11-21-2020, 03:21 PM | #133 |
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Navardi I had an idea about what if I added an external wastegate to the turbine housing, that would be controlled to open at like 22 psi if I ony wanted to run 20 psi on the internally wastegated turbos ? or would 22 psi be ok without having to go to such lengths because a 0.41 A/R is ridiculously small. I thought it would have at least been .63
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11-23-2020, 02:59 AM | #134 | |
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Really you need a bigger turbo, Whether that's a big Internally WG turbo like the Borg Warner EFR series, or an Externally WG Turbo with Custom Manifold (A turbo Example would be the Garret GTX 3071R). At this stage BM3 Hasn't released their EWG Delete for External WG Setups and No one has tried the Turbo Smart Electronic External WG controller on DME's that come factory with OE EWG setups. TLDR, everyone needs to move away from the stock Frame turbos, to make more reliable power on these motors. SPA, at this stage seem to be interested in working on a Custom Manifold to support Larger Internally WG setups. Before looking into External WG setups. |
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12-15-2020, 08:49 AM | #135 |
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Hi Navardi, I heard that you might know for sure which way the oil flows through the heat exchanger.
I have parts for an oil cooler but I want to add a thermostat when I install. I can't seem to find anything definitive |
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12-16-2020, 07:07 PM | #136 | |
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Now for memory, since its been a long time since I did it. But the far right port (if looking at the oil filter housing head on) is the outlet port. I have checked some photos and they seem to suggest the same. (not at my car currently to check). |
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12-18-2020, 03:52 AM | #137 |
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Hi Guys,
yesterday I was diagnosed for my 320i f30 with the AT8 heat exchanger leaking coolant, because a plastic part of it cracked. Only the OEM part is available and the whole unit has to be replaced, which sucks really. I am curious if the tune could be the reason for it? Could the coolant overheat due to the water pump being inefficient? My mechanic said that it is a very rare issue and implied that it cracked possibly due to temperature differential and right now in Poland it is around 0 degrees Celcius outside. I just would want to avoid such issues in the future. Shall I upgrade the water pump to that of 328i, Navardi? Or was it just a bad luck random event? I am FBO with catless downpipe and upgraded FMIC. I think we chatted about my tune dyno curve some time ago. Thanks for all the help. Best regards Wojtek |
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12-18-2020, 04:00 AM | #138 | |
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Old Part number of the Coolant Thermostat was known to be faulty. since 2015 BMW replaced it with a new part number. Water Pump hasn't been a known issue, and I doubt it was the cause of the issue in this instance. Sounds like heat cycles on the plastic has caused fatigue or that you might just have had a defective piece from factory. You could just move to an external AT Cooler and then move to an aluminium Upgraded Radiator, to eliminate the plastic. |
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12-18-2020, 04:07 AM | #139 | |
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Do you think that a new OEM unit would be a better bet now? For the AT cooler, do you have any suggestions? It would be installed in place of the current heat exchanger? I am prrety sure this black plastic part cracked: View post on imgur.com Best regards Wojtek |
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12-27-2020, 06:21 AM | #140 | |
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You could go with a custom external cooler setup? but as I said very uncommon failure on these cars, so a stock replacement should be fine |
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12-27-2020, 10:21 AM | #141 | |
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Just making sure it wouldn’t be the cooler output. |
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01-16-2021, 11:06 AM | #143 | |
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01-16-2021, 07:54 PM | #144 |
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07-07-2021, 09:21 AM | #145 |
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This Build guide has been moved to the following link:
https://n2xandb4xwiki.notion.site/N2...654fe3ce75c4c3 Last edited by navardi; 10-28-2021 at 10:50 AM.. |
10-05-2021, 04:08 AM | #146 | |
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Great build bud I am currently doing a build on my f30 328i and I am going with the forged cp pistons 84.5mm I see you say the block needs to have a steel liner so do the pistons come with rings that will work with the sleeve liner (chrome rings)or did you have to get chrome rings separately Thanks |
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10-28-2021, 10:57 AM | #147 | |
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With regards to your question, you need to have the rings run against a wall thats iron/steel, using the rings on the aluminium will not only cause premature wear and poor lubrication but the bare aluminium can't stand up to the combustion process. Either have your shop source the sleeves or have the factory plasma arc coating re-applied. We are working on some off the shelf offerings for Sleeves for the N20 however they're about 4 - 5 weeks out for getting our first batch. Any further questions please email me at navardituned@gmail.com |
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01-23-2022, 04:58 AM | #148 |
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Build update
We get alot of messages regarding this build,
I have re-updated the original post to be more current to 2022. However lots of changes have been made Please refer to the original post for updates and the link to the notion page for the build guide. don't hesitate to contact us on socials for help with your N20/B48 |
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11-16-2022, 04:29 AM | #149 | |
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https://bmwenginewiki.com New video is up regarding these built motors Some glamor shots |
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11-25-2022, 07:39 AM | #150 | |
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1000whp, big turbo, built engine, crate engine, darton sleeve, forged, max power, n20, n26, rebuild |
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