Maxfavor 1 Pack Oxygen Sensor Original Equipment Replacement For 2006-2004 BMW X3 3.0L O2 Sensor 234-4683 Add $2399current price $23.99Maxfavor 1 Pack Oxygen Sensor Original Equipment Replacement For 2006-2004 BMW X3 3.0L O2 Sensor 234-4683 Free shipping, arrives in 3+ days Maxfavor ...