03-26-2024, 08:03 PM | #1 |
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Stock Charge Pipe Boost Limit
Looking for advice on whether it's necessary to upgrade stock charge pipe at this time.
I'm curious what the upper boost limit for the stock charge pipe is. If there measurably is one or it's just a YMMV kind of thing. Anyone running JB4 map 3 or equivalent flash tune (>+6psi) and not upgrade their charge pipe? Any boost leaks or concerns with sticking to stock? Concerned about longevity? |
03-26-2024, 08:19 PM | #2 |
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They fail on bone stock cars man lol you’re playing with fire if you don’t upgrade
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03-26-2024, 08:29 PM | #3 |
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On the B58s? It was a common issue in older gens all the time.
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03-26-2024, 08:31 PM | #4 |
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I'm running JB4 with Map 3 on both ours. I've been told by multiple people the charge pipe on the G01 M40i is not a weak point like it was on the older gen (like my E84 X1).
Having said that, I do have a metal one sitting at home to put on my car, but haven't.
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-26-2024, 08:38 PM | #5 |
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Similar to what Suby mentioned, I've read on other threads people having issues but always on other model years.
Haven't noticed anyone with current gen models mention issues with stock charge pipe, so I figured I'd inquire whether it's still a valid concern. I haven't chosen a charge pipe yet, recommendations/experiences always welcome, but seeing as how the install seems fairly straight forward and it's not too costly I figured I'd consider upgrading to avoid any issues now that I'll be running with higher boost. |
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03-26-2024, 08:47 PM | #6 | |
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-26-2024, 08:57 PM | #7 | |
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03-26-2024, 09:13 PM | #8 | |
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I was definitely generalizing. I know it’s not an issue for the B58 so much as the N54, but would be concerned with having that remain a plastic component
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03-26-2024, 09:27 PM | #9 |
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Super easy install. Just take out your intake so you have room to work on the turbo outlet c-clip. The bottom screw that attaches charge pipe to the intake manifold was a little annoying to get to but with the right length tool, it's doable.
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03-26-2024, 10:44 PM | #10 |
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If you’re modding the engine at all it’d be foolish to leave that piece oem
I went with the Burger Tuning pipe ‘cuz I like those guys but you’ll have a bunch of other quality options available from $175 ~ $300 as I recall |
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03-27-2024, 09:26 AM | #12 | |
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You will be fine on using the stock pipe on JB4 unless you start going bigger turbo/boost, then upgrading will provide peace of mind. The only thing that may break is the oil drain line for the intake. Here is the install and what piece will break which has been known to fail as it will get brittle from heat. https://x3.xbimmers.com/forums/showthread.php?t=1909164 |
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03-27-2024, 09:57 AM | #13 | |
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With that said there are some outliers in my logs that have me concerned with the boost limit. In my last log there was a run with a peak of 27psi in 4th gear at 6,800rpms a seperate run with a peak of 30psi in 4th gear at 6,550rpms. These are two random events that lasted for a single line on the logs, coincidentally both as I let of the throttle to end the log, but nevertheless those peaks are high. |
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03-27-2024, 11:43 AM | #14 | |
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Does this car have MAP sensors or MAF sensors? |
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03-27-2024, 12:24 PM | #15 |
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It has a MAP sensor.
Glad to see I'm not alone in this occurenece. I was considering lowering my FF/waste gate adaptation value in the user adjustments to bring the boost levels down but don't want to end of lowering 99.9% of my desired boost for that .1% event. Especially if it's a misread by the sensor. |
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03-27-2024, 12:30 PM | #16 |
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Burr001
5LEEPR_G01 Thanks for the suggested install guide/video. Great info and super helpful. |
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03-27-2024, 01:13 PM | #17 | |
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03-28-2024, 12:32 PM | #18 |
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I emailed my logs over to Terry at Burger Tuning and he said everything seemed good to him.
Told me no need to send any further logs unless there are issues I'm experiencing or major changes I make for him to check out. It's running smooth for my daily driving and pulls like a champ in sport+ with shift to the left. Compared to map 2, my current map 3 I feel is getting to the, "slams you into the back of the seat" kind of fast. The charge pipe and intake pipe combo will definitley be something I upgrade next, even if it is just for peace of mind. Nice to know it'll also be future proofing for higher boost levels. Burr001 I would think the fitment of the FTP intake/charge pipe combo for the supra B58D you installed, would be the same for my MY21 as your MY22 right? |
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03-28-2024, 04:22 PM | #19 | |
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03-29-2024, 05:48 PM | #20 |
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Yup, 2 bolt throttle body.
Any words of wisdom as far as aftermarket intakes since I've read that most like BMS, MST, AFE won't fit with the FTP intake pipe installed. While I have everything pulled out I might as well drop an aftermarket intake in. Purely for the turbo spool and throatier sound of course, there's not much performance to be gained from this anyway. |
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03-29-2024, 07:12 PM | #21 |
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Anybody have any experience with the do88 Aluminum charge pipe kit?
https://www.fcpeuro.com/products/bmw...pe-do88-tr-390 Still up in the price range considering no additional intake pipe but at least I could keep my options open for which intake I chose. Initially considered the MST but am undecided. |
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03-29-2024, 07:59 PM | #22 | |
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