06-20-2020, 11:33 AM | #1 |
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Going from JB1 to BM3, what to expect?
Featured on BIMMERPOST.com What should I expect in terms of driveability? Will I notice the extra (if any) power? Is the torque curve any different? TIA
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06-20-2020, 12:05 PM | #2 | |
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Only thing with the cold start delete was that I had idle issues when I had it. |
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06-22-2020, 09:37 AM | #3 |
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Power delivery should be smoother, please give us your feedback once you get bm3 installed
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06-23-2020, 01:09 AM | #4 |
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Yes I just ordered mine too but been stock for over 2 years so Im hoping to see a difference just with a CS tune or Stage 1
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06-24-2020, 09:03 AM | #5 |
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06-26-2020, 03:39 PM | #6 |
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Ok did the CS tune and wow what a difference. Really woke the car up! Since I had it so long as a daily I really knew the ins and outs of the car. I am so glad I made the change, plus the sound is awesome.
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06-26-2020, 04:44 PM | #7 | |
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I just bought BM3, just waiting on my license.
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06-26-2020, 07:13 PM | #8 | ||
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06-28-2020, 09:09 AM | #9 |
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I ended up flashing the car yesterday. Power wise I can't feel too much difference, it might pull a bit better top end?
Either way, the ability to disable cold start and rev matching in efficient and sport is a big plus. I'll play around with boost reduction in 1st later on, with the new PS4s it seems to hold traction in second now that it's summertime.
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06-29-2020, 09:27 AM | #10 | |
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06-29-2020, 09:40 AM | #11 |
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I mean it is smooth but I can't feel THAT much difference over BM1. That piggyback worked pretty good for me.
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06-29-2020, 08:41 PM | #12 |
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06-29-2020, 10:31 PM | #13 |
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The Stage1 and JB4 are pretty solid performers so not surprising but if not concerned with warranty once flashed you can do the exhaust burble at least which is a lot of fun.
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06-29-2020, 11:59 PM | #14 |
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For some, popcorn tune is not for me
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S55, 2JZ, M48.00 Last edited by Kilabyte; 06-30-2020 at 12:11 AM.. |
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06-30-2020, 08:29 AM | #15 |
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Kilabyte I would offer to do some pulls since I just installed BMS Stage 1 and BMC filters, but it won't be as useful as I have a convertible. I was considering letting Turner tune my car. I guess they have more options than they advertise. I'm in no hurry to change the BMS since you're not feeling a ton of difference since switching to a tune.
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