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[Kingikes]

New BMW user here. I need to know what the price of a catalytic converter and O2 sensors (all 4) are?
2007 BMW 320i (E90)

 

[Die_Miek]

O2 sensor around R1200 each. Have no idea what catalytic converter cost.

 

[Iceman007]

cheaper option is cat foolers and remove the dead cats. = more power and better fuel economy