And all 50+ BMW authorized body shops can work on BMW's aluminum-bodied cars? Only a modest % of BMW's cars are aluminum-bodied.
A little googling shows sentences like "Any body shop you are considering to repair your BMW 5 and 6 series, should be specifically equipped to perform special aluminum welding." and "As part of our CERTIFICATIONS by various manufacturers, we are required to purchase state of the art tools specifically for aluminum repair."
A little googling shows sentences like "Any body shop you are considering to repair your BMW 5 and 6 series, should be specifically equipped to perform special aluminum welding." and "As part of our CERTIFICATIONS by various manufacturers, we are required to purchase state of the art tools specifically for aluminum repair."