Aftermarket Key Fob

A non-genuine remote key. It has to be the right key type for the car's Car Access System and carry a new, unlocked transponder — a used key is normally still cryptographically locked to the car it came from, and a new shell or blade does not change that.

Documented repairs

MINI Cooper Key Programming: CAS3 Key Add on a 2012 Cooper S

2012 MINI Cooper S (R56, N18 1.6L Turbo)

Programming two customer-supplied fobs to a 2012 MINI Cooper S — reading the CAS3/3+ immobiliser data, picking free key slots and personalising each transponder.

Read the diagnosis →

Engines

• N18 1.6L Turbo

Models

• R56 MINI Cooper S

Repairs by System

• Electrical
• Immobiliser
• Programming

Symptoms

• Unprogrammed Key Fob

Procedures

• CAS Data Read
• CAS Data Write-Back
• CAS Slot Assignment
• Immobiliser Status Scan
• Key Programming
• Transponder Programming