This NGK spark plug is good alternative spark plug for highly tuned turbo cars. These run at a cooler temperature giving better results for highly tuned Turbo 9000s, NG900's, 9-3's and 9-5's with Trionic 5 and 7 management.
NGK Saab Single Spark Plug - BCR8ES,
Saab 9000 - 1988 - 1998 - All 4 cylinder Turbo models only
Saab NG900 - 1994 - 1998 - All 4 cylinder Turbo models only
Saab 9-3 - 1998 - 1999 - All 4 Cylinder Petrol Turbo models only (with Red Direct Ignition)
Saab 9-5 - 1988 - 2009 - All 4 Cylinder Petrol Turbo models only