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05-23-2023, 09:14 AM | #1 |
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State Inspection with 3IM?
I'm about to install a 3 stage intake manifold on my 128i. Does anyone have experience passing Mass state inspection with a 3IM and tune?
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2011 128i M-Sport 6MT Coupe
Space Gray Style 372 Wheels Red Manual Sport Interior Last edited by HappyDuck; 05-25-2023 at 09:12 AM.. |
06-05-2023, 11:54 AM | #2 |
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This may not be helpful, but do you have a N52 engine car (as the ones sold in New England/NY came with the N51 engine which has the 3 stage intake manifold from factory to makeup for the lower compression)?
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06-05-2023, 03:25 PM | #3 |
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Great question, but I have an N52.
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06-12-2023, 01:23 PM | #4 |
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Thought as much, great that you have the more reliable one! I have gone through this page and I really cannot see why your car with the 3 stage intake manifold (and a remap to account for that) cannot pass the inspection - https://www.mavehiclecheck.com/motorists-basicinfo
From an emissions POV if the shop's reader can get a clean read, not see any engine engine light or emission related codes, you should be good. Last edited by Bhuvan; 06-12-2023 at 05:04 PM.. |
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06-13-2023, 09:27 AM | #6 |
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3IM doesn't increase emissions
Sec 1 or 2 cat delete and that's where you might run into an issue Happy modding
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06-13-2023, 10:10 AM | #7 |
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Blau carscatscoffee15
Thanks! I read on some thread that one of the tunes was based on an European 330i which would show that some emissions component was missing.
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07-16-2023, 10:29 PM | #8 |
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No issues with getting my 2013 128i N52 (a RI car, I believe) inspected at a BMW dealership despite the 3IM and software - and I've asked them to add a service memo for my car that NO SOFTWARE UPDATES are to be performed because I have software for engine management installed!
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07-18-2023, 01:55 PM | #9 |
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Thanks!
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07-28-2023, 12:23 PM | #10 |
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If you use the Bimmerlabs tune, it disables the evap system check which will land you a visit to a MAC.
See most of my other posts for more info. If you have a reccomendation for a local tuner that does not use the bimmerlabs tune, please share. |
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07-28-2023, 02:50 PM | #11 |
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This is what I was concerned about.
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