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Old Fri, Dec-19-2014, 04:24:15 AM   #1
paffy
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Default erasing MSS54HP

After countless hours of reverse engineering the MSS5x, I've finally found a way to virginize a locked up DME through OBD interface !!

I'll be putting together a complete flashing software package that will allow a full virginization of the DME, unlimited flashing, fast data flashing (35 seconds for MSS54HP) and program space flashing.

I would like to gauge an interest here in order to determine how many extra features I should work on and to set a price point.
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Old Fri, Dec-19-2014, 05:24:10 AM   #2
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Default Re: erasing MSS54HP

Damn no MSS54 Non HP love?


Really Impressive work tho!!!

I just bought a BDM :p
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Old Fri, Dec-19-2014, 08:33:32 AM   #3
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Default Re: erasing MSS54HP

Interested of course! So it will have a price? MSS54 and MSS52 support wanted also
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Old Fri, Dec-19-2014, 09:13:35 AM   #4
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Default Re: erasing MSS54HP

This is awesome! Great work my friend.
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Old Fri, Dec-19-2014, 09:15:24 AM   #5
terraphantm
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Default Re: erasing MSS54HP

Can it erase and write the boot sector? And can you erase the flash counter without virginizing the dme? (if I wanted to keep my adaptions and AIF for example)
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Old Fri, Dec-19-2014, 10:41:08 AM   #6
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Default Re: erasing MSS54HP

Depending on a few things I may be interested...

Can you expand on locked DME...Locked as in tune or counter?

If you can do the following:

1. Clear counter via OBD
2. flash both chips via OBD (same as bdm)

I would definitely be interested in that at around $90-100.

Last edited by m3new; Fri, Dec-19-2014 at 11:38:19 AM.
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Old Fri, Dec-19-2014, 01:36:59 PM   #7
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Default Re: erasing MSS54HP

Currently, I can wipe out the whole $4000 - $8000 area in addition to $10000 program space. So ZIF,AIF,EWS sync, adaptations etc. are all gone. But I think there'll a way to flash it back from a backup. I've only worked on MSS54HP for now, but I'm sure MSS50,MSS52,MSS54 will work as well.

I don't see a boot sector rewriting happening. However, flashing CSL software into regular HP is possible.
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Old Fri, Dec-19-2014, 03:38:41 PM   #8
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Default Re: erasing MSS54HP

Cool,

Can you give us a break down of all the options of what we can do with this?
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Old Sat, Dec-20-2014, 04:18:33 AM   #9
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Default Re: erasing MSS54HP

Quote:
Originally Posted by m3new View Post
Cool,

Can you give us a break down of all the options of what we can do with this?
Flash DATA 15 times. 35 seconds for 64kb data file.

When you run out of "slots", run a wipe-out routine and that gives you another 15 data flashes. Rinse, repeat.

Flash Program - takes approx. 5 minutes. You can flash ANYTHING into the program area. That's why I've also created and tested following recovery procedure:

Flash a complete garbage into program area, causing the CPUs to reset non-stop. No OBD/DS2 communication is possible.

Short two pins on the ECU to force both CPUs into boot mode. My tool can then re-flash the program area (in 5 minutes)!
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Old Sat, Dec-20-2014, 05:43:55 PM   #10
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Default Re: erasing MSS54HP

What are the pins for boot mode?
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Discussing erasing MSS54HP in the Coding and Tuning Forum - Discuss all avenues of coding and tuning here! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)