01-24-2023, 11:53 AM | #1 |
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Installed the racechips and did a dragy run...
Pretty happy with the results considering how cold the weather is...it's spinning and short shifting from 1st now, so once it warms up i think a 10.2 or 10.3 is achievable with good DA...car feels really strong.
93 octane, setting number 7 on the racechips... dragy video... https://www.youtube.com/shorts/FRfS7aOixX0
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2022 BMW M8 Competition Coupe RC
10.4@132mph 1/4 16.7@160mph 1/2 |
01-24-2023, 12:38 PM | #2 |
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Is this just with the Racechip and no other mods?
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01-24-2023, 12:39 PM | #3 |
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yes, 93 octane too. but i always run 93.
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01-24-2023, 12:42 PM | #4 |
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01-24-2023, 12:50 PM | #6 |
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I only run 7 on mine but am stuck with 91 in Cali---
5 is not remotely as good as 7 IMHO.
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01-24-2023, 12:52 PM | #7 | |
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Thanks for sharing! |
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01-24-2023, 01:05 PM | #8 | |
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I'm on the verge of ordering mine from Ben so just trying to learn how this thing works... |
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01-24-2023, 01:16 PM | #9 | |
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Yeah 7 is more but its fine on 91 and Ive run the RC on 2 different M8's and my M5 along with 2 G80 M3's. If you want to truly mess with fuels like E85 or much higher octanes then Id suggest getting a JB4 Piggy. I personally just like the minimalist gains and pricing; its plug play and walk away.
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01-24-2023, 01:34 PM | #10 | |
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To get what you're hoping for, 60ft would need to be in the high 1.5s and the 0-60 tends to follow suit dropping to mid 2.5s. 1/8th mile around mid-to-high 6s and you'll get there but I've never seen it with an RC alone. My personal best is a 10.33s @133mph in an F90 M5 Comp with JB4; 10.37 in a comparable M8C GC. Last edited by limeypride; 01-24-2023 at 01:41 PM.. |
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01-24-2023, 01:41 PM | #11 | |
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01-24-2023, 01:43 PM | #12 | |
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01-24-2023, 01:44 PM | #13 | |
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As Vic implies, it's not intended to--it's plug'n'play noticeable power bumps but that's it. Wrt/ the 100 octane: the RC simply won't take advantage of it--you'll need more boost and the RC won't make/let that happen. |
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01-24-2023, 01:46 PM | #14 | |
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Ultimately, I blew up the engine in the M8 so there's that. |
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01-24-2023, 01:47 PM | #15 | |
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01-24-2023, 01:49 PM | #16 | |
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Because m8 coupe is lighter then m5 f90 so i think will do much better then grancoupe (big weight differences) Ome thing i do not like about jb4 that is not consistent otherwise it is btter then racechip |
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01-24-2023, 01:50 PM | #17 | |
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You'll find my times on the Dragy leaderboard with ambient conditions to the extent that Dragy tracks them. I hear ya on the ECU tunes I but don't follow that market anymore since I'm happy enough--sucks they haven't cracked it yet. |
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01-24-2023, 01:51 PM | #18 |
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01-24-2023, 01:51 PM | #19 | |
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But don't blame the JB4--blame me (and my naive expectations of the snake oil); I expected too much and pushed wayyyy too far trying to get the M8 where the M5 was. |
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01-24-2023, 01:54 PM | #20 | |
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Most have cost you an arm and a leg to get a new engine Those are expensive I was lokking at manhart piggy back but is close to 3k and i am not sure how much power will give you in real life |
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01-24-2023, 01:55 PM | #21 | |
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I fail to see how any piggy can exceed what the JB4 already does--Terry's been tweaking it for years now with only few improvements/perf gains made for the last couple that I'm aware of. It's probably (but don't take my word for it) the ultimate incarnation of a piggy for the S63TU. It simply can't control enough variables. Last edited by limeypride; 01-24-2023 at 02:01 PM.. |
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01-24-2023, 02:00 PM | #22 | |
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I had jb4 on my m8 non comp vert for a long time and no issues at all I run map2 as a daily with E mix and runs really good I push it every now and then (everyday lol) but not crazy Now i got an m8 coupe comp and i am looking to see what map and fuel should i run |
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