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Let me play the role of devil's advocate, you chose to assume the risk of using an independent coder for a less expensive price than BMW. Was there no communication about the possibility of modules being bricked and you being responsible if that happened? Did you assume that the coder would pay if there was an issue?
Its a well known fact that modules can get bricked, even when BMW does the coding. The FRM3 module warranty extension was due to his exact type of behaviour, but how many people paid out of pocket before BMW chose to acknowledge the problem. I am not saying that you getting reimbursed is not the right thing, I am asking did you just assume that would happen? |
No mention of "Brick" potential. "Simple process where I read the CAS and then code a key and enter it into the module. After that I cut the key on my laser cutter. Does not take long at all." That is the best of what I remember.
After it happened: "Don't worry this is on me." followed by "Do not understand what happened. This should not have happened. It's on me." If we assumed anything it was that the "expert" would most likely disappear into the night and we would have to eat his mistake. We assumed that from the moment he left to go program keys for somebody else. Then we got right on to dealing with it and arranging to get the vehicle to BMW to get it fixed. |
Reading modules doesn't brick them. Writing to modules with wrong code, low voltage or interrupting writing, bricks them. BMW says 13v minimum for coding/programming. Ignition on, DRL's lit and fan running can put system voltage in low 12's, very risky for coding/programming.
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pshovest:
Any or all of the above could have been part of the conditions present at the time of "Bricking". |
As I recall, BMW procedures call for use of a battery charger to be attached to car when coding, no?
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You are correct. Most BMW coding I have experienced ran for many hours. I guess, as the usual run of key coding lasted only minutes, hubris and or ignorance of voltage requirements prompted the elimination of this safety factor.
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I am thinking at some point a module here or there switched on or something happened to allow the voltage to drop- not really 'running out of power' per se, but enough to corrupt whatever was being done at that moment. Bummer
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BMP.
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