Hello, searched for a bit, and haven't found a good place to find information for various retrofits, so here I go. This may or may not be applicable to your model or year, but it's specifically for the R56 right now.

Description: Parking Distance Control (PDC) Retrofit. AKA: Backup Sensor
Dealership Labor:

• MINI of San Diego, 4 Man Hours

Required Parts:

• 66-20-0-415-488 - PDC Install Kit
• 66-20-9-252-640 - PDC Control Unit
• 51-12-2-752-541 - Center Spoiler (Builds prior to 08/2010)
• 51-12-7-260-582 - Center Spoiler (Builds after 08/2010)

Description: Rearview Mirror, Autodimming
Dealership Labor:

• MINI of San Diego, 1 Man Hour - Rationale for extra half hour is programming required

Required Parts:

• 61-12-0-416-436 - Retrofit wiring, int. mirrror EC and GTO
• 51-16-9-219-374 - Rearview mirror EC / GTO / remote (other mirrors may work)

Description: Theft Alarm
Dealership Labor:

• MINI of San Diego, 6 Man Hours - This was for a 2010 MCs, dealership said other years would be less (can't remember if they said older years or newer years).

Required Parts:

• 65-12-0-443-179 - Theft Alarm Retrofit Kit