Bosch.
This plug is 1 heat range cooler than the FR6KPP332S (9188).
These plugs can be used interchangeably with NGK PFR8S8EG (9188B) on the following vehicles with build dates up to 10.01.2011:
11+ A6Q 3.0T (CCAA)
11+ Q7 3.0T (CJWC)
11+ S4 3.0T (CCBA)
11+ S5 Cabrio 3.0T (CCBA)
For these vehicles, with build dates after 10.01.2011, 9188B must be used.