PDA

View Full Version : eprom bmw e34 525tds



alcorte
21st February, 2019, 11:18 AM
Hello friends.
I have an e34 525tds, the ecu that it has is 0281001163 and the chip it has is 2287358648.


I do not have uv eraser. Then I want to buy a blank eprom.


And I'll write it with mini pro.


The reading that it has is 32kb, with mipro, and it is from texas instrument the eprom, I upload it.


The problem that I do not know what erprom to buy, I've seen these
https://www.ebay.es/itm/10PCS-EPROM-IC-TI-CDIP-28-TMS87C257-20JL-TMS87C257/163270447543?hash=item2603ad51b7:g:R68AAOSwD89bpMb 4:rk:4:pf:0


u are:
https://www.ebay.es/itm/10-pcs-TI-87C257-TMS87C257-UV-EPROM-256K-DIP28-USA-SELLER/271257177117?hash=item3f28300c1d:g:oxoAAMXQxU5SCVD P:rk:45:pf: 0


but I do not know exactly. Can someone tell me what to buy eprom, thank you very much.

alcorte
21st February, 2019, 09:52 PM
Some one, please, I dont know than eprom buy

Rostik325i
21st February, 2019, 11:23 PM
Thay are the same
87C257 eeprom

mexanico1971
22nd February, 2019, 01:04 AM
Hello friends.
I have an e34 525tds, the ecu that it has is 0281001163 and the chip it has is 2287358648.


I do not have uv eraser. Then I want to buy a blank eprom.






And I'll write it with mini pro.


The reading that it has is 32kb, with mipro, and it is from texas instrument the eprom, I upload it.


The problem that I do not know what erprom to buy, I've seen these
https://www.ebay.es/itm/10PCS-EPROM-IC-TI-CDIP-28-TMS87C257-20JL-TMS87C257/163270447543?hash=item2603ad51b7:g:R68AAOSwD89bpMb 4:rk:4:pf:0


u are:
https://www.ebay.es/itm/10-pcs-TI-87C257-TMS87C257-UV-EPROM-256K-DIP28-USA-SELLER/271257177117?hash=item3f28300c1d:g:oxoAAMXQxU5SCVD P:rk:45:pf: 0


but I do not know exactly. Can someone tell me what to buy eprom, thank you very much.



any all that is good

Best regards