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12-05-2019, 08:10 PM | #1 |
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ISO help recoding ECU vin
I recently got a 135i. Went to pass DEQ/Emissions and the VIN on the car is matched up to a 335i... I'm looking for info on how I can reset the VIN on the ECU to match the cars vin. My brother has a mechanic shop and some great equipment. He's got a scantool that can program electronics etc on the screen. Would that tool be able to reset the VIN? There's a shop around me that said they can do it, however they'd charge me $700(seems steep).
If I do reset the vin on the ECU will I need to recode any other electronics? Will the old key fob still work? I'm hoping that although the ECU is from a 335i, the vin can be written into a 135i since it is technically the same engine/trans. Appreciate any info as I'll be messing with it tomorrow. |
12-05-2019, 08:42 PM | #2 |
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Since the car I have must have a different CAS and key fob, would me changing the VIN on the ECU/DME still work and synchronize with the CAS and FOB? Or would me simply changing the VIN on the ECU/DME require me to also change the CAS VIN, and reprogram the FOB?
Sort of a headache and I understand a lot of people don't have to go through this but figured there may be a few people on this board who have experience in this field. I'm willing to get a DCAN/tact cable for BMW and winkFP. I'm just unsure if I recode the DME vin if it the car will start and run. |
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12-06-2019, 01:07 PM | #3 |
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You should try cross posting this over on the e90 forum as well. They have a specific coding section and most likely a higher number of active users over there.
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12-06-2019, 03:37 PM | #4 |
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Having read the several threads you've made about this jalopy you would probably have the best luck returning the car since you bought someone else's headache.
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12-06-2019, 06:59 PM | #5 | |
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Quote:
All the other main issues are fixed, engine and trans are solid. Once the DME is recoded to match the VIN I just need to find a new/used amp and put $700 into some bodywork/PDR. With the price I got it for, and my dire love hate relationship with euro cars, I'm thinking of keeping this as a DD for some time, and maybe even turning it into a hill climb/event car. I had a 730WHP Evo IX that was a really fun time attack car. I had the car for 8 years and did everything I could with it, so I'm ready to move into another platform. I've been talking to a local shop near me about swapping an S85 into the 135i, if I go that route the entire car would be getting gutted and a standalone ECU installed. |
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