04-25-2021, 04:33 PM | #1 |
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Tuning for 2021 M550
Does anyone know when we will be able to tune the 2021 m550ix ? I got this car expecting to do a catless down pipe and a tune. Had I know the tune wouldnt be available I would have ponyed up the money for a real M .
Im thinking about putting my car on swapalease and putting in an order for a 2022 M. Any info out there about a tune? Thanks, jim maguire |
04-25-2021, 05:14 PM | #2 | |
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05-03-2021, 12:14 AM | #4 |
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05-03-2021, 12:17 AM | #5 | |
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Now as for piggy back devices, your options are JB4 and racechip. I personally think JB4 is far more superior, do your own research on the differences. Below is my personal record on JB4 for 100-200kmh run on dragy. |
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05-03-2021, 04:44 AM | #6 |
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Check out CarBahn, Steve Dinan’s new shop. He sold Dinan 5-6 years back to a private equity shop. From what I read online, he started CarBahn after his non compete was up. I got the tune on my 2020 M550i (purchased car in 5/20, got tune installed 8/20). It completely transformed the car. An absolute rocket!! I took an M5 Competition (from 30-130 by several car lengths) and have overtaken many others. Have yet to lose ;~) Have dragy recorded 0-60 of 3.15 seconds (with a good bit of wheel spin). Just got the dragy a few days ago so I need to play with a a little more. First and only 1/4 run was an 11.05 @ 129.58MPH. And there was plenty of meet still on the bone… I could not get launch control to work properly on this launch, my 0-60 was 3.4 seconds. So I have to imagine if I could get the 3.15, or better with a proper lunch with minimal wheel spin, I would be in the high 10’s 👍. Happy to share any information if you have questions, I have dragy screen shots to support claims.
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05-03-2021, 04:47 AM | #7 |
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One more thing... ask for Chris MacNaughton, he’s who I dealt with. When I purchased my tune last year, they did not have it listed on their website yet for the 2020. While your 2021 is the LCI, the engine is the same as the 2020. Also worth mentioning, the tune has a warranty that mirrors the BMW factory warranty.
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05-03-2021, 06:32 AM | #8 | |
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Now as for your "overtaking M5 by several cars" i find that hard to believe unless M5 driver was sleeping. Fastest M550 (2020-2021) for 100-200kmh on dragy is 6.59s which is still in M5 stock territory, not to mention it was by set by someone using BM3 tune. Post your 100-200kmh run or 60-130Mph, lets see those magical numbers you're talking about. |
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05-03-2021, 12:48 PM | #9 | ||||
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Carbahn's #'s were right at ~700HP/TQ. Not sure of M5C RWHP, maybe this is slightly more? It's certainly quite a bit more torque than a stock M5/M5C. Attached is a 0-60 of 3.15 and 1 foot rollout 2.9 with an 8%+ slope. This was a bad launch with considerable wheel spin. Also attached is a 1/4 mile run. Only one I got. Says invalid, maybe because of -2% slope. However, it was flat where I started with a slight slope in the middle which was more than offset by a much greater slope for last leg of 1/4. And, even more telling, launch control wasn't working on this 1/4 run, which also had a lot of wheel spin. And the trap speed was right at 130MPH . The 0-60 on this run was 3.49. So .34 seconds slower than the aforementioned 3.15 0-60, with a lot of slip and no LC. I used another platform a few weeks back and clocked a 2.7 0-60 and 10.7 1/4. Not sure how accurate/reliable that platform was though. Thus the reason for purchasing the dragy... So, entirely plausible that I walked an M5C. He was surprised too! I will post another 1/4 mile run when I do the next one. In the meantime, was just sharing for purposes of this thread/conversation. Impressive gains with the tune on the newer engine. |
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05-03-2021, 01:55 PM | #10 | |||||
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05-03-2021, 03:16 PM | #11 | ||||||
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05-10-2021, 02:22 PM | #12 | |
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2018 M550ix|Carbon Black|Dinan Modifications|2003 540i|Jet Black|M-Sport|2021 X5 Mineral White
Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi| |
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05-16-2021, 04:53 PM | #13 |
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I would be happy with an M550i that runs 100-200 in high 6's. That means its as real world fast as an M5 Comp for a lot less money. I'm hoping I can get there with a Jb4 map2, 94 octane and some minor intake & exhaust changes.
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05-17-2021, 08:51 AM | #14 |
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You cannot flash tune it unless you bench flash the ECU, get the Jb4 or Race chip instead
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06-24-2021, 11:14 AM | #15 |
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06-29-2021, 08:24 AM | #17 |
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Hi,
What about warranty? If you make jb4 for example or anything else does the car send any data to bmw? I want to make any tune but im scared to loose warranty. I got price today from schnizer for 620hp box but it costs 10 000 usd here in Poland... they give their own warranty but you loose bmw warranty on mechanical parts. Is there any way to make tune and dont let bmw know about it? |
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06-29-2021, 08:59 AM | #18 | |
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Unless you are asking the dealership to do a free engine, transmission or turbo repair, they don't care anyways.
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06-29-2021, 09:30 AM | #19 | |
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06-29-2021, 01:50 PM | #20 |
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The info sent is mostly the mileage and service update. I have not seen any complaints about BMW finding out of a tune remotely.
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06-20-2022, 05:17 AM | #21 |
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06-20-2022, 09:24 AM | #22 |
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Looking at my own dragy data for 100-200kmph (62-124mph), looks like map one Jb4 is good for 6.7s.
I've not done a dedicated 60-130 as all my stats come from 1/4 mile. The terminal of which is around 128mph. Just looking at the F90 leaderboard on dragy for 100-200kmph the M5's without mods tend to cluster around low 7s high 6s. A scatter chart would have most of the hits around those numbers. There are always outliers with freaky low DA and owners who bullshit (tank full of Ethanol) claiming bone stock on pump etc |
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