Like most things, the Germans have a word for this: Elefantenrennen aka "elephant racing!"

https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.collinsdictionary.com%2Fus%2Fdictionary%2Fgerman-english%2Felefantenrennen

Gouging is the dealer charging $500 to code and install a new battery, or $1000/axle to have the brakes done. The people complaining about this don't have BMWs.