05-26-2022, 06:23 PM | #23 |
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Emptied tank. Got some shell 93 and reflashed to stock then back to stg2 93 octane. Going to take some fresh logs and post them on here
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05-27-2022, 11:38 PM | #24 | ||
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93 Shell reflashed
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https://www.bootmod3.net/log?id=6291...0b434491aa3cc4 https://www.bootmod3.net/log?id=6291...90c64ddba19754 https://www.bootmod3.net/log?id=6291...90c65111bcc526 |
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05-28-2022, 10:37 AM | #25 | |
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I’d also try a few pulls when ambient is 15F+ higher just to see how the logs look with high IATs. |
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05-28-2022, 10:40 AM | #26 | ||
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05-28-2022, 10:44 AM | #27 | |
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If you ever try the E30 or Racegas maps, those have higher boost targets to double confirm a leak or not. |
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05-28-2022, 08:15 PM | #28 |
Luxury at the redline :)
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You're trying to get blood from a stone, the N55 motor and turbo in the M2 is already tapped out. By tuning it, you're basically just moving the power band from higher up to lower down, not actually adding much more power because it's already skirting its limits.
Here's Dinan's take on N55 in the M2: . |
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05-28-2022, 09:16 PM | #29 | |
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05-28-2022, 10:08 PM | #30 | |
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BM3 Stg 2 93 on the stock turbo makes more power to redline than Dinan Stg 4 with the Dinan “big turbo”. But thanks for chiming in without looking at logs and actually using any brainpower (if you have any) to help. |
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05-29-2022, 12:12 AM | #31 | |
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Fax Also, their intercooler sucks too. |
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05-29-2022, 04:08 AM | #32 | ||
Luxury at the redline :)
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Even BMW stated that the N55 is skirting the edge of its limits. It wasn't even built as an M motor, just a standard engine juiced close to its margins but no one is a better tuner than a disillusioned customer, so you keep salivating at those BS logs and keep pushing the motor even further, if it helps you sleep better at night - until the motor blows up and you have to push your car home. BTW, I owned two different cars with that motor, so I know it like the back of my hand, just calling it like I see it. |
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05-29-2022, 05:56 AM | #33 |
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Gents, plenty of us running 475-530+ whp with zero issues. And, it drives and sounds a hell of a lot better than the S55 (if you can even find one that you can flash).
Again, OP’s issue was crap gas, but you didn’t take the time to review and help. Just espouse some old tuner language from years ago. |
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05-29-2022, 08:53 PM | #34 | |
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Also, quit being a dick to people for no reason. Nobody is impressed by a keyboard warrior. |
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05-31-2022, 12:10 PM | #35 | |
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05-31-2022, 12:44 PM | #36 | |
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05-31-2022, 07:52 PM | #37 | ||
Luxury at the redline :)
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Out the gate, the N55 in the M2 is pretty much tapped out in headroom for any more power. You literally feel the engine running out of steam as it approaches the redline. You can flash tune it removing all the safety parameters built in and maybe peak 450hp for a brief moment of log bragging but it's not too smart because it pushes the turbo well outside its efficiency range for minimal performance gains and the turbo and fuel inherent limitations won't be able to maintain that power for any longer without running lean.. https://www.bimmerpost.com/forums/sh...php?p=26283510 http://mywikimotors.com/n55b30/ Last edited by Poochie; 05-31-2022 at 08:01 PM.. |
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06-01-2022, 05:04 AM | #38 |
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08-23-2022, 04:27 PM | #39 |
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OP did you ever resolve this issue?
Plenty of guys running stage 2 (430 ish bhp and 500 lbs/ft) they say the car is another level and so much more fun. Something was defo wrong.
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08-23-2022, 05:51 PM | #40 |
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Yessir. Drained tank to near empty refilled with 93 shell and it has been steady since. I was running 93 chevron before, think it was just bad fuel
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08-23-2022, 07:08 PM | #41 |
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So... How is stage 2?
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