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The DEI 555B EWS II immobilizer interface module (bypass module) is used when installing a remote starter in 1995 and newer BMW models equipped with the EWS II immobilizer system. This type of system uses a small chip imbedded in the ignition key, called a transponder, to transmit a very low powered RF signal. This signal is detected through an antenna (or coil) around the ignition switch, which is then sent to the immobilizer's transceiver. Once the correct signal is received, the immobilizer will enable the ignition and fuel systems.

• Directed 555B BMW Remote Start Interface
• The DEI 555B EWS II immobilizer interface module (bypass module)
• Directed 555B BMW Immobilizer Anti-Theft Bypass

Directed 555B BMW Remote Start Interface