11-26-2023, 12:42 AM | #23 |
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Are folks planning to, or doing routine maintenance by replacing the diaphragm on a "regular" basis, because IIRC once the tear happens, and been driving (hard) with that condition, then already too late by then, i.e. engine is toast?
Seems like only viable solution, to eliminate the failure with rubber diaphragm is to get rid of it completely from the car, hence the pcv delete system suggested above, and add the VTA. |
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11-26-2023, 02:49 AM | #24 |
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PCV failure is not gonna kill your engine...
you will start burning oil, since oil vapours will go thru the intake system. You will possibly cover your spark plugs with oil, which may, or not, create misfire conditions. I broke my PCV last august, had decent amount of smoke ran for several minutes. Engine is still correct. I just noticed some oil on spark plugs threads when replacing them few months later. don't overthing this issue... |
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11-26-2023, 08:09 AM | #25 |
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Oh sure! BMW always reimburses people for violating federal emissions laws!
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11-26-2023, 11:55 AM | #26 |
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11-26-2023, 12:11 PM | #27 | |
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20$ part , takes 5 mins . or delete it if thats what you bought https://www.bimmernetwork.com/produc...eplacement-kit
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11-27-2023, 05:20 PM | #28 |
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Had mine done by local dealer this past Saturday. But, of course, now that they have to pay for it, they no longer insist that the valve cover has to be replaced. They installed a BMW repair kit. Surprise, surprise. 😏
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11-27-2023, 05:28 PM | #29 | |
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11-28-2023, 08:41 AM | #30 | |
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i know im gonna do this as preventative at some point if mine doesnt tear on its own, and still not sure if maybe I should get the OEM repair kit and the ross billet cap, or just get the diaphragm from Ross also. The latter is a lot cheaper, but I care about the quality more than money.
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11-28-2023, 10:09 AM | #31 | |
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If I get the billet cap, does the rubber diaphragm still need regular replacing? Perhaps just go with OEM replacement and monitor on a regular basis like every 40k miles? |
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11-28-2023, 10:14 AM | #32 |
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billet cap's main function is to be able to service the diaphragm easily. the current plastic cap can easily break when prying off. i think generally if the mentality is to change the diaphragm once and never think about it again, there's no point in getting the billet cap then. 40k sounds like a reasonable interval, i was thinking of something similar like change the diaphragm when you change spark plugs which is about 30k.
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11-28-2023, 10:53 AM | #33 | |
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12-06-2023, 09:33 AM | #34 |
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12-06-2023, 08:12 PM | #35 |
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Just got the PCV repair from the dealer. (#11-12-1-025-447). I'm always hesitant about dealer repairs with a tuned car, but fwiw I told my service advisor to put "no software updates" in the service ticket. I personally spoke to the tech to not update software (he's also a BM3 user and said he had no reason to update software for this repair regardless), and I put a note on the dash to not update software. Had no issues other than they don't replace the whole valve cover for this anymore...
For anyone hesitant on going to the dealer with a tuned ECU, that's my 2cent. |
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04-29-2024, 11:05 AM | #36 |
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This issue just occurred in my car with 48k miles (squeal and white smoke after extended period of idling).
I've read a few threads here that there are fitment issues with the Ross Racing billet cap replacement, so going to try the plastic cap replacement first. The BimmerNetwork cap kit (orange) seems to be the most popular - does anyone have experience with the Ross racing plastic cap kit (blue version)? Also has anyone used the just the Ross Racing rubber Diaphragm (green version) alone? BimmerNetwork kit ORANGE https://www.bimmernetwork.com/produc...eplacement-kit Ross Racing Kit BLUE https://www.rossrperformance.com/pro...ic-pcv-cap-kit Ross Racing B58 PCV Rubber Diaphragm - no cap, just the GREEN diaphragm https://www.rossrperformance.com/pro...-pcv-diaphragm Here is what Ross Racing says about the black and orange replacements- This rubber diaphragm is of the SAME quality as the OEM rubber diaphragm as well as the SAME overall diameter! This is important because there are currently alternatives (black & orange in color) that cannot compare in overall quality. The BLACK version is slightly smaller (1-1.5mm smaller) than the OEM piece which can lead to fitment issues. Then there is the ORANGE version that is a thicker less malleable rubber which will actually be more susceptible to failure (ripping/cracking). These other diaphragms are still a solid option but if you are trying to replace the rubber diaphragm with one of OEM quality, this product is your best bet! Last edited by BaconDouble; 04-29-2024 at 11:15 AM.. |
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