02-22-2022, 01:52 AM | #23 |
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Nice write-up! Seems like an option if warranty is of concern.
On times, I think this more of a moderate tune. With your temp/DA this is close to stock comp times. To give you an idea, my has panel filters, sport cats and xhp and: 100-200 Fully stock: 7.8s (53F / 218m DA) - best i got was 7.44s - so quite slow DP removal, stock tune: 7.1-2s (46f / 158m DA) Stage 2 BM3 OTS tune: 6.3s (43f / 126m DA) ABP Stage 2 BM3 tune: 5.6-5.8s (48f / 158m DA) best I got was 5.55s ABP Stage 2 E40 BM3 tune (still dialing in). 5.1-5.3s (46f / -10m DA) best I got was 5.05s I've seen jump mapped cars (no mods) do low 6s so there is deffo more in it, but for that you'd need a custom map. |
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07-16-2022, 10:23 PM | #24 |
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Does anyone know can you get the Carbahn Stage 1 tune on a 2022 M5 Comp?
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07-16-2022, 10:47 PM | #25 |
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Why waste the money for a stage 1? You certainly don't need a warranty for as little power as they push for $3000 lmao
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07-17-2022, 07:35 AM | #26 |
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Not everyone is trying to get as much power as possible. Most people are happy with another 10% and having a warranty versus 20% and no warranty.
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07-18-2022, 01:13 AM | #27 |
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Yes, I think Stage 2 may be overkill. A little increase is all I need. So, can the Carbahn Stage 1 be put on a 2022 Comp?
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07-18-2022, 11:18 AM | #28 |
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Have had Carbahn stage 1 for 5 months, along with Dinan turbo inlets and filters. Very happy with the power increase and overall performance. I run mile races and found that the car adjusted with increased octane, which was about 99 after Boostane was used. In five sequential half mile runs, the speed increased by 2mph each time as the tune adjusted. My understanding is that full throttle runs are required for the adjustments. Questions about any of this are easily answered by Chris at Carbahn, who has been very helpful and responsive. When we started running miles, it was into a 20mph headwind and I still managed 183. Would likely been 190 without the wind. I will definitely use Carbahn on my next M. Always enjoy reading about folks running their cars. Keep racing!
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07-20-2022, 05:14 PM | #29 |
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Question about Carbahn's tune.
I have the stage 1 and been playing with different octanes as the tune will adjust to it. (93, 95, and 102). They told me I have to do 3 pretty aggressive pulls to redline to get the tune to adapt to the octane. Does anyone know if you have to do this every time the car is started? For example, you just finished racing in Mexico with 102 octane after several roll races. Then the next morning you get up and need to fill up and put 93 octane in it. I assume the tune starts at 91 octane each and every time it gets started for safeguard reasons. Anyone know for certain how this tune works? |
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07-20-2022, 10:29 PM | #30 | |
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07-21-2022, 07:18 AM | #31 |
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The ECU uses the 02 feedback and knock sensor feedback to adjust itself and remembers, but will relearn and readjust. Just takes some driving. If you normally drive with 91 and fill up with 100, the ECU still thinks the fuel is 91. Since it is adaptive, it is regularly testing and adjusting, but needs some consistency before changing the adaptation values.
With a tune or advanced scan tool you can reset adaption values to start fresh. Some tuners do this to artificially inflate dyno numbers. When I reset, such as after a tune change or new mod, I often notice the engine running a little differently immediately like a rougher or higher idle. But it seems to adapt really quickly and smooths right out and whatever is happening after that is more subtle but could be making minute changes to improve performance. I could just let the ECU adapt over some driving instead and it would. |
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08-24-2022, 02:37 PM | #32 |
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I live in Cali and most gas stations only have 91 octane, how would this affect the performance on a Carbahn Stage 1 tune? Thx.
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08-24-2022, 06:27 PM | #33 |
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08-24-2022, 09:02 PM | #34 | |
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Flash Stage 1 is $1000. It's a nice improvement. Add $1000 with warranty. Flash Stage 2 is pretty invasive... addl heat exchangers map sensors and some nip and tucks under hood. All in $5000ish installed Last edited by RobRed; 08-28-2022 at 11:33 AM.. Reason: Added flash in descriptions since some options are controller based |
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08-24-2022, 09:05 PM | #35 |
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Car runs good on 91 in California. software seems well adapted. Obviously 104 race gas will improve life (There are stations that sell it).
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08-25-2022, 03:41 AM | #36 | |
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Some modification required to the plastic surrounds. |
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08-26-2022, 09:05 AM | #37 | |
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CarBahn Stage 1 piggyback is literally a RaceChip with less aggressive tune. And I've been selling this a lot to BMW community. Also have it on all my cars that RaceChip supported.
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08-27-2022, 06:35 AM | #38 | |
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Separate question: When I get my 2023 M5C and give you my RC from my X5M50i to reprogram, do you get me a customized map different than what comes from standard model purchase? |
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08-27-2022, 07:15 AM | #39 | ||
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But, will you believe someone's word that been publicly bashing out piggyback tunes more than once, and now actually sells it? And under 2 different brand too. I know that someone from those company will attack me again by creating a rogue account. Unfortunately, no custom tune available to the public.
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09-15-2022, 04:30 PM | #40 |
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I ran my car with only JB4 on map 2 and ran a 10.3@134 best on a very hot day at Famoso Raceway in Cali. Map 2 and 1 below.
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10-12-2022, 02:34 PM | #41 |
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Just to add my experience for anyone thinking about going down this route.
I’ve a 21 LCI, I’ve never kept a car stock (wife is unaware of this fact) and was glad when this option finally became available. Initially, I was somewhat disappointed. Undoubtedly the car felt smoother and a nicer drive but that wasn’t the ultimate goal. Not sure what I was really expecting, the 0-60 may be a fraction faster but nothing that I could sense. The real difference became apparent whilst on the move. Around 5k RPM there is a bit of a further shove along. I wouldn’t say it’s quite the VTEC kick of my gone but not forgotten s2000 (regretted selling that car from the moment it pulled away!) but it’s fun! I did decide to go with the added warranty option, it seems churlish to spurn protection for a small extra cost. |
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10-13-2022, 01:15 AM | #42 | |
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Sorry to hear that it didn't meet your expectations. What stage did you get? |
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10-13-2022, 07:37 AM | #43 |
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If it was 2021, does Carbahn do a flash or was this the racechip piggyback it sells that may be limited to stage 1 91 octane in order to have a warranty the buyer cannot abuse by not running sufficient octane? In other words, the lowest performance tune possible?
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10-18-2022, 10:00 AM | #44 | |
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