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Juan Crespo
Juan Crespo, Tech Trainer
Category: BMW
Satisfied Customers: 1526
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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Repair palm coast florida, I have 1997 bmw 328i no crank ,by

Customer Question

Customer: My name is***** repair palm coast florida, I have 1997 bmw 328i no crank ,by pas starter and crank over, chek fuzes , one was broken #31 , stil no start, I have power from ignition switch ( black yellow), starter immobilization switch blu wire 3.5 volt, brown ( - ) jump wire no help, put new ignition switch, no good, ( manual trans). Put scanner code 18 EWS signal defective, power on fuse box , ignition switch 11.4 volt, customer got only one key,. On ignion switch small brown wire all the time, and blu/white, has Ground signal
JA: Thanks. Can you give me any more details about your issue?
Customer: No crankfuzes ok, new ignition switch, jumpmwire on startetimmobilization switch ( manual trans 0) no good, scanner show coke !8 EWS signal defective, jup stater turn over, on ignion switch brown wire and blu white ( - ) all the time on all position
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Customer: Yes
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Submitted: 1 year ago.
Category: BMW
Expert:  Juan Crespo replied 1 year ago.

Hey Kaz. Welcome to our site!

The original key communicates with the EWS through an antenna ring around the tumbler. When you replaced the switch, did you transfer that ring?