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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Flash tune and datalogging questions

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      04-23-2022, 02:05 PM   #1
abdiel
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Flash tune and datalogging questions

1. Is there a way to confirm if the DME needs to be bench unlocked prior to purchasing a flash tune like BM3 or MHD?
2. MHD offers a logging only option. Does BM3 have this option as well?
3. I currently have the old Dinantronics piggyback. What would be a good datalogging solution for that?

Thanks in advance.
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      04-24-2022, 11:38 AM   #2
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1- connect the car to your bm3, get the ECU version and PTF can tell you if your car can be flashed by bm3

2- bm3 comes in one package, you cant just buy the data logging part

3- Not sure
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      04-29-2022, 04:30 PM   #3
abdiel
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Got an ENET cable and lightning adapter today. Both the MHD and BM3 apps can check the DME lock status. This was with just the free apps without any license purchase.
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      05-04-2022, 08:39 PM   #4
abdiel
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Running MHD Stage 2+ with xHP Stage 2 for the past week. It's a significant improvement over my previous Dinantronics Stage 2 piggyback.

That being said, I've been looking at some logs from the autologger and there seems to be some concerning items. If anyone has time to check it out and provide feedback, I would greatly appreciate it.

https://datazap.me/u/chumonger/log-1...-14&zoom=16-92

Actual boost is 2psi off target. WGDC is in mid to high 80s. STFT starts going negative at 5500RPM up to -10%.

I'm guessing boost leak?

Last edited by abdiel; 05-19-2022 at 11:08 AM.. Reason: new info
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