Having problems with your 1996 BMW 328i ?
Diagnostic trouble codes: P0430: catalyst system efficiency below threshold bank 2.
It means the catalytic 02 sensor which is the catalytic monitor has activity, Catalytic due wear out due to age,Before you install a catalytic make sure the engine is in sound running conition
Repair Help & Product Troubleshooting for 1996 BMW 328i
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