Please check fitment notes & description for accurate information.BMW 330Ci Base 3.0L 2001-2003BMW 330i Base 3.0L 2001-2003BMW 330xi Base 3.0L 2001-2005BMW 530i Base 3.0L 2001-2003BMW X5 3.0i 3.0L 2001-2006BMW Z3 3.0i 3.0L 2001-2002BMW Z3 Coupe 3.0L 2001-2002BMW Z3 Roadster 3.0L 2001-2002 Oxygen Sensor's Location: How do I know the O2 sensor is good or not? Check engine light on A reduction in fuel economy. Your catalytic converter fails unexpectedly Exhaust emissions reach undesirable levels. .
