Key for older generation BMW models equipped with EWS or CAS can be prepared by dump.
EWS or CAS unit is read with a programmer and the saved file can be uploaded into the Tag Key Tool (TagKey tool > Key Tool > Vehicle models drop down menu).
Here are the options we have for key learning by dump:
- BMW ALL BIKES. ECU Bosch M58BW0160. PCF7936
- BMW EWS1. PCF7935
- BMW EWS2. PCF7935
- BMW EWS3. 68HC911EA9. PCF7935 or EML
- BMW EWS4. PCF7935 or EML
- BMW CAS1. PCF7936 or remote key.
- BMW CAS2. PCF7936 or remote key.
- BMW CAS3. PCF7936 or remote key.
- BMW CAS4 Series 1 F20 (2011-). PCF7939 or remote key.
- BMW CAS4 Series 5 F10/F11 (2010-). PCF7939 or remote key.
- BMW CAS4 Series 5 GT F07 (2010-). PCF7939 or remote key.
- BMW CAS4 Series 6 F12/F13 (2011-). PCF7939 or remote key.
- BMW CAS4 Series 7 F0x (2008-). PCF7939 or remote key.
- BMW CAS4 Series X1 (2010-). PCF7939 or remote key.
- BMW CAS4 Series X3 F25 (2011-). PCF7939 or remote key.
- BMW CAS4 with XEP100 MCU (5M48H mask). PCF7939 or remote key.
Further information in the User Manual for Tag Key Tool, p. 32
Important notes
- For key programming over OBDII instead, see 9 Key Programming.