I have a Euro S50b32 engine computer with EWS and key with ignition tumbler from a euro 98 M3. They were in my car working perfectly. I bought them earlier this year from a guy in Cyprus. This is everything you need. They are even pre-wired with new fuses. Some people have problems with the starter continuing to run when they first try to start it. That doesn't happen if you wire it correctly. I'll include a diagram. $500 OBO.
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