ecu compatibility

[atomiczen]

I'm searching a source where i can check and compare siemens ecu, for find a list of ecu numbers that can substitute the ecu i have.
i use esitronic for bosch, but i don't know how do with other brand, like siemens and delco
any input?

[atomiczen]

someone know if 5wk9153 can be substitute with 5wk9157? both are simtec71

[radoslawwiklik]

9153 and 9157 its same ecu 100%