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Technical Topics DIYs and Coding Discussions 2022 M340i Stock Tune Hit 15.8 Max PSI

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      02-20-2022, 01:53 PM   #1
00dyb58
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2022 M340i Stock Tune Hit 15.8 Max PSI

I log data from ECU and just got back from a trip.

View post on imgur.com


I was reading this and it states max boost hits around approx 8-11.

Is this normal to see spikes much above? Not sure if it matters but I was in Sports Plus

Thanks
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      02-20-2022, 02:04 PM   #2
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Some more data from same trip

View post on imgur.com
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      02-21-2022, 09:55 AM   #3
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That PSI seems about right. That's what I would hit before JB+. Now it peaks at around 17-18 PSI.

Stock is 15 PSI from the research I've done. One of my sources: https://kaganadertuning.com/collecti...es-custom-tune.
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      02-21-2022, 10:04 AM   #4
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Quote:
Originally Posted by jpowers36 View Post
That PSI seems about right. That's what I would hit before JB+. Now it peaks at around 17-18 PSI.

Stock is 15 PSI from the research I've done. One of my sources: https://kaganadertuning.com/collecti...es-custom-tune.
Thanks for the info. I think a JB+ may be my next step. I just want to read up more before I change the car up.
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      02-21-2022, 08:46 PM   #5
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Quote:
Originally Posted by 00dyb58 View Post
Thanks for the info. I think a JB+ may be my next step. I just want to read up more before I change the car up.
Higher spikes are normal.

And don't get the JB+ for your B58. Atleast a JB4 or a flash tune is the way to go
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      02-21-2022, 09:16 PM   #6
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Quote:
Originally Posted by VipinLJ View Post
Higher spikes are normal.

And don't get the JB+ for your B58. Atleast a JB4 or a flash tune is the way to go
I'm reading up the on JB4 right now haha. Install looks super simple. Trying to find a reason not to do it
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      02-21-2022, 10:54 PM   #7
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Bam, here you go:

https://g20.bimmerpost.com/forums/sh....php?t=1900745
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      02-21-2022, 11:23 PM   #8
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Quote:
Originally Posted by 00dyb58 View Post
I'm reading up the on JB4 right now haha. Install looks super simple. Trying to find a reason not to do it
Install is very easy. Hell. If I can do it, anyone can. You'll have to check the B58 engine to see if the wastegate plug has a heat shield around it. If so, you'll have to remove that (which I guess isn't too hard). That's probably the only difficult part.

And yes. That JB4 in the classifieds section looks very VFM right now.
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      02-22-2022, 06:03 AM   #9
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I reached out to him. Thanks guys
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