30 PM | #7 |
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07-11-2020, 01:51 PM | #8 |
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07-11-2020, 04:24 PM | #9 | |
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07-11-2020, 04:57 PM | #10 |
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like this one?
https://www.amazon.ca/RJ45-Ethernet-...4503854&sr=8-6 |
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07-11-2020, 06:57 PM | #11 | |
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07-11-2020, 08:36 PM | #13 |
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07-14-2020, 10:58 AM | #14 | |
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https://x-ph.com/sale/ Phone number 702-494-9435 |
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07-12-2021, 06:14 PM | #15 |
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I got the B46 Catless Downpipe for my G20 330i. I had to take it to a shop to install and even then, they said that the bolts don't align perfectly for the new downpipe. I got the bung on mine so I can use the O2 sensors and those seemed to fit fine.
I've been running with a CEL so far since I need to change my oil and don't want to clear the code until I finish that. I'll be clearing it with a JB4. So far great sound, but I think I have an exhaust leak from an improper install. Will be completing it when I order a catback exhaust. So far I've been documenting the process on my Youtube channel Kame Society and I have a sound clip at the end of my ER install video (starting at 12:29). |
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07-13-2021, 04:06 AM | #16 |
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Hi
following this thread. I have a 330e ( exactly the same ICE as 330i). I have downpie, hybrid turbo stage 2, and inlet. Previously I have stage 1 tune, (400hk) : How important is it to have anew software done? I have CEL but engine runs good anyways. Can I damage the engine? From what i know, and heard, I should have something like 450-460 crank (System power) in my car now. To be honest it doesn't feels like additional 50-60hk from stage 1 Have anyone done something similar? (hybrid turbo) |
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12-09-2021, 09:22 AM | #17 |
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12-09-2021, 04:25 PM | #18 | |
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I believe he sold his 330i and got an M340i.
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01-10-2022, 10:26 PM | #19 | ||
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01-11-2022, 09:10 AM | #20 | |
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As far as i am aware, active autowerke is the only company that offers B46 catted downpipes with a no check engine light guarantee
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