BMW CAS3 Remanufactured Exchange Service | Original CAS3 Required | Plug & Play Replacement

At Lacorte Automotive, we provide a professional mail-in CAS3 remanufactured exchange service for BMW vehicles equipped with CAS3 immobilizer systems. This service is ideal for customers dealing with failed CAS modules, intermittent no-start conditions, or key recognition issues and looking for a dependable replacement solution without expensive dealership programming.

You send us your original CAS3 module, and we provide a professionally remanufactured replacement programmed using the data from your original unit for simplified installation.

How the Service Works

1. Purchase this service
2. Ship your original CAS3 module to us
3. We transfer the required immobilizer and vehicle data
4. Your remanufactured CAS3 replacement is prepared and bench tested
5. We ship the replacement module back ready for installation

What You Receive

• Professionally remanufactured CAS3 module
• Data transferred from your original unit
• Bench tested replacement unit
• Simplified plug-and-play installation for supported applications
• Secure handling of immobilizer and vehicle data

Common CAS3 Failure Symptoms

• Vehicle will not crank or start
• Key not recognized
• Ignition not responding
• CAS communication faults
• Water damaged CAS module
• Intermittent starting problems

Important Information

• Your original CAS3 module must be sent in for this service
• Include your VIN and contact information inside the package
• Previously opened or physically damaged modules may require additional inspection
• Turnaround times may vary depending on inventory availability

Supported Vehicles

Compatible with many BMW E-Series and select early F-Series vehicles equipped with CAS3 systems.

If you are unsure about compatibility, contact us before purchasing with your VIN and CAS3 part number.