Racing EWS antenna instead of EWS ring antenna at the ignition lock for sending the key code to the ECU. With plug for OEM harness of BMW S 1000 RR from 2009 to actual models.
If you want to replace the igntion lock, you need also a racing ignition switch (please order separately).
BMW S 1000 RR 2009 - 2014
BMW S 1000 RR HP4