06-29-2022, 01:19 PM | #1 |
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LCI performance options?
So given that ECU/TCU tuning isn't exactly mainstream yet, what other performance options are available given my mod list below:
I know that I could install catless primaries but don't want to deal with the CEL and if my understanding is correct, you need an ECU tune to take full advantage of this mod. Thoughts? |
06-29-2022, 01:42 PM | #2 |
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I'm pretty sure xHP has a tune for the tranny.
Delete midpipe and exhaust will help with some of that airflow restriction. Could also do hi flo cats and not get a CEL. I mean if you're doing the secondaries might as well do both since you have to access them Both.
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06-30-2022, 02:46 PM | #3 |
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Unfortunately I just checked their support database and they don't have one for the LCI.
https://www.xhpflashtool.com/#support |
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07-01-2022, 05:07 PM | #4 | |
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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07-04-2022, 04:13 PM | #7 |
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Then it's racechip or JB4 or Dinan. Performance wise they're all similar. JB4 has some ability for added functions like control meth kits etc. dinan is the weakest of the bunch.
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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07-05-2022, 12:37 AM | #8 |
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Just wondering whether Racechip + intake + catless secondaries + sportscat primaries will have a meaningful impact on a 2021 LCI Comp. Same mods as the OP basically. Have you dynod? And how does the butt dyno feel?
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07-05-2022, 07:03 AM | #9 |
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RaceChip will add roughly 60rwhp and 60rwtq. The rest might get you another 10
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07-05-2022, 10:15 AM | #10 |
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The 1-2% improvement from drop ins is un-noticable. I found the secondary cat removal allows quicker turbo spool at lower rpm and the sensation of more torque. I couldn't guess what a dyno would measure the improvement as. The upshot is, with a boost controller piggy the turbo is working a bit less hard to make its target PSI if you have minor intake and exhaust mods.
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07-16-2022, 10:49 AM | #11 | |||
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First and foremost guys, sorry for the delayed response. My family and I were on vacation in NYC, then we all got COVID from the trip, and then my wife gave birth to my son on Sunday. Its been quite the month.
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Here are a couple of Dragy runs from when the weather was cooler and the DA was good. Mods at the time of this run were RC (map 7) and charcoal delete w/ BMC airfilters. 0-60: 1/4: 60-130: Quote:
I did have the car dyno'd but take the results with a grain of salt. You can read about it here https://f90.bimmerpost.com/forums/sh....php?t=1918583. After talking with other people and tuners in Austin, I was told that the dyno operator where I had the pulls done doesn't really know how to dyno M5s. Unfortunately its the only AWD dyno in this area that is open for public use. |
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07-18-2022, 11:20 AM | #12 | |
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Quote:
https://www.acschnitzer-us.com/ac-sc...tion-f90/p2054 |
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07-18-2022, 12:09 PM | #13 | ||
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